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Re: [Qemu-devel] [PATCH] RISCV: support riscv vector extension 0.7.1


From: Aleksandar Markovic
Subject: Re: [Qemu-devel] [PATCH] RISCV: support riscv vector extension 0.7.1
Date: Wed, 28 Aug 2019 21:20:34 +0200

> On Wed, Aug 28, 2019 at 9:04 AM liuzhiwei <address@hidden> wrote:

> Change-Id: I3cf891bc400713b95f47ecca82b1bf773f3dcb25
> Signed-off-by: liuzhiwei <address@hidden>
> ---
>

Such large patch and "Change-Id: I3cf891bc400713b95f47ecca82b1bf773f3dcb25"
is its entire commit message?? Horrible.

Aleksandar


>  fpu/softfloat.c                         |   119 +
>  include/fpu/softfloat.h                 |     4 +
>  linux-user/riscv/cpu_loop.c             |     8 +-
>  target/riscv/Makefile.objs              |     2 +-
>  target/riscv/cpu.h                      |    30 +
>  target/riscv/cpu_bits.h                 |    15 +
>  target/riscv/cpu_helper.c               |     7 +
>  target/riscv/csr.c                      |    65 +-
>  target/riscv/helper.h                   |   354 +
>  target/riscv/insn32.decode              |   374 +-
>  target/riscv/insn_trans/trans_rvv.inc.c |   484 +
>  target/riscv/translate.c                |     1 +
>  target/riscv/vector_helper.c            | 26563
> ++++++++++++++++++++++++++++++
>  13 files changed, 28017 insertions(+), 9 deletions(-)
>  create mode 100644 target/riscv/insn_trans/trans_rvv.inc.c
>  create mode 100644 target/riscv/vector_helper.c
>
> diff --git a/fpu/softfloat.c b/fpu/softfloat.c
> index 2ba36ec..da155ea 100644
> --- a/fpu/softfloat.c
> +++ b/fpu/softfloat.c
> @@ -433,6 +433,16 @@ static inline int extractFloat16Exp(float16 a)
>  }
>
>
>  
> /*----------------------------------------------------------------------------
> +| Returns the sign bit of the half-precision floating-point value `a'.
>
> +*----------------------------------------------------------------------------*/
> +
> +static inline flag extractFloat16Sign(float16 a)
> +{
> +    return float16_val(a) >> 0xf;
> +}
> +
> +
>
> +/*----------------------------------------------------------------------------
>  | Returns the fraction bits of the single-precision floating-point value
> `a'.
>
>  
> *----------------------------------------------------------------------------*/
>
> @@ -4790,6 +4800,35 @@ int float32_eq(float32 a, float32 b, float_status
> *status)
>  }
>
>
>  
> /*----------------------------------------------------------------------------
> +| Returns 1 if the half-precision floating-point value `a' is less than
> +| or equal to the corresponding value `b', and 0 otherwise.  The invalid
> +| exception is raised if either operand is a NaN.  The comparison is
> performed
> +| according to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
>
> +*----------------------------------------------------------------------------*/
> +
> +int float16_le(float16 a, float16 b, float_status *status)
> +{
> +    flag aSign, bSign;
> +    uint16_t av, bv;
> +    a = float16_squash_input_denormal(a, status);
> +    b = float16_squash_input_denormal(b, status);
> +
> +    if (    ( ( extractFloat16Exp( a ) == 0x1F ) && extractFloat16Frac( a
> ) )
> +         || ( ( extractFloat16Exp( b ) == 0x1F ) && extractFloat16Frac( b
> ) )
> +       ) {
> +        float_raise(float_flag_invalid, status);
> +        return 0;
> +    }
> +    aSign = extractFloat16Sign( a );
> +    bSign = extractFloat16Sign( b );
> +    av = float16_val(a);
> +    bv = float16_val(b);
> +    if ( aSign != bSign ) return aSign || ( (uint16_t) ( ( av | bv )<<1 )
> == 0 );
> +    return ( av == bv ) || ( aSign ^ ( av < bv ) );
> +
> +}
> +
>
> +/*----------------------------------------------------------------------------
>  | Returns 1 if the single-precision floating-point value `a' is less than
>  | or equal to the corresponding value `b', and 0 otherwise.  The invalid
>  | exception is raised if either operand is a NaN.  The comparison is
> performed
> @@ -4825,6 +4864,35 @@ int float32_le(float32 a, float32 b, float_status
> *status)
>  | to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
>
>  
> *----------------------------------------------------------------------------*/
>
> +int float16_lt(float16 a, float16 b, float_status *status)
> +{
> +    flag aSign, bSign;
> +    uint16_t av, bv;
> +    a = float16_squash_input_denormal(a, status);
> +    b = float16_squash_input_denormal(b, status);
> +
> +    if (    ( ( extractFloat16Exp( a ) == 0x1F ) && extractFloat16Frac( a
> ) )
> +         || ( ( extractFloat16Exp( b ) == 0x1F ) && extractFloat16Frac( b
> ) )
> +       ) {
> +        float_raise(float_flag_invalid, status);
> +        return 0;
> +    }
> +    aSign = extractFloat16Sign( a );
> +    bSign = extractFloat16Sign( b );
> +    av = float16_val(a);
> +    bv = float16_val(b);
> +    if ( aSign != bSign ) return aSign && ( (uint16_t) ( ( av | bv )<<1 )
> != 0 );
> +    return ( av != bv ) && ( aSign ^ ( av < bv ) );
> +
> +}
> +
>
> +/*----------------------------------------------------------------------------
> +| Returns 1 if the single-precision floating-point value `a' is less than
> +| the corresponding value `b', and 0 otherwise.  The invalid exception is
> +| raised if either operand is a NaN.  The comparison is performed
> according
> +| to the IEC/IEEE Standard for Binary Floating-Point Arithmetic.
>
> +*----------------------------------------------------------------------------*/
> +
>  int float32_lt(float32 a, float32 b, float_status *status)
>  {
>      flag aSign, bSign;
> @@ -4869,6 +4937,32 @@ int float32_unordered(float32 a, float32 b,
> float_status *status)
>  }
>
>
>  
> /*----------------------------------------------------------------------------
> +| Returns 1 if the half-precision floating-point value `a' is equal to
> +| the corresponding value `b', and 0 otherwise.  Quiet NaNs do not cause
> an
> +| exception.  The comparison is performed according to the IEC/IEEE
> Standard
> +| for Binary Floating-Point Arithmetic.
>
> +*----------------------------------------------------------------------------*/
> +
> +int float16_eq_quiet(float16 a, float16 b, float_status *status)
> +{
> +    a = float16_squash_input_denormal(a, status);
> +    b = float16_squash_input_denormal(b, status);
> +
> +    if (    ( ( extractFloat16Exp( a ) == 0x1F ) && extractFloat16Frac( a
> ) )
> +         || ( ( extractFloat16Exp( b ) == 0x1F ) && extractFloat16Frac( b
> ) )
> +       ) {
> +        if (float16_is_signaling_nan(a, status)
> +         || float16_is_signaling_nan(b, status)) {
> +            float_raise(float_flag_invalid, status);
> +        }
> +        return 0;
> +    }
> +    return ( float16_val(a) == float16_val(b) ) ||
> +            ( (uint16_t) ( ( float16_val(a) | float16_val(b) )<<1 ) == 0
> );
> +}
> +
> +
>
> +/*----------------------------------------------------------------------------
>  | Returns 1 if the single-precision floating-point value `a' is equal to
>  | the corresponding value `b', and 0 otherwise.  Quiet NaNs do not cause
> an
>  | exception.  The comparison is performed according to the IEC/IEEE
> Standard
> @@ -4958,6 +5052,31 @@ int float32_lt_quiet(float32 a, float32 b,
> float_status *status)
>  }
>
>
>  
> /*----------------------------------------------------------------------------
> +| Returns 1 if the half-precision floating-point values `a' and `b' cannot
> +| be compared, and 0 otherwise.  Quiet NaNs do not cause an exception.
> The
> +| comparison is performed according to the IEC/IEEE Standard for Binary
> +| Floating-Point Arithmetic.
>
> +*----------------------------------------------------------------------------*/
> +
> +int float16_unordered_quiet(float16 a, float16 b, float_status *status)
> +{
> +    a = float16_squash_input_denormal(a, status);
> +    b = float16_squash_input_denormal(b, status);
> +
> +    if (    ( ( extractFloat16Exp( a ) == 0x1F ) && extractFloat16Frac( a
> ) )
> +         || ( ( extractFloat16Exp( b ) == 0x1F ) && extractFloat16Frac( b
> ) )
> +       ) {
> +        if (float16_is_signaling_nan(a, status)
> +         || float16_is_signaling_nan(b, status)) {
> +            float_raise(float_flag_invalid, status);
> +        }
> +        return 1;
> +    }
> +    return 0;
> +}
> +
> +
>
> +/*----------------------------------------------------------------------------
>  | Returns 1 if the single-precision floating-point values `a' and `b'
> cannot
>  | be compared, and 0 otherwise.  Quiet NaNs do not cause an exception.
> The
>  | comparison is performed according to the IEC/IEEE Standard for Binary
> diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
> index 3ff3fa5..3b0754c 100644
> --- a/include/fpu/softfloat.h
> +++ b/include/fpu/softfloat.h
> @@ -293,6 +293,10 @@ float16 float16_maxnummag(float16, float16,
> float_status *status);
>  float16 float16_sqrt(float16, float_status *status);
>  int float16_compare(float16, float16, float_status *status);
>  int float16_compare_quiet(float16, float16, float_status *status);
> +int float16_unordered_quiet(float16, float16, float_status *status);
> +int float16_le(float16, float16, float_status *status);
> +int float16_lt(float16, float16, float_status *status);
> +int float16_eq_quiet(float16, float16, float_status *status);
>
>  int float16_is_quiet_nan(float16, float_status *status);
>  int float16_is_signaling_nan(float16, float_status *status);
> diff --git a/linux-user/riscv/cpu_loop.c b/linux-user/riscv/cpu_loop.c
> index 12aa3c0..b01548a 100644
> --- a/linux-user/riscv/cpu_loop.c
> +++ b/linux-user/riscv/cpu_loop.c
> @@ -40,7 +40,13 @@ void cpu_loop(CPURISCVState *env)
>          signum = 0;
>          sigcode = 0;
>          sigaddr = 0;
> -
> +        if (env->foflag) {
> +            if (env->vfp.vl != 0) {
> +                env->foflag = false;
> +                env->pc += 4;
> +                continue;
> +            }
> +        }
>          switch (trapnr) {
>          case EXCP_INTERRUPT:
>              /* just indicate that signals should be handled asap */
> diff --git a/target/riscv/Makefile.objs b/target/riscv/Makefile.objs
> index b1c79bc..d577cef 100644
> --- a/target/riscv/Makefile.objs
> +++ b/target/riscv/Makefile.objs
> @@ -1,4 +1,4 @@
> -obj-y += translate.o op_helper.o cpu_helper.o cpu.o csr.o fpu_helper.o
> gdbstub.o pmp.o
> +obj-y += translate.o op_helper.o cpu_helper.o cpu.o csr.o fpu_helper.o
> vector_helper.o gdbstub.o pmp.o
>
>  DECODETREE = $(SRC_PATH)/scripts/decodetree.py
>
> diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
> index 0adb307..5a93aa2 100644
> --- a/target/riscv/cpu.h
> +++ b/target/riscv/cpu.h
> @@ -67,6 +67,7 @@
>  #define RVC RV('C')
>  #define RVS RV('S')
>  #define RVU RV('U')
> +#define RVV RV('V')
>
>  /* S extension denotes that Supervisor mode exists, however it is possible
>     to have a core that support S mode but does not have an MMU and there
> @@ -93,9 +94,38 @@ typedef struct CPURISCVState CPURISCVState;
>
>  #include "pmp.h"
>
> +#define VLEN 128
> +#define VUNIT(x) (VLEN / x)
> +
>  struct CPURISCVState {
>      target_ulong gpr[32];
>      uint64_t fpr[32]; /* assume both F and D extensions */
> +
> +    /* vector coprocessor state.  */
> +    struct {
> +        union VECTOR {
> +            float64  f64[VUNIT(64)];
> +            float32  f32[VUNIT(32)];
> +            float16  f16[VUNIT(16)];
> +            target_ulong ul[VUNIT(sizeof(target_ulong))];
> +            uint64_t u64[VUNIT(64)];
> +            int64_t  s64[VUNIT(64)];
> +            uint32_t u32[VUNIT(32)];
> +            int32_t  s32[VUNIT(32)];
> +            uint16_t u16[VUNIT(16)];
> +            int16_t  s16[VUNIT(16)];
> +            uint8_t  u8[VUNIT(8)];
> +            int8_t   s8[VUNIT(8)];
> +        } vreg[32];
> +        target_ulong vxrm;
> +        target_ulong vxsat;
> +        target_ulong vl;
> +        target_ulong vstart;
> +        target_ulong vtype;
> +        float_status fp_status;
> +    } vfp;
> +
> +    bool         foflag;
>      target_ulong pc;
>      target_ulong load_res;
>      target_ulong load_val;
> diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h
> index 11f971a..9eb43ec 100644
> --- a/target/riscv/cpu_bits.h
> +++ b/target/riscv/cpu_bits.h
> @@ -29,6 +29,14 @@
>  #define FSR_NXA             (FPEXC_NX << FSR_AEXC_SHIFT)
>  #define FSR_AEXC            (FSR_NVA | FSR_OFA | FSR_UFA | FSR_DZA |
> FSR_NXA)
>
> +/* Vector Fixed-Point round model */
> +#define FSR_VXRM_SHIFT      9
> +#define FSR_VXRM            (0x3 << FSR_VXRM_SHIFT)
> +
> +/* Vector Fixed-Point saturation flag */
> +#define FSR_VXSAT_SHIFT     8
> +#define FSR_VXSAT           (0x1 << FSR_VXSAT_SHIFT)
> +
>  /* Control and Status Registers */
>
>  /* User Trap Setup */
> @@ -48,6 +56,13 @@
>  #define CSR_FRM             0x002
>  #define CSR_FCSR            0x003
>
> +/* User Vector CSRs */
> +#define CSR_VSTART          0x008
> +#define CSR_VXSAT           0x009
> +#define CSR_VXRM            0x00a
> +#define CSR_VL              0xc20
> +#define CSR_VTYPE           0xc21
> +
>  /* User Timers and Counters */
>  #define CSR_CYCLE           0xc00
>  #define CSR_TIME            0xc01
> diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
> index e32b612..405caf6 100644
> --- a/target/riscv/cpu_helper.c
> +++ b/target/riscv/cpu_helper.c
> @@ -521,6 +521,13 @@ void riscv_cpu_do_interrupt(CPUState *cs)
>          [PRV_H] = RISCV_EXCP_H_ECALL,
>          [PRV_M] = RISCV_EXCP_M_ECALL
>      };
> +    if (env->foflag) {
> +        if (env->vfp.vl != 0) {
> +            env->foflag = false;
> +            env->pc += 4;
> +            return;
> +        }
> +    }
>
>      if (!async) {
>          /* set tval to badaddr for traps with address information */
> diff --git a/target/riscv/csr.c b/target/riscv/csr.c
> index e0d4586..a6131ff 100644
> --- a/target/riscv/csr.c
> +++ b/target/riscv/csr.c
> @@ -87,12 +87,12 @@ static int ctr(CPURISCVState *env, int csrno)
>      return 0;
>  }
>
> -#if !defined(CONFIG_USER_ONLY)
>  static int any(CPURISCVState *env, int csrno)
>  {
>      return 0;
>  }
>
> +#if !defined(CONFIG_USER_ONLY)
>  static int smode(CPURISCVState *env, int csrno)
>  {
>      return -!riscv_has_ext(env, RVS);
> @@ -158,8 +158,10 @@ static int read_fcsr(CPURISCVState *env, int csrno,
> target_ulong *val)
>          return -1;
>      }
>  #endif
> -    *val = (riscv_cpu_get_fflags(env) << FSR_AEXC_SHIFT)
> -        | (env->frm << FSR_RD_SHIFT);
> +    *val = (env->vfp.vxrm << FSR_VXRM_SHIFT)
> +            | (env->vfp.vxsat << FSR_VXSAT_SHIFT)
> +            | (riscv_cpu_get_fflags(env) << FSR_AEXC_SHIFT)
> +            | (env->frm << FSR_RD_SHIFT);
>      return 0;
>  }
>
> @@ -172,10 +174,60 @@ static int write_fcsr(CPURISCVState *env, int csrno,
> target_ulong val)
>      env->mstatus |= MSTATUS_FS;
>  #endif
>      env->frm = (val & FSR_RD) >> FSR_RD_SHIFT;
> +    env->vfp.vxrm = (val & FSR_VXRM) >> FSR_VXRM_SHIFT;
> +    env->vfp.vxsat = (val & FSR_VXSAT) >> FSR_VXSAT_SHIFT;
>      riscv_cpu_set_fflags(env, (val & FSR_AEXC) >> FSR_AEXC_SHIFT);
>      return 0;
>  }
>
> +static int read_vtype(CPURISCVState *env, int csrno, target_ulong *val)
> +{
> +    *val = env->vfp.vtype;
> +    return 0;
> +}
> +
> +static int read_vl(CPURISCVState *env, int csrno, target_ulong *val)
> +{
> +    *val = env->vfp.vl;
> +    return 0;
> +}
> +
> +static int read_vxrm(CPURISCVState *env, int csrno, target_ulong *val)
> +{
> +    *val = env->vfp.vxrm;
> +    return 0;
> +}
> +
> +static int read_vxsat(CPURISCVState *env, int csrno, target_ulong *val)
> +{
> +    *val = env->vfp.vxsat;
> +    return 0;
> +}
> +
> +static int read_vstart(CPURISCVState *env, int csrno, target_ulong *val)
> +{
> +    *val = env->vfp.vstart;
> +    return 0;
> +}
> +
> +static int write_vxrm(CPURISCVState *env, int csrno, target_ulong val)
> +{
> +    env->vfp.vxrm = val;
> +    return 0;
> +}
> +
> +static int write_vxsat(CPURISCVState *env, int csrno, target_ulong val)
> +{
> +    env->vfp.vxsat = val;
> +    return 0;
> +}
> +
> +static int write_vstart(CPURISCVState *env, int csrno, target_ulong val)
> +{
> +    env->vfp.vstart = val;
> +    return 0;
> +}
> +
>  /* User Timers and Counters */
>  static int read_instret(CPURISCVState *env, int csrno, target_ulong *val)
>  {
> @@ -873,7 +925,12 @@ static riscv_csr_operations csr_ops[CSR_TABLE_SIZE] =
> {
>      [CSR_FFLAGS] =              { fs,   read_fflags,      write_fflags
>   },
>      [CSR_FRM] =                 { fs,   read_frm,         write_frm
>    },
>      [CSR_FCSR] =                { fs,   read_fcsr,        write_fcsr
>   },
> -
> +    /* Vector CSRs */
> +    [CSR_VSTART] =              { any,   read_vstart,     write_vstart
>   },
> +    [CSR_VXSAT] =               { any,   read_vxsat,      write_vxsat
>    },
> +    [CSR_VXRM] =                { any,   read_vxrm,       write_vxrm
>   },
> +    [CSR_VL] =                  { any,   read_vl
>   },
> +    [CSR_VTYPE] =               { any,   read_vtype
>    },
>      /* User Timers and Counters */
>      [CSR_CYCLE] =               { ctr,  read_instret
>   },
>      [CSR_INSTRET] =             { ctr,  read_instret
>   },
> diff --git a/target/riscv/helper.h b/target/riscv/helper.h
> index debb22a..fee02c0 100644
> --- a/target/riscv/helper.h
> +++ b/target/riscv/helper.h
> @@ -76,3 +76,357 @@ DEF_HELPER_2(mret, tl, env, tl)
>  DEF_HELPER_1(wfi, void, env)
>  DEF_HELPER_1(tlb_flush, void, env)
>  #endif
> +/* Vector functions */
> +DEF_HELPER_5(vector_vlb_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vlh_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vlw_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vle_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vlbu_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vlhu_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vlwu_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vlbff_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vlhff_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vlwff_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vleff_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vlbuff_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vlhuff_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vlwuff_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsb_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsh_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsw_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vse_v, void, env, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vlsb_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vlsh_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vlsw_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vlse_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vlsbu_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vlshu_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vlswu_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vssb_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vssh_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vssw_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vsse_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vlxb_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vlxh_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vlxw_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vlxe_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vlxbu_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vlxhu_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vlxwu_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vsxb_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vsxh_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vsxw_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vsxe_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vsuxb_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vsuxh_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vsuxw_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vsuxe_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamoswapw_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamoswapd_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamoaddw_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamoaddd_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamoxorw_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamoxord_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamoandw_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamoandd_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamoorw_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamoord_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamominw_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamomind_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamomaxw_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamomaxd_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamominuw_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamominud_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamomaxuw_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_6(vector_vamomaxud_v, void, env, i32, i32, i32, i32, i32)
> +DEF_HELPER_4(vector_vext_x_v, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfmv_f_s, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmv_s_x, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfmv_s_f, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vadc_vvm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vadc_vxm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vadc_vim, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmadc_vvm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmadc_vxm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmadc_vim, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vsbc_vvm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vsbc_vxm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmsbc_vvm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmsbc_vxm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmpopc_m, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmfirst_m, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vcompress_vm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmandnot_mm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmand_mm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmor_mm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmxor_mm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmornot_mm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmnand_mm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmnor_mm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmxnor_mm, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmsbf_m, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmsof_m, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vmsif_m, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_viota_m, void, env, i32, i32, i32)
> +DEF_HELPER_3(vector_vid_v, void, env, i32, i32)
> +DEF_HELPER_4(vector_vfcvt_xu_f_v, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfcvt_x_f_v, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfcvt_f_xu_v, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfcvt_f_x_v, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfwcvt_xu_f_v, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfwcvt_x_f_v, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfwcvt_f_xu_v, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfwcvt_f_x_v, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfwcvt_f_f_v, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfncvt_xu_f_v, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfncvt_x_f_v, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfncvt_f_xu_v, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfncvt_f_x_v, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfncvt_f_f_v, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfsqrt_v, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vfclass_v, void, env, i32, i32, i32)
> +DEF_HELPER_5(vector_vadd_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vadd_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vadd_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vredsum_vs, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfadd_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfadd_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vredand_vs, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfredsum_vs, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsub_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsub_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vredor_vs, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfsub_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfsub_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vrsub_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vrsub_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vredxor_vs, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfredosum_vs, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vminu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vminu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vredminu_vs, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfmin_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfmin_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmin_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmin_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vredmin_vs, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfredmin_vs, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmaxu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmaxu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vredmaxu_vs, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfmax_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfmax_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmax_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmax_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vredmax_vs, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfredmax_vs, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfsgnj_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfsgnj_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vand_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vand_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vand_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfsgnjn_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfsgnjn_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vor_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vor_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vor_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfsgnjx_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfsgnjx_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vxor_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vxor_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vxor_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vrgather_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vrgather_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vrgather_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vslideup_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vslideup_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vslide1up_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vslidedown_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vslidedown_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vslide1down_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmerge_vvm, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmerge_vxm, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmerge_vim, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfmerge_vfm, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmseq_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmseq_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmseq_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmfeq_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmfeq_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmsne_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmsne_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmsne_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmfle_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmfle_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmsltu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmsltu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmford_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmford_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmslt_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmslt_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmflt_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmflt_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmsleu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmsleu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmsleu_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmfne_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmfne_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmsle_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmsle_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmsle_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmfgt_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmsgtu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmsgtu_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmsgt_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmsgt_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmfge_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsaddu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsaddu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsaddu_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vdivu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vdivu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfdiv_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfdiv_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsadd_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsadd_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsadd_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vdiv_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vdiv_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfrdiv_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vssubu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vssubu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vremu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vremu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vssub_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vssub_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vrem_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vrem_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vaadd_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vaadd_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vaadd_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmulhu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmulhu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfmul_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfmul_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsll_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsll_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsll_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmul_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmul_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vasub_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vasub_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmulhsu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmulhsu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsmul_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsmul_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmulh_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmulh_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfrsub_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsrl_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsrl_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsrl_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfmadd_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfmadd_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsra_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsra_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vsra_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmadd_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmadd_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfnmadd_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfnmadd_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vssrl_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vssrl_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vssrl_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfmsub_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfmsub_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vssra_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vssra_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vssra_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vnmsub_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vnmsub_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfnmsub_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfnmsub_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vnsrl_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vnsrl_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vnsrl_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfmacc_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfmacc_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vnsra_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vnsra_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vnsra_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmacc_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vmacc_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfnmacc_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfnmacc_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vnclipu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vnclipu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vnclipu_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfmsac_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfmsac_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vnclip_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vnclip_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vnclip_vi, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vnmsac_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vnmsac_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfnmsac_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfnmsac_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwredsumu_vs, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwaddu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwaddu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwadd_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwadd_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwredsum_vs, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwadd_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwadd_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwredsum_vs, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwsubu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwsubu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwsub_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwsub_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwsub_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwsub_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwredosum_vs, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwaddu_wv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwaddu_wx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwadd_wv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwadd_wf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwadd_wv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwadd_wx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwsubu_wv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwsubu_wx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwsub_wv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwsub_wf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwsub_wv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwsub_wx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwmulu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwmulu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwmul_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwmul_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwmulsu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwmulsu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwmul_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwmul_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwsmaccu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwsmaccu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwmaccu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwmaccu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwmacc_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwmacc_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwsmacc_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwsmacc_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwmacc_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwmacc_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwnmacc_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwnmacc_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwsmaccsu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwsmaccsu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwmaccsu_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwmaccsu_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwmsac_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwmsac_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwsmaccus_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vwmaccus_vx, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwnmsac_vv, void, env, i32, i32, i32, i32)
> +DEF_HELPER_5(vector_vfwnmsac_vf, void, env, i32, i32, i32, i32)
> +DEF_HELPER_4(vector_vsetvli, void, env, i32, i32, i32)
> +DEF_HELPER_4(vector_vsetvl, void, env, i32, i32, i32)
> diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
> index 77f794e..d125ff9 100644
> --- a/target/riscv/insn32.decode
> +++ b/target/riscv/insn32.decode
> @@ -25,7 +25,7 @@
>  %sh10    20:10
>  %csr    20:12
>  %rm     12:3
> -
> +%nf     29:3
>  # immediates:
>  %imm_i    20:s12
>  %imm_s    25:s7 7:5
> @@ -43,7 +43,6 @@
>  &u    imm rd
>  &shift     shamt rs1 rd
>  &atomic    aq rl rs2 rs1 rd
> -
>  # Formats 32:
>  @r       .......   ..... ..... ... ..... ....... &r                %rs2
> %rs1 %rd
>  @i       ............    ..... ... ..... ....... &i      imm=%imm_i
>  %rs1 %rd
> @@ -62,11 +61,17 @@
>  @r_rm    .......   ..... ..... ... ..... ....... %rs2 %rs1 %rm %rd
>  @r2_rm   .......   ..... ..... ... ..... ....... %rs1 %rm %rd
>  @r2      .......   ..... ..... ... ..... ....... %rs1 %rd
> +@r_vm    ...... vm:1 ..... ..... ... ..... ....... %rs2 %rs1 %rd
> +@r_wdvm  ..... wd:1 vm:1 ..... ..... ... ..... ....... %rs2 %rs1 %rd
> +@r_nfvm  nf:3 ... vm:1 ..... ..... ... ..... ....... %rs2 %rs1 %rd
> +@r2_nfvm nf:3 ... vm:1 ..... ..... ... ..... ....... %rs1 %rd
> +@r2_vm   ...... vm:1 ..... ..... ... ..... ....... %rs2 %rd
> +@r1_vm   ...... vm:1 ..... ..... ... ..... ....... %rd
> +@r2_zimm . zimm:11  ..... ... ..... ....... %rs1 %rd
>
>  @sfence_vma ....... ..... .....   ... ..... ....... %rs2 %rs1
>  @sfence_vm  ....... ..... .....   ... ..... ....... %rs1
>
> -
>  # *** Privileged Instructions ***
>  ecall      000000000000     00000 000 00000 1110011
>  ebreak     000000000001     00000 000 00000 1110011
> @@ -203,3 +208,366 @@ fcvt_w_d   1100001  00000 ..... ... ..... 1010011
> @r2_rm
>  fcvt_wu_d  1100001  00001 ..... ... ..... 1010011 @r2_rm
>  fcvt_d_w   1101001  00000 ..... ... ..... 1010011 @r2_rm
>  fcvt_d_wu  1101001  00001 ..... ... ..... 1010011 @r2_rm
> +
> +# *** RV32V Standard Extension ***
> +
> +# *** Vector loads and stores are encoded within LOADFP/STORE-FP ***
> +vlb_v      ... 100 . 00000 ..... 000 ..... 0000111 @r2_nfvm
> +vlh_v      ... 100 . 00000 ..... 101 ..... 0000111 @r2_nfvm
> +vlw_v      ... 100 . 00000 ..... 110 ..... 0000111 @r2_nfvm
> +vle_v      ... 000 . 00000 ..... 111 ..... 0000111 @r2_nfvm
> +vlbu_v     ... 000 . 00000 ..... 000 ..... 0000111 @r2_nfvm
> +vlhu_v     ... 000 . 00000 ..... 101 ..... 0000111 @r2_nfvm
> +vlwu_v     ... 000 . 00000 ..... 110 ..... 0000111 @r2_nfvm
> +vlbff_v    ... 100 . 10000 ..... 000 ..... 0000111 @r2_nfvm
> +vlhff_v    ... 100 . 10000 ..... 101 ..... 0000111 @r2_nfvm
> +vlwff_v    ... 100 . 10000 ..... 110 ..... 0000111 @r2_nfvm
> +vleff_v    ... 000 . 10000 ..... 111 ..... 0000111 @r2_nfvm
> +vlbuff_v   ... 000 . 10000 ..... 000 ..... 0000111 @r2_nfvm
> +vlhuff_v   ... 000 . 10000 ..... 101 ..... 0000111 @r2_nfvm
> +vlwuff_v   ... 000 . 10000 ..... 110 ..... 0000111 @r2_nfvm
> +vsb_v      ... 000 . 00000 ..... 000 ..... 0100111 @r2_nfvm
> +vsh_v      ... 000 . 00000 ..... 101 ..... 0100111 @r2_nfvm
> +vsw_v      ... 000 . 00000 ..... 110 ..... 0100111 @r2_nfvm
> +vse_v      ... 000 . 00000 ..... 111 ..... 0100111 @r2_nfvm
> +
> +vlsb_v     ... 110 . ..... ..... 000 ..... 0000111 @r_nfvm
> +vlsh_v     ... 110 . ..... ..... 101 ..... 0000111 @r_nfvm
> +vlsw_v     ... 110 . ..... ..... 110 ..... 0000111 @r_nfvm
> +vlse_v     ... 010 . ..... ..... 111 ..... 0000111 @r_nfvm
> +vlsbu_v    ... 010 . ..... ..... 000 ..... 0000111 @r_nfvm
> +vlshu_v    ... 010 . ..... ..... 101 ..... 0000111 @r_nfvm
> +vlswu_v    ... 010 . ..... ..... 110 ..... 0000111 @r_nfvm
> +vssb_v     ... 010 . ..... ..... 000 ..... 0100111 @r_nfvm
> +vssh_v     ... 010 . ..... ..... 101 ..... 0100111 @r_nfvm
> +vssw_v     ... 010 . ..... ..... 110 ..... 0100111 @r_nfvm
> +vsse_v     ... 010 . ..... ..... 111 ..... 0100111 @r_nfvm
> +
> +vlxb_v     ... 111 . ..... ..... 000 ..... 0000111 @r_nfvm
> +vlxh_v     ... 111 . ..... ..... 101 ..... 0000111 @r_nfvm
> +vlxw_v     ... 111 . ..... ..... 110 ..... 0000111 @r_nfvm
> +vlxe_v     ... 011 . ..... ..... 111 ..... 0000111 @r_nfvm
> +vlxbu_v    ... 011 . ..... ..... 000 ..... 0000111 @r_nfvm
> +vlxhu_v    ... 011 . ..... ..... 101 ..... 0000111 @r_nfvm
> +vlxwu_v    ... 011 . ..... ..... 110 ..... 0000111 @r_nfvm
> +vsxb_v     ... 011 . ..... ..... 000 ..... 0100111 @r_nfvm
> +vsxh_v     ... 011 . ..... ..... 101 ..... 0100111 @r_nfvm
> +vsxw_v     ... 011 . ..... ..... 110 ..... 0100111 @r_nfvm
> +vsxe_v     ... 011 . ..... ..... 111 ..... 0100111 @r_nfvm
> +vsuxb_v    ... 111 . ..... ..... 000 ..... 0100111 @r_nfvm
> +vsuxh_v    ... 111 . ..... ..... 101 ..... 0100111 @r_nfvm
> +vsuxw_v    ... 111 . ..... ..... 110 ..... 0100111 @r_nfvm
> +vsuxe_v    ... 111 . ..... ..... 111 ..... 0100111 @r_nfvm
> +
> +#*** Vector AMO operations are encoded under the standard AMO major
> opcode.***
> +vamoswapw_v     00001 . . ..... ..... 110 ..... 0101111 @r_wdvm
> +vamoswapd_v     00001 . . ..... ..... 111 ..... 0101111 @r_wdvm
> +vamoaddw_v      00000 . . ..... ..... 110 ..... 0101111 @r_wdvm
> +vamoaddd_v      00000 . . ..... ..... 111 ..... 0101111 @r_wdvm
> +vamoxorw_v      00100 . . ..... ..... 110 ..... 0101111 @r_wdvm
> +vamoxord_v      00100 . . ..... ..... 111 ..... 0101111 @r_wdvm
> +vamoandw_v      01100 . . ..... ..... 110 ..... 0101111 @r_wdvm
> +vamoandd_v      01100 . . ..... ..... 111 ..... 0101111 @r_wdvm
> +vamoorw_v       01000 . . ..... ..... 110 ..... 0101111 @r_wdvm
> +vamoord_v       01000 . . ..... ..... 111 ..... 0101111 @r_wdvm
> +vamominw_v      10000 . . ..... ..... 110 ..... 0101111 @r_wdvm
> +vamomind_v      10000 . . ..... ..... 111 ..... 0101111 @r_wdvm
> +vamomaxw_v      10100 . . ..... ..... 110 ..... 0101111 @r_wdvm
> +vamomaxd_v      10100 . . ..... ..... 111 ..... 0101111 @r_wdvm
> +vamominuw_v     11000 . . ..... ..... 110 ..... 0101111 @r_wdvm
> +vamominud_v     11000 . . ..... ..... 111 ..... 0101111 @r_wdvm
> +vamomaxuw_v     11100 . . ..... ..... 110 ..... 0101111 @r_wdvm
> +vamomaxud_v     11100 . . ..... ..... 111 ..... 0101111 @r_wdvm
> +
> +#*** new major opcode OP-V ***
> +vadd_vv         000000 . ..... ..... 000 ..... 1010111 @r_vm
> +vadd_vx         000000 . ..... ..... 100 ..... 1010111 @r_vm
> +vadd_vi         000000 . ..... ..... 011 ..... 1010111 @r_vm
> +vredsum_vs      000000 . ..... ..... 010 ..... 1010111 @r_vm
> +vfadd_vv        000000 . ..... ..... 001 ..... 1010111 @r_vm
> +vfadd_vf        000000 . ..... ..... 101 ..... 1010111 @r_vm
> +vredand_vs      000001 . ..... ..... 010 ..... 1010111 @r_vm
> +vfredsum_vs     000001 . ..... ..... 001 ..... 1010111 @r_vm
> +vsub_vv         000010 . ..... ..... 000 ..... 1010111 @r_vm
> +vsub_vx         000010 . ..... ..... 100 ..... 1010111 @r_vm
> +vredor_vs       000010 . ..... ..... 010 ..... 1010111 @r_vm
> +vfsub_vv        000010 . ..... ..... 001 ..... 1010111 @r_vm
> +vfsub_vf        000010 . ..... ..... 101 ..... 1010111 @r_vm
> +vrsub_vx        000011 . ..... ..... 100 ..... 1010111 @r_vm
> +vrsub_vi        000011 . ..... ..... 011 ..... 1010111 @r_vm
> +vredxor_vs      000011 . ..... ..... 010 ..... 1010111 @r_vm
> +vfredosum_vs    000011 . ..... ..... 001 ..... 1010111 @r_vm
> +vminu_vv        000100 . ..... ..... 000 ..... 1010111 @r_vm
> +vminu_vx        000100 . ..... ..... 100 ..... 1010111 @r_vm
> +vredminu_vs     000100 . ..... ..... 010 ..... 1010111 @r_vm
> +vfmin_vv        000100 . ..... ..... 001 ..... 1010111 @r_vm
> +vfmin_vf        000100 . ..... ..... 101 ..... 1010111 @r_vm
> +vmin_vv         000101 . ..... ..... 000 ..... 1010111 @r_vm
> +vmin_vx         000101 . ..... ..... 100 ..... 1010111 @r_vm
> +vredmin_vs      000101 . ..... ..... 010 ..... 1010111 @r_vm
> +vfredmin_vs     000101 . ..... ..... 001 ..... 1010111 @r_vm
> +vmaxu_vv        000110 . ..... ..... 000 ..... 1010111 @r_vm
> +vmaxu_vx        000110 . ..... ..... 100 ..... 1010111 @r_vm
> +vredmaxu_vs     000110 . ..... ..... 010 ..... 1010111 @r_vm
> +vfmax_vv        000110 . ..... ..... 001 ..... 1010111 @r_vm
> +vfmax_vf        000110 . ..... ..... 101 ..... 1010111 @r_vm
> +vmax_vv         000111 . ..... ..... 000 ..... 1010111 @r_vm
> +vmax_vx         000111 . ..... ..... 100 ..... 1010111 @r_vm
> +vredmax_vs      000111 . ..... ..... 010 ..... 1010111 @r_vm
> +vfredmax_vs     000111 . ..... ..... 001 ..... 1010111 @r_vm
> +vfsgnj_vv       001000 . ..... ..... 001 ..... 1010111 @r_vm
> +vfsgnj_vf       001000 . ..... ..... 101 ..... 1010111 @r_vm
> +vand_vv         001001 . ..... ..... 000 ..... 1010111 @r_vm
> +vand_vx         001001 . ..... ..... 100 ..... 1010111 @r_vm
> +vand_vi         001001 . ..... ..... 011 ..... 1010111 @r_vm
> +vfsgnjn_vv      001001 . ..... ..... 001 ..... 1010111 @r_vm
> +vfsgnjn_vf      001001 . ..... ..... 101 ..... 1010111 @r_vm
> +vor_vv          001010 . ..... ..... 000 ..... 1010111 @r_vm
> +vor_vx          001010 . ..... ..... 100 ..... 1010111 @r_vm
> +vor_vi          001010 . ..... ..... 011 ..... 1010111 @r_vm
> +vfsgnjx_vv      001010 . ..... ..... 001 ..... 1010111 @r_vm
> +vfsgnjx_vf      001010 . ..... ..... 101 ..... 1010111 @r_vm
> +vxor_vv         001011 . ..... ..... 000 ..... 1010111 @r_vm
> +vxor_vx         001011 . ..... ..... 100 ..... 1010111 @r_vm
> +vxor_vi         001011 . ..... ..... 011 ..... 1010111 @r_vm
> +vrgather_vv     001100 . ..... ..... 000 ..... 1010111 @r_vm
> +vrgather_vx     001100 . ..... ..... 100 ..... 1010111 @r_vm
> +vrgather_vi     001100 . ..... ..... 011 ..... 1010111 @r_vm
> +vext_x_v        001100 1 ..... ..... 010 ..... 1010111 @r
> +vfmv_f_s        001100 1 ..... ..... 001 ..... 1010111 @r
> +vmv_s_x         001101 1 ..... ..... 110 ..... 1010111 @r
> +vfmv_s_f        001101 1 ..... ..... 101 ..... 1010111 @r
> +vslideup_vx     001110 . ..... ..... 100 ..... 1010111 @r_vm
> +vslideup_vi     001110 . ..... ..... 011 ..... 1010111 @r_vm
> +vslide1up_vx    001110 . ..... ..... 110 ..... 1010111 @r_vm
> +vslidedown_vx   001111 . ..... ..... 100 ..... 1010111 @r_vm
> +vslidedown_vi   001111 . ..... ..... 011 ..... 1010111 @r_vm
> +vslide1down_vx  001111 . ..... ..... 110 ..... 1010111 @r_vm
> +vadc_vvm        010000 1 ..... ..... 000 ..... 1010111 @r
> +vadc_vxm        010000 1 ..... ..... 100 ..... 1010111 @r
> +vadc_vim        010000 1 ..... ..... 011 ..... 1010111 @r
> +vmadc_vvm       010001 1 ..... ..... 000 ..... 1010111 @r
> +vmadc_vxm       010001 1 ..... ..... 100 ..... 1010111 @r
> +vmadc_vim       010001 1 ..... ..... 011 ..... 1010111 @r
> +vsbc_vvm        010010 1 ..... ..... 000 ..... 1010111 @r
> +vsbc_vxm        010010 1 ..... ..... 100 ..... 1010111 @r
> +vmsbc_vvm       010011 1 ..... ..... 000 ..... 1010111 @r
> +vmsbc_vxm       010011 1 ..... ..... 100 ..... 1010111 @r
> +vmpopc_m        010100 . ..... ----- 010 ..... 1010111 @r2_vm
> +vmfirst_m       010101 . ..... ----- 010 ..... 1010111 @r2_vm
> +vmsbf_m         010110 . ..... 00001 010 ..... 1010111 @r2_vm
> +vmsof_m         010110 . ..... 00010 010 ..... 1010111 @r2_vm
> +vmsif_m         010110 . ..... 00011 010 ..... 1010111 @r2_vm
> +viota_m         010110 . ..... 10000 010 ..... 1010111 @r2_vm
> +vid_v           010110 . 00000 10001 010 ..... 1010111 @r1_vm
> +vmerge_vvm      010111 . ..... ..... 000 ..... 1010111 @r_vm
> +vmerge_vxm      010111 . ..... ..... 100 ..... 1010111 @r_vm
> +vmerge_vim      010111 . ..... ..... 011 ..... 1010111 @r_vm
> +vcompress_vm    010111 - ..... ..... 010 ..... 1010111 @r
> +vfmerge_vfm     010111 . ..... ..... 101 ..... 1010111 @r_vm
> +vmseq_vv        011000 . ..... ..... 000 ..... 1010111 @r_vm
> +vmseq_vx        011000 . ..... ..... 100 ..... 1010111 @r_vm
> +vmseq_vi        011000 . ..... ..... 011 ..... 1010111 @r_vm
> +vmandnot_mm     011000 - ..... ..... 010 ..... 1010111 @r
> +vmfeq_vv        011000 . ..... ..... 001 ..... 1010111 @r_vm
> +vmfeq_vf        011000 . ..... ..... 101 ..... 1010111 @r_vm
> +vmsne_vv        011001 . ..... ..... 000 ..... 1010111 @r_vm
> +vmsne_vx        011001 . ..... ..... 100 ..... 1010111 @r_vm
> +vmsne_vi        011001 . ..... ..... 011 ..... 1010111 @r_vm
> +vmand_mm        011001 - ..... ..... 010 ..... 1010111 @r
> +vmfle_vv        011001 . ..... ..... 001 ..... 1010111 @r_vm
> +vmfle_vf        011001 . ..... ..... 101 ..... 1010111 @r_vm
> +vmsltu_vv       011010 . ..... ..... 000 ..... 1010111 @r_vm
> +vmsltu_vx       011010 . ..... ..... 100 ..... 1010111 @r_vm
> +vmor_mm         011010 - ..... ..... 010 ..... 1010111 @r
> +vmford_vv       011010 . ..... ..... 001 ..... 1010111 @r_vm
> +vmford_vf       011010 . ..... ..... 101 ..... 1010111 @r_vm
> +vmslt_vv        011011 . ..... ..... 000 ..... 1010111 @r_vm
> +vmslt_vx        011011 . ..... ..... 100 ..... 1010111 @r_vm
> +vmxor_mm        011011 - ..... ..... 010 ..... 1010111 @r
> +vmflt_vv        011011 . ..... ..... 001 ..... 1010111 @r_vm
> +vmflt_vf        011011 . ..... ..... 101 ..... 1010111 @r_vm
> +vmsleu_vv       011100 . ..... ..... 000 ..... 1010111 @r_vm
> +vmsleu_vx       011100 . ..... ..... 100 ..... 1010111 @r_vm
> +vmsleu_vi       011100 . ..... ..... 011 ..... 1010111 @r_vm
> +vmornot_mm      011100 - ..... ..... 010 ..... 1010111 @r
> +vmfne_vv        011100 . ..... ..... 001 ..... 1010111 @r_vm
> +vmfne_vf        011100 . ..... ..... 101 ..... 1010111 @r_vm
> +vmsle_vv        011101 . ..... ..... 000 ..... 1010111 @r_vm
> +vmsle_vx        011101 . ..... ..... 100 ..... 1010111 @r_vm
> +vmsle_vi        011101 . ..... ..... 011 ..... 1010111 @r_vm
> +vmnand_mm       011101 - ..... ..... 010 ..... 1010111 @r
> +vmfgt_vf        011101 . ..... ..... 101 ..... 1010111 @r_vm
> +vmsgtu_vx       011110 . ..... ..... 100 ..... 1010111 @r_vm
> +vmsgtu_vi       011110 . ..... ..... 011 ..... 1010111 @r_vm
> +vmnor_mm        011110 - ..... ..... 010 ..... 1010111 @r
> +vmsgt_vx        011111 . ..... ..... 100 ..... 1010111 @r_vm
> +vmsgt_vi        011111 . ..... ..... 011 ..... 1010111 @r_vm
> +vmxnor_mm       011111 - ..... ..... 010 ..... 1010111 @r
> +vmfge_vf        011111 . ..... ..... 101 ..... 1010111 @r_vm
> +vsaddu_vv       100000 . ..... ..... 000 ..... 1010111 @r_vm
> +vsaddu_vx       100000 . ..... ..... 100 ..... 1010111 @r_vm
> +vsaddu_vi       100000 . ..... ..... 011 ..... 1010111 @r_vm
> +vdivu_vv        100000 . ..... ..... 010 ..... 1010111 @r_vm
> +vdivu_vx        100000 . ..... ..... 110 ..... 1010111 @r_vm
> +vfdiv_vv        100000 . ..... ..... 001 ..... 1010111 @r_vm
> +vfdiv_vf        100000 . ..... ..... 101 ..... 1010111 @r_vm
> +vsadd_vv        100001 . ..... ..... 000 ..... 1010111 @r_vm
> +vsadd_vx        100001 . ..... ..... 100 ..... 1010111 @r_vm
> +vsadd_vi        100001 . ..... ..... 011 ..... 1010111 @r_vm
> +vdiv_vv         100001 . ..... ..... 010 ..... 1010111 @r_vm
> +vdiv_vx         100001 . ..... ..... 110 ..... 1010111 @r_vm
> +vfrdiv_vf       100001 . ..... ..... 101 ..... 1010111 @r_vm
> +vssubu_vv       100010 . ..... ..... 000 ..... 1010111 @r_vm
> +vssubu_vx       100010 . ..... ..... 100 ..... 1010111 @r_vm
> +vremu_vv        100010 . ..... ..... 010 ..... 1010111 @r_vm
> +vremu_vx        100010 . ..... ..... 110 ..... 1010111 @r_vm
> +vfcvt_xu_f_v    100010 . ..... 00000 001 ..... 1010111 @r2_vm
> +vfcvt_x_f_v     100010 . ..... 00001 001 ..... 1010111 @r2_vm
> +vfcvt_f_xu_v    100010 . ..... 00010 001 ..... 1010111 @r2_vm
> +vfcvt_f_x_v     100010 . ..... 00011 001 ..... 1010111 @r2_vm
> +vfwcvt_xu_f_v   100010 . ..... 01000 001 ..... 1010111 @r2_vm
> +vfwcvt_x_f_v    100010 . ..... 01001 001 ..... 1010111 @r2_vm
> +vfwcvt_f_xu_v   100010 . ..... 01010 001 ..... 1010111 @r2_vm
> +vfwcvt_f_x_v    100010 . ..... 01011 001 ..... 1010111 @r2_vm
> +vfwcvt_f_f_v    100010 . ..... 01100 001 ..... 1010111 @r2_vm
> +vfncvt_xu_f_v   100010 . ..... 10000 001 ..... 1010111 @r2_vm
> +vfncvt_x_f_v    100010 . ..... 10001 001 ..... 1010111 @r2_vm
> +vfncvt_f_xu_v   100010 . ..... 10010 001 ..... 1010111 @r2_vm
> +vfncvt_f_x_v    100010 . ..... 10011 001 ..... 1010111 @r2_vm
> +vfncvt_f_f_v    100010 . ..... 10100 001 ..... 1010111 @r2_vm
> +vssub_vv        100011 . ..... ..... 000 ..... 1010111 @r_vm
> +vssub_vx        100011 . ..... ..... 100 ..... 1010111 @r_vm
> +vrem_vv         100011 . ..... ..... 010 ..... 1010111 @r_vm
> +vrem_vx         100011 . ..... ..... 110 ..... 1010111 @r_vm
> +vfsqrt_v        100011 . ..... 00000 001 ..... 1010111 @r2_vm
> +vfclass_v       100011 . ..... 10000 001 ..... 1010111 @r2_vm
> +vaadd_vv        100100 . ..... ..... 000 ..... 1010111 @r_vm
> +vaadd_vx        100100 . ..... ..... 100 ..... 1010111 @r_vm
> +vaadd_vi        100100 . ..... ..... 011 ..... 1010111 @r_vm
> +vmulhu_vv       100100 . ..... ..... 010 ..... 1010111 @r_vm
> +vmulhu_vx       100100 . ..... ..... 110 ..... 1010111 @r_vm
> +vfmul_vv        100100 . ..... ..... 001 ..... 1010111 @r_vm
> +vfmul_vf        100100 . ..... ..... 101 ..... 1010111 @r_vm
> +vsll_vv         100101 . ..... ..... 000 ..... 1010111 @r_vm
> +vsll_vx         100101 . ..... ..... 100 ..... 1010111 @r_vm
> +vsll_vi         100101 . ..... ..... 011 ..... 1010111 @r_vm
> +vmul_vv         100101 . ..... ..... 010 ..... 1010111 @r_vm
> +vmul_vx         100101 . ..... ..... 110 ..... 1010111 @r_vm
> +vasub_vv        100110 . ..... ..... 000 ..... 1010111 @r_vm
> +vasub_vx        100110 . ..... ..... 100 ..... 1010111 @r_vm
> +vmulhsu_vv      100110 . ..... ..... 010 ..... 1010111 @r_vm
> +vmulhsu_vx      100110 . ..... ..... 110 ..... 1010111 @r_vm
> +vsmul_vv        100111 . ..... ..... 000 ..... 1010111 @r_vm
> +vsmul_vx        100111 . ..... ..... 100 ..... 1010111 @r_vm
> +vmulh_vv        100111 . ..... ..... 010 ..... 1010111 @r_vm
> +vmulh_vx        100111 . ..... ..... 110 ..... 1010111 @r_vm
> +vfrsub_vf       100111 . ..... ..... 101 ..... 1010111 @r_vm
> +vsrl_vv         101000 . ..... ..... 000 ..... 1010111 @r_vm
> +vsrl_vx         101000 . ..... ..... 100 ..... 1010111 @r_vm
> +vsrl_vi         101000 . ..... ..... 011 ..... 1010111 @r_vm
> +vfmadd_vv       101000 . ..... ..... 001 ..... 1010111 @r_vm
> +vfmadd_vf       101000 . ..... ..... 101 ..... 1010111 @r_vm
> +vsra_vv         101001 . ..... ..... 000 ..... 1010111 @r_vm
> +vsra_vx         101001 . ..... ..... 100 ..... 1010111 @r_vm
> +vsra_vi         101001 . ..... ..... 011 ..... 1010111 @r_vm
> +vmadd_vv        101001 . ..... ..... 010 ..... 1010111 @r_vm
> +vmadd_vx        101001 . ..... ..... 110 ..... 1010111 @r_vm
> +vfnmadd_vv      101001 . ..... ..... 001 ..... 1010111 @r_vm
> +vfnmadd_vf      101001 . ..... ..... 101 ..... 1010111 @r_vm
> +vssrl_vv        101010 . ..... ..... 000 ..... 1010111 @r_vm
> +vssrl_vx        101010 . ..... ..... 100 ..... 1010111 @r_vm
> +vssrl_vi        101010 . ..... ..... 011 ..... 1010111 @r_vm
> +vfmsub_vv       101010 . ..... ..... 001 ..... 1010111 @r_vm
> +vfmsub_vf       101010 . ..... ..... 101 ..... 1010111 @r_vm
> +vssra_vv        101011 . ..... ..... 000 ..... 1010111 @r_vm
> +vssra_vx        101011 . ..... ..... 100 ..... 1010111 @r_vm
> +vssra_vi        101011 . ..... ..... 011 ..... 1010111 @r_vm
> +vnmsub_vv       101011 . ..... ..... 010 ..... 1010111 @r_vm
> +vnmsub_vx       101011 . ..... ..... 110 ..... 1010111 @r_vm
> +vfnmsub_vv      101011 . ..... ..... 001 ..... 1010111 @r_vm
> +vfnmsub_vf      101011 . ..... ..... 101 ..... 1010111 @r_vm
> +vnsrl_vv        101100 . ..... ..... 000 ..... 1010111 @r_vm
> +vnsrl_vx        101100 . ..... ..... 100 ..... 1010111 @r_vm
> +vnsrl_vi        101100 . ..... ..... 011 ..... 1010111 @r_vm
> +vfmacc_vv       101100 . ..... ..... 001 ..... 1010111 @r_vm
> +vfmacc_vf       101100 . ..... ..... 101 ..... 1010111 @r_vm
> +vnsra_vv        101101 . ..... ..... 000 ..... 1010111 @r_vm
> +vnsra_vx        101101 . ..... ..... 100 ..... 1010111 @r_vm
> +vnsra_vi        101101 . ..... ..... 011 ..... 1010111 @r_vm
> +vmacc_vv        101101 . ..... ..... 010 ..... 1010111 @r_vm
> +vmacc_vx        101101 . ..... ..... 110 ..... 1010111 @r_vm
> +vfnmacc_vv      101101 . ..... ..... 001 ..... 1010111 @r_vm
> +vfnmacc_vf      101101 . ..... ..... 101 ..... 1010111 @r_vm
> +vnclipu_vv      101110 . ..... ..... 000 ..... 1010111 @r_vm
> +vnclipu_vx      101110 . ..... ..... 100 ..... 1010111 @r_vm
> +vnclipu_vi      101110 . ..... ..... 011 ..... 1010111 @r_vm
> +vfmsac_vv       101110 . ..... ..... 001 ..... 1010111 @r_vm
> +vfmsac_vf       101110 . ..... ..... 101 ..... 1010111 @r_vm
> +vnclip_vv       101111 . ..... ..... 000 ..... 1010111 @r_vm
> +vnclip_vx       101111 . ..... ..... 100 ..... 1010111 @r_vm
> +vnclip_vi       101111 . ..... ..... 011 ..... 1010111 @r_vm
> +vnmsac_vv       101111 . ..... ..... 010 ..... 1010111 @r_vm
> +vnmsac_vx       101111 . ..... ..... 110 ..... 1010111 @r_vm
> +vfnmsac_vv      101111 . ..... ..... 001 ..... 1010111 @r_vm
> +vfnmsac_vf      101111 . ..... ..... 101 ..... 1010111 @r_vm
> +vwredsumu_vs    110000 . ..... ..... 000 ..... 1010111 @r_vm
> +vwaddu_vv       110000 . ..... ..... 010 ..... 1010111 @r_vm
> +vwaddu_vx       110000 . ..... ..... 110 ..... 1010111 @r_vm
> +vfwadd_vv       110000 . ..... ..... 001 ..... 1010111 @r_vm
> +vfwadd_vf       110000 . ..... ..... 101 ..... 1010111 @r_vm
> +vwredsum_vs     110001 . ..... ..... 000 ..... 1010111 @r_vm
> +vwadd_vv        110001 . ..... ..... 010 ..... 1010111 @r_vm
> +vwadd_vx        110001 . ..... ..... 110 ..... 1010111 @r_vm
> +vfwredsum_vs    110001 . ..... ..... 001 ..... 1010111 @r_vm
> +vwsubu_vv       110010 . ..... ..... 010 ..... 1010111 @r_vm
> +vwsubu_vx       110010 . ..... ..... 110 ..... 1010111 @r_vm
> +vfwsub_vv       110010 . ..... ..... 001 ..... 1010111 @r_vm
> +vfwsub_vf       110010 . ..... ..... 101 ..... 1010111 @r_vm
> +vwsub_vv        110011 . ..... ..... 010 ..... 1010111 @r_vm
> +vwsub_vx        110011 . ..... ..... 110 ..... 1010111 @r_vm
> +vfwredosum_vs   110011 . ..... ..... 001 ..... 1010111 @r_vm
> +vwaddu_wv       110100 . ..... ..... 010 ..... 1010111 @r_vm
> +vwaddu_wx       110100 . ..... ..... 110 ..... 1010111 @r_vm
> +vfwadd_wv       110100 . ..... ..... 001 ..... 1010111 @r_vm
> +vfwadd_wf       110100 . ..... ..... 101 ..... 1010111 @r_vm
> +vwadd_wv        110101 . ..... ..... 010 ..... 1010111 @r_vm
> +vwadd_wx        110101 . ..... ..... 110 ..... 1010111 @r_vm
> +vwsubu_wv       110110 . ..... ..... 010 ..... 1010111 @r_vm
> +vwsubu_wx       110110 . ..... ..... 110 ..... 1010111 @r_vm
> +vfwsub_wv       110110 . ..... ..... 001 ..... 1010111 @r_vm
> +vfwsub_wf       110110 . ..... ..... 101 ..... 1010111 @r_vm
> +vwsub_wv        110111 . ..... ..... 010 ..... 1010111 @r_vm
> +vwsub_wx        110111 . ..... ..... 110 ..... 1010111 @r_vm
> +vwmulu_vv       111000 . ..... ..... 010 ..... 1010111 @r_vm
> +vwmulu_vx       111000 . ..... ..... 110 ..... 1010111 @r_vm
> +vfwmul_vv       111000 . ..... ..... 001 ..... 1010111 @r_vm
> +vfwmul_vf       111000 . ..... ..... 101 ..... 1010111 @r_vm
> +vwmulsu_vv      111010 . ..... ..... 010 ..... 1010111 @r_vm
> +vwmulsu_vx      111010 . ..... ..... 110 ..... 1010111 @r_vm
> +vwmul_vv        111011 . ..... ..... 010 ..... 1010111 @r_vm
> +vwmul_vx        111011 . ..... ..... 110 ..... 1010111 @r_vm
> +vwsmaccu_vv     111100 . ..... ..... 000 ..... 1010111 @r_vm
> +vwsmaccu_vx     111100 . ..... ..... 100 ..... 1010111 @r_vm
> +vwmaccu_vv      111100 . ..... ..... 010 ..... 1010111 @r_vm
> +vwmaccu_vx      111100 . ..... ..... 110 ..... 1010111 @r_vm
> +vfwmacc_vv      111100 . ..... ..... 001 ..... 1010111 @r_vm
> +vfwmacc_vf      111100 . ..... ..... 101 ..... 1010111 @r_vm
> +vwsmacc_vv      111101 . ..... ..... 000 ..... 1010111 @r_vm
> +vwsmacc_vx      111101 . ..... ..... 100 ..... 1010111 @r_vm
> +vwmacc_vv       111101 . ..... ..... 010 ..... 1010111 @r_vm
> +vwmacc_vx       111101 . ..... ..... 110 ..... 1010111 @r_vm
> +vfwnmacc_vv     111101 . ..... ..... 001 ..... 1010111 @r_vm
> +vfwnmacc_vf     111101 . ..... ..... 101 ..... 1010111 @r_vm
> +vwsmaccsu_vv    111110 . ..... ..... 000 ..... 1010111 @r_vm
> +vwsmaccsu_vx    111110 . ..... ..... 100 ..... 1010111 @r_vm
> +vwmaccsu_vv     111110 . ..... ..... 010 ..... 1010111 @r_vm
> +vwmaccsu_vx     111110 . ..... ..... 110 ..... 1010111 @r_vm
> +vfwmsac_vv      111110 . ..... ..... 001 ..... 1010111 @r_vm
> +vfwmsac_vf      111110 . ..... ..... 101 ..... 1010111 @r_vm
> +vwsmaccus_vx    111111 . ..... ..... 100 ..... 1010111 @r_vm
> +vwmaccus_vx     111111 . ..... ..... 110 ..... 1010111 @r_vm
> +vfwnmsac_vv     111111 . ..... ..... 001 ..... 1010111 @r_vm
> +vfwnmsac_vf     111111 . ..... ..... 101 ..... 1010111 @r_vm
> +vsetvli         0 ........... ..... 111 ..... 1010111  @r2_zimm
> +vsetvl          1000000 ..... ..... 111 ..... 1010111  @r
> diff --git a/target/riscv/insn_trans/trans_rvv.inc.c
> b/target/riscv/insn_trans/trans_rvv.inc.c
> new file mode 100644
> index 0000000..dc8e6ce
> --- /dev/null
> +++ b/target/riscv/insn_trans/trans_rvv.inc.c
> @@ -0,0 +1,484 @@
> +/*
> + * RISC-V translation routines for the RVV Standard Extension.
> + *
> + * Copyright (c) 2011-2019 C-SKY Limited. All rights reserved.
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms and conditions of the GNU General Public License,
> + * version 2 or later, as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope it will be useful, but WITHOUT
> + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
> + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
> for
> + * more details.
> + *
> + * You should have received a copy of the GNU General Public License
> along with
> + * this program.  If not, see <http://www.gnu.org/licenses/>.
> + */
> +
> +#define GEN_VECTOR_R2_NFVM(INSN) \
> +static bool trans_##INSN(DisasContext *ctx, arg_##INSN * a) \
> +{                                                      \
> +    TCGv_i32 s1 = tcg_const_i32(a->rs1);               \
> +    TCGv_i32 d  = tcg_const_i32(a->rd);                \
> +    TCGv_i32 nf  = tcg_const_i32(a->nf);               \
> +    TCGv_i32 vm = tcg_const_i32(a->vm);                \
> +    gen_helper_vector_##INSN(cpu_env, nf, vm, s1, d);    \
> +    tcg_temp_free_i32(s1);                             \
> +    tcg_temp_free_i32(d);                              \
> +    tcg_temp_free_i32(nf);                             \
> +    tcg_temp_free_i32(vm);                             \
> +    return true;                                       \
> +}
> +#define GEN_VECTOR_R_NFVM(INSN) \
> +static bool trans_##INSN(DisasContext *ctx, arg_##INSN * a) \
> +{                                                      \
> +    TCGv_i32 s1 = tcg_const_i32(a->rs1);               \
> +    TCGv_i32 s2 = tcg_const_i32(a->rs2);               \
> +    TCGv_i32 d  = tcg_const_i32(a->rd);                \
> +    TCGv_i32 nf  = tcg_const_i32(a->nf);               \
> +    TCGv_i32 vm = tcg_const_i32(a->vm);                \
> +    gen_helper_vector_##INSN(cpu_env, nf, vm, s1, s2, d);\
> +    tcg_temp_free_i32(s1);                             \
> +    tcg_temp_free_i32(s2);                             \
> +    tcg_temp_free_i32(d);                              \
> +    tcg_temp_free_i32(nf);                             \
> +    tcg_temp_free_i32(vm);                             \
> +    return true;                                       \
> +}
> +
> +#define GEN_VECTOR_R_WDVM(INSN) \
> +static bool trans_##INSN(DisasContext *ctx, arg_##INSN * a) \
> +{                                                      \
> +    TCGv_i32 s1 = tcg_const_i32(a->rs1);               \
> +    TCGv_i32 s2 = tcg_const_i32(a->rs2);               \
> +    TCGv_i32 d  = tcg_const_i32(a->rd);                \
> +    TCGv_i32 wd  = tcg_const_i32(a->wd);               \
> +    TCGv_i32 vm = tcg_const_i32(a->vm);                \
> +    gen_helper_vector_##INSN(cpu_env, wd, vm, s1, s2, d);\
> +    tcg_temp_free_i32(s1);                             \
> +    tcg_temp_free_i32(s2);                             \
> +    tcg_temp_free_i32(d);                              \
> +    tcg_temp_free_i32(wd);                             \
> +    tcg_temp_free_i32(vm);                             \
> +    return true;                                       \
> +}
> +#define GEN_VECTOR_R(INSN) \
> +static bool trans_##INSN(DisasContext *ctx, arg_##INSN * a) \
> +{                                                      \
> +    TCGv_i32 s1 = tcg_const_i32(a->rs1);               \
> +    TCGv_i32 s2 = tcg_const_i32(a->rs2);               \
> +    TCGv_i32 d  = tcg_const_i32(a->rd);                \
> +    gen_helper_vector_##INSN(cpu_env, s1, s2, d);    \
> +    tcg_temp_free_i32(s1);                             \
> +    tcg_temp_free_i32(s2);                             \
> +    tcg_temp_free_i32(d);                              \
> +    return true;                                       \
> +}
> +#define GEN_VECTOR_R2_VM(INSN) \
> +static bool trans_##INSN(DisasContext *ctx, arg_##INSN * a) \
> +{                                                      \
> +    TCGv_i32 s2 = tcg_const_i32(a->rs2);               \
> +    TCGv_i32 d  = tcg_const_i32(a->rd);                \
> +    TCGv_i32 vm = tcg_const_i32(a->vm);                \
> +    gen_helper_vector_##INSN(cpu_env, vm, s2, d);        \
> +    tcg_temp_free_i32(s2);                             \
> +    tcg_temp_free_i32(d);                              \
> +    tcg_temp_free_i32(vm);                             \
> +    return true;                                       \
> +}
> +
> +#define GEN_VECTOR_R1_VM(INSN) \
> +static bool trans_##INSN(DisasContext *ctx, arg_##INSN * a) \
> +{                                                      \
> +    TCGv_i32 d  = tcg_const_i32(a->rd);                \
> +    TCGv_i32 vm = tcg_const_i32(a->vm);                \
> +    gen_helper_vector_##INSN(cpu_env, vm, d);        \
> +    tcg_temp_free_i32(d);                              \
> +    tcg_temp_free_i32(vm);                             \
> +    return true;                                       \
> +}
> +#define GEN_VECTOR_R_VM(INSN) \
> +static bool trans_##INSN(DisasContext *ctx, arg_##INSN * a) \
> +{                                                      \
> +    TCGv_i32 s1 = tcg_const_i32(a->rs1);               \
> +    TCGv_i32 s2 = tcg_const_i32(a->rs2);               \
> +    TCGv_i32 d  = tcg_const_i32(a->rd);                \
> +    TCGv_i32 vm = tcg_const_i32(a->vm);                \
> +    gen_helper_vector_##INSN(cpu_env, vm, s1, s2, d);    \
> +    tcg_temp_free_i32(s1);                             \
> +    tcg_temp_free_i32(s2);                             \
> +    tcg_temp_free_i32(d);                              \
> +    tcg_temp_free_i32(vm);                             \
> +    return true;                                       \
> +}
> +#define GEN_VECTOR_R2_ZIMM(INSN) \
> +static bool trans_##INSN(DisasContext *ctx, arg_##INSN * a) \
> +{                                                      \
> +    TCGv_i32 s1 = tcg_const_i32(a->rs1);               \
> +    TCGv_i32 zimm = tcg_const_i32(a->zimm);            \
> +    TCGv_i32 d  = tcg_const_i32(a->rd);                \
> +    gen_helper_vector_##INSN(cpu_env, s1, zimm, d);      \
> +    tcg_temp_free_i32(s1);                             \
> +    tcg_temp_free_i32(zimm);                           \
> +    tcg_temp_free_i32(d);                              \
> +    return true;                                       \
> +}
> +
> +GEN_VECTOR_R2_NFVM(vlb_v)
> +GEN_VECTOR_R2_NFVM(vlh_v)
> +GEN_VECTOR_R2_NFVM(vlw_v)
> +GEN_VECTOR_R2_NFVM(vle_v)
> +GEN_VECTOR_R2_NFVM(vlbu_v)
> +GEN_VECTOR_R2_NFVM(vlhu_v)
> +GEN_VECTOR_R2_NFVM(vlwu_v)
> +GEN_VECTOR_R2_NFVM(vlbff_v)
> +GEN_VECTOR_R2_NFVM(vlhff_v)
> +GEN_VECTOR_R2_NFVM(vlwff_v)
> +GEN_VECTOR_R2_NFVM(vleff_v)
> +GEN_VECTOR_R2_NFVM(vlbuff_v)
> +GEN_VECTOR_R2_NFVM(vlhuff_v)
> +GEN_VECTOR_R2_NFVM(vlwuff_v)
> +GEN_VECTOR_R2_NFVM(vsb_v)
> +GEN_VECTOR_R2_NFVM(vsh_v)
> +GEN_VECTOR_R2_NFVM(vsw_v)
> +GEN_VECTOR_R2_NFVM(vse_v)
> +
> +GEN_VECTOR_R_NFVM(vlsb_v)
> +GEN_VECTOR_R_NFVM(vlsh_v)
> +GEN_VECTOR_R_NFVM(vlsw_v)
> +GEN_VECTOR_R_NFVM(vlse_v)
> +GEN_VECTOR_R_NFVM(vlsbu_v)
> +GEN_VECTOR_R_NFVM(vlshu_v)
> +GEN_VECTOR_R_NFVM(vlswu_v)
> +GEN_VECTOR_R_NFVM(vssb_v)
> +GEN_VECTOR_R_NFVM(vssh_v)
> +GEN_VECTOR_R_NFVM(vssw_v)
> +GEN_VECTOR_R_NFVM(vsse_v)
> +GEN_VECTOR_R_NFVM(vlxb_v)
> +GEN_VECTOR_R_NFVM(vlxh_v)
> +GEN_VECTOR_R_NFVM(vlxw_v)
> +GEN_VECTOR_R_NFVM(vlxe_v)
> +GEN_VECTOR_R_NFVM(vlxbu_v)
> +GEN_VECTOR_R_NFVM(vlxhu_v)
> +GEN_VECTOR_R_NFVM(vlxwu_v)
> +GEN_VECTOR_R_NFVM(vsxb_v)
> +GEN_VECTOR_R_NFVM(vsxh_v)
> +GEN_VECTOR_R_NFVM(vsxw_v)
> +GEN_VECTOR_R_NFVM(vsxe_v)
> +GEN_VECTOR_R_NFVM(vsuxb_v)
> +GEN_VECTOR_R_NFVM(vsuxh_v)
> +GEN_VECTOR_R_NFVM(vsuxw_v)
> +GEN_VECTOR_R_NFVM(vsuxe_v)
> +
> +GEN_VECTOR_R_WDVM(vamoswapw_v)
> +GEN_VECTOR_R_WDVM(vamoswapd_v)
> +GEN_VECTOR_R_WDVM(vamoaddw_v)
> +GEN_VECTOR_R_WDVM(vamoaddd_v)
> +GEN_VECTOR_R_WDVM(vamoxorw_v)
> +GEN_VECTOR_R_WDVM(vamoxord_v)
> +GEN_VECTOR_R_WDVM(vamoandw_v)
> +GEN_VECTOR_R_WDVM(vamoandd_v)
> +GEN_VECTOR_R_WDVM(vamoorw_v)
> +GEN_VECTOR_R_WDVM(vamoord_v)
> +GEN_VECTOR_R_WDVM(vamominw_v)
> +GEN_VECTOR_R_WDVM(vamomind_v)
> +GEN_VECTOR_R_WDVM(vamomaxw_v)
> +GEN_VECTOR_R_WDVM(vamomaxd_v)
> +GEN_VECTOR_R_WDVM(vamominuw_v)
> +GEN_VECTOR_R_WDVM(vamominud_v)
> +GEN_VECTOR_R_WDVM(vamomaxuw_v)
> +GEN_VECTOR_R_WDVM(vamomaxud_v)
> +
> +GEN_VECTOR_R(vext_x_v)
> +GEN_VECTOR_R(vfmv_f_s)
> +GEN_VECTOR_R(vmv_s_x)
> +GEN_VECTOR_R(vfmv_s_f)
> +GEN_VECTOR_R(vadc_vvm)
> +GEN_VECTOR_R(vadc_vxm)
> +GEN_VECTOR_R(vadc_vim)
> +GEN_VECTOR_R(vmadc_vvm)
> +GEN_VECTOR_R(vmadc_vxm)
> +GEN_VECTOR_R(vmadc_vim)
> +GEN_VECTOR_R(vsbc_vvm)
> +GEN_VECTOR_R(vsbc_vxm)
> +GEN_VECTOR_R(vmsbc_vvm)
> +GEN_VECTOR_R(vmsbc_vxm)
> +GEN_VECTOR_R2_VM(vmpopc_m)
> +GEN_VECTOR_R2_VM(vmfirst_m)
> +GEN_VECTOR_R(vcompress_vm)
> +GEN_VECTOR_R(vmandnot_mm)
> +GEN_VECTOR_R(vmand_mm)
> +GEN_VECTOR_R(vmor_mm)
> +GEN_VECTOR_R(vmxor_mm)
> +GEN_VECTOR_R(vmornot_mm)
> +GEN_VECTOR_R(vmnand_mm)
> +GEN_VECTOR_R(vmnor_mm)
> +GEN_VECTOR_R(vmxnor_mm)
> +GEN_VECTOR_R2_VM(vmsbf_m)
> +GEN_VECTOR_R2_VM(vmsof_m)
> +GEN_VECTOR_R2_VM(vmsif_m)
> +GEN_VECTOR_R2_VM(viota_m)
> +GEN_VECTOR_R1_VM(vid_v)
> +GEN_VECTOR_R2_VM(vfcvt_xu_f_v)
> +GEN_VECTOR_R2_VM(vfcvt_x_f_v)
> +GEN_VECTOR_R2_VM(vfcvt_f_xu_v)
> +GEN_VECTOR_R2_VM(vfcvt_f_x_v)
> +GEN_VECTOR_R2_VM(vfwcvt_xu_f_v)
> +GEN_VECTOR_R2_VM(vfwcvt_x_f_v)
> +GEN_VECTOR_R2_VM(vfwcvt_f_xu_v)
> +GEN_VECTOR_R2_VM(vfwcvt_f_x_v)
> +GEN_VECTOR_R2_VM(vfwcvt_f_f_v)
> +GEN_VECTOR_R2_VM(vfncvt_xu_f_v)
> +GEN_VECTOR_R2_VM(vfncvt_x_f_v)
> +GEN_VECTOR_R2_VM(vfncvt_f_xu_v)
> +GEN_VECTOR_R2_VM(vfncvt_f_x_v)
> +GEN_VECTOR_R2_VM(vfncvt_f_f_v)
> +GEN_VECTOR_R2_VM(vfsqrt_v)
> +GEN_VECTOR_R2_VM(vfclass_v)
> +
> +GEN_VECTOR_R_VM(vadd_vv)
> +GEN_VECTOR_R_VM(vadd_vx)
> +GEN_VECTOR_R_VM(vadd_vi)
> +GEN_VECTOR_R_VM(vredsum_vs)
> +GEN_VECTOR_R_VM(vfadd_vv)
> +GEN_VECTOR_R_VM(vfadd_vf)
> +GEN_VECTOR_R_VM(vredand_vs)
> +GEN_VECTOR_R_VM(vfredsum_vs)
> +GEN_VECTOR_R_VM(vsub_vv)
> +GEN_VECTOR_R_VM(vsub_vx)
> +GEN_VECTOR_R_VM(vredor_vs)
> +GEN_VECTOR_R_VM(vfsub_vv)
> +GEN_VECTOR_R_VM(vfsub_vf)
> +GEN_VECTOR_R_VM(vrsub_vx)
> +GEN_VECTOR_R_VM(vrsub_vi)
> +GEN_VECTOR_R_VM(vredxor_vs)
> +GEN_VECTOR_R_VM(vfredosum_vs)
> +GEN_VECTOR_R_VM(vminu_vv)
> +GEN_VECTOR_R_VM(vminu_vx)
> +GEN_VECTOR_R_VM(vredminu_vs)
> +GEN_VECTOR_R_VM(vfmin_vv)
> +GEN_VECTOR_R_VM(vfmin_vf)
> +GEN_VECTOR_R_VM(vmin_vv)
> +GEN_VECTOR_R_VM(vmin_vx)
> +GEN_VECTOR_R_VM(vredmin_vs)
> +GEN_VECTOR_R_VM(vfredmin_vs)
> +GEN_VECTOR_R_VM(vmaxu_vv)
> +GEN_VECTOR_R_VM(vmaxu_vx)
> +GEN_VECTOR_R_VM(vredmaxu_vs)
> +GEN_VECTOR_R_VM(vfmax_vv)
> +GEN_VECTOR_R_VM(vfmax_vf)
> +GEN_VECTOR_R_VM(vmax_vv)
> +GEN_VECTOR_R_VM(vmax_vx)
> +GEN_VECTOR_R_VM(vredmax_vs)
> +GEN_VECTOR_R_VM(vfredmax_vs)
> +GEN_VECTOR_R_VM(vfsgnj_vv)
> +GEN_VECTOR_R_VM(vfsgnj_vf)
> +GEN_VECTOR_R_VM(vand_vv)
> +GEN_VECTOR_R_VM(vand_vx)
> +GEN_VECTOR_R_VM(vand_vi)
> +GEN_VECTOR_R_VM(vfsgnjn_vv)
> +GEN_VECTOR_R_VM(vfsgnjn_vf)
> +GEN_VECTOR_R_VM(vor_vv)
> +GEN_VECTOR_R_VM(vor_vx)
> +GEN_VECTOR_R_VM(vor_vi)
> +GEN_VECTOR_R_VM(vfsgnjx_vv)
> +GEN_VECTOR_R_VM(vfsgnjx_vf)
> +GEN_VECTOR_R_VM(vxor_vv)
> +GEN_VECTOR_R_VM(vxor_vx)
> +GEN_VECTOR_R_VM(vxor_vi)
> +GEN_VECTOR_R_VM(vrgather_vv)
> +GEN_VECTOR_R_VM(vrgather_vx)
> +GEN_VECTOR_R_VM(vrgather_vi)
> +GEN_VECTOR_R_VM(vslideup_vx)
> +GEN_VECTOR_R_VM(vslideup_vi)
> +GEN_VECTOR_R_VM(vslide1up_vx)
> +GEN_VECTOR_R_VM(vslidedown_vx)
> +GEN_VECTOR_R_VM(vslidedown_vi)
> +GEN_VECTOR_R_VM(vslide1down_vx)
> +GEN_VECTOR_R_VM(vmerge_vvm)
> +GEN_VECTOR_R_VM(vmerge_vxm)
> +GEN_VECTOR_R_VM(vmerge_vim)
> +GEN_VECTOR_R_VM(vfmerge_vfm)
> +GEN_VECTOR_R_VM(vmseq_vv)
> +GEN_VECTOR_R_VM(vmseq_vx)
> +GEN_VECTOR_R_VM(vmseq_vi)
> +GEN_VECTOR_R_VM(vmfeq_vv)
> +GEN_VECTOR_R_VM(vmfeq_vf)
> +GEN_VECTOR_R_VM(vmsne_vv)
> +GEN_VECTOR_R_VM(vmsne_vx)
> +GEN_VECTOR_R_VM(vmsne_vi)
> +GEN_VECTOR_R_VM(vmfle_vv)
> +GEN_VECTOR_R_VM(vmfle_vf)
> +GEN_VECTOR_R_VM(vmsltu_vv)
> +GEN_VECTOR_R_VM(vmsltu_vx)
> +GEN_VECTOR_R_VM(vmford_vv)
> +GEN_VECTOR_R_VM(vmford_vf)
> +GEN_VECTOR_R_VM(vmslt_vv)
> +GEN_VECTOR_R_VM(vmslt_vx)
> +GEN_VECTOR_R_VM(vmflt_vv)
> +GEN_VECTOR_R_VM(vmflt_vf)
> +GEN_VECTOR_R_VM(vmsleu_vv)
> +GEN_VECTOR_R_VM(vmsleu_vx)
> +GEN_VECTOR_R_VM(vmsleu_vi)
> +GEN_VECTOR_R_VM(vmfne_vv)
> +GEN_VECTOR_R_VM(vmfne_vf)
> +GEN_VECTOR_R_VM(vmsle_vv)
> +GEN_VECTOR_R_VM(vmsle_vx)
> +GEN_VECTOR_R_VM(vmsle_vi)
> +GEN_VECTOR_R_VM(vmfgt_vf)
> +GEN_VECTOR_R_VM(vmsgtu_vx)
> +GEN_VECTOR_R_VM(vmsgtu_vi)
> +GEN_VECTOR_R_VM(vmsgt_vx)
> +GEN_VECTOR_R_VM(vmsgt_vi)
> +GEN_VECTOR_R_VM(vmfge_vf)
> +GEN_VECTOR_R_VM(vsaddu_vv)
> +GEN_VECTOR_R_VM(vsaddu_vx)
> +GEN_VECTOR_R_VM(vsaddu_vi)
> +GEN_VECTOR_R_VM(vdivu_vv)
> +GEN_VECTOR_R_VM(vdivu_vx)
> +GEN_VECTOR_R_VM(vfdiv_vv)
> +GEN_VECTOR_R_VM(vfdiv_vf)
> +GEN_VECTOR_R_VM(vsadd_vv)
> +GEN_VECTOR_R_VM(vsadd_vx)
> +GEN_VECTOR_R_VM(vsadd_vi)
> +GEN_VECTOR_R_VM(vdiv_vv)
> +GEN_VECTOR_R_VM(vdiv_vx)
> +GEN_VECTOR_R_VM(vfrdiv_vf)
> +GEN_VECTOR_R_VM(vssubu_vv)
> +GEN_VECTOR_R_VM(vssubu_vx)
> +GEN_VECTOR_R_VM(vremu_vv)
> +GEN_VECTOR_R_VM(vremu_vx)
> +GEN_VECTOR_R_VM(vssub_vv)
> +GEN_VECTOR_R_VM(vssub_vx)
> +GEN_VECTOR_R_VM(vrem_vv)
> +GEN_VECTOR_R_VM(vrem_vx)
> +GEN_VECTOR_R_VM(vaadd_vv)
> +GEN_VECTOR_R_VM(vaadd_vx)
> +GEN_VECTOR_R_VM(vaadd_vi)
> +GEN_VECTOR_R_VM(vmulhu_vv)
> +GEN_VECTOR_R_VM(vmulhu_vx)
> +GEN_VECTOR_R_VM(vfmul_vv)
> +GEN_VECTOR_R_VM(vfmul_vf)
> +GEN_VECTOR_R_VM(vsll_vv)
> +GEN_VECTOR_R_VM(vsll_vx)
> +GEN_VECTOR_R_VM(vsll_vi)
> +GEN_VECTOR_R_VM(vmul_vv)
> +GEN_VECTOR_R_VM(vmul_vx)
> +GEN_VECTOR_R_VM(vasub_vv)
> +GEN_VECTOR_R_VM(vasub_vx)
> +GEN_VECTOR_R_VM(vmulhsu_vv)
> +GEN_VECTOR_R_VM(vmulhsu_vx)
> +GEN_VECTOR_R_VM(vsmul_vv)
> +GEN_VECTOR_R_VM(vsmul_vx)
> +GEN_VECTOR_R_VM(vmulh_vv)
> +GEN_VECTOR_R_VM(vmulh_vx)
> +GEN_VECTOR_R_VM(vfrsub_vf)
> +GEN_VECTOR_R_VM(vsrl_vv)
> +GEN_VECTOR_R_VM(vsrl_vx)
> +GEN_VECTOR_R_VM(vsrl_vi)
> +GEN_VECTOR_R_VM(vfmadd_vv)
> +GEN_VECTOR_R_VM(vfmadd_vf)
> +GEN_VECTOR_R_VM(vsra_vv)
> +GEN_VECTOR_R_VM(vsra_vx)
> +GEN_VECTOR_R_VM(vsra_vi)
> +GEN_VECTOR_R_VM(vmadd_vv)
> +GEN_VECTOR_R_VM(vmadd_vx)
> +GEN_VECTOR_R_VM(vfnmadd_vv)
> +GEN_VECTOR_R_VM(vfnmadd_vf)
> +GEN_VECTOR_R_VM(vssrl_vv)
> +GEN_VECTOR_R_VM(vssrl_vx)
> +GEN_VECTOR_R_VM(vssrl_vi)
> +GEN_VECTOR_R_VM(vfmsub_vv)
> +GEN_VECTOR_R_VM(vfmsub_vf)
> +GEN_VECTOR_R_VM(vssra_vv)
> +GEN_VECTOR_R_VM(vssra_vx)
> +GEN_VECTOR_R_VM(vssra_vi)
> +GEN_VECTOR_R_VM(vnmsub_vv)
> +GEN_VECTOR_R_VM(vnmsub_vx)
> +GEN_VECTOR_R_VM(vfnmsub_vv)
> +GEN_VECTOR_R_VM(vfnmsub_vf)
> +GEN_VECTOR_R_VM(vnsrl_vv)
> +GEN_VECTOR_R_VM(vnsrl_vx)
> +GEN_VECTOR_R_VM(vnsrl_vi)
> +GEN_VECTOR_R_VM(vfmacc_vv)
> +GEN_VECTOR_R_VM(vfmacc_vf)
> +GEN_VECTOR_R_VM(vnsra_vv)
> +GEN_VECTOR_R_VM(vnsra_vx)
> +GEN_VECTOR_R_VM(vnsra_vi)
> +GEN_VECTOR_R_VM(vmacc_vv)
> +GEN_VECTOR_R_VM(vmacc_vx)
> +GEN_VECTOR_R_VM(vfnmacc_vv)
> +GEN_VECTOR_R_VM(vfnmacc_vf)
> +GEN_VECTOR_R_VM(vnclipu_vv)
> +GEN_VECTOR_R_VM(vnclipu_vx)
> +GEN_VECTOR_R_VM(vnclipu_vi)
> +GEN_VECTOR_R_VM(vfmsac_vv)
> +GEN_VECTOR_R_VM(vfmsac_vf)
> +GEN_VECTOR_R_VM(vnclip_vv)
> +GEN_VECTOR_R_VM(vnclip_vx)
> +GEN_VECTOR_R_VM(vnclip_vi)
> +GEN_VECTOR_R_VM(vnmsac_vv)
> +GEN_VECTOR_R_VM(vnmsac_vx)
> +GEN_VECTOR_R_VM(vfnmsac_vv)
> +GEN_VECTOR_R_VM(vfnmsac_vf)
> +GEN_VECTOR_R_VM(vwredsumu_vs)
> +GEN_VECTOR_R_VM(vwaddu_vv)
> +GEN_VECTOR_R_VM(vwaddu_vx)
> +GEN_VECTOR_R_VM(vfwadd_vv)
> +GEN_VECTOR_R_VM(vfwadd_vf)
> +GEN_VECTOR_R_VM(vwredsum_vs)
> +GEN_VECTOR_R_VM(vwadd_vv)
> +GEN_VECTOR_R_VM(vwadd_vx)
> +GEN_VECTOR_R_VM(vfwredsum_vs)
> +GEN_VECTOR_R_VM(vwsubu_vv)
> +GEN_VECTOR_R_VM(vwsubu_vx)
> +GEN_VECTOR_R_VM(vfwsub_vv)
> +GEN_VECTOR_R_VM(vfwsub_vf)
> +GEN_VECTOR_R_VM(vwsub_vv)
> +GEN_VECTOR_R_VM(vwsub_vx)
> +GEN_VECTOR_R_VM(vfwredosum_vs)
> +GEN_VECTOR_R_VM(vwaddu_wv)
> +GEN_VECTOR_R_VM(vwaddu_wx)
> +GEN_VECTOR_R_VM(vfwadd_wv)
> +GEN_VECTOR_R_VM(vfwadd_wf)
> +GEN_VECTOR_R_VM(vwadd_wv)
> +GEN_VECTOR_R_VM(vwadd_wx)
> +GEN_VECTOR_R_VM(vwsubu_wv)
> +GEN_VECTOR_R_VM(vwsubu_wx)
> +GEN_VECTOR_R_VM(vfwsub_wv)
> +GEN_VECTOR_R_VM(vfwsub_wf)
> +GEN_VECTOR_R_VM(vwsub_wv)
> +GEN_VECTOR_R_VM(vwsub_wx)
> +GEN_VECTOR_R_VM(vwmulu_vv)
> +GEN_VECTOR_R_VM(vwmulu_vx)
> +GEN_VECTOR_R_VM(vfwmul_vv)
> +GEN_VECTOR_R_VM(vfwmul_vf)
> +GEN_VECTOR_R_VM(vwmulsu_vv)
> +GEN_VECTOR_R_VM(vwmulsu_vx)
> +GEN_VECTOR_R_VM(vwmul_vv)
> +GEN_VECTOR_R_VM(vwmul_vx)
> +GEN_VECTOR_R_VM(vwsmaccu_vv)
> +GEN_VECTOR_R_VM(vwsmaccu_vx)
> +GEN_VECTOR_R_VM(vwmaccu_vv)
> +GEN_VECTOR_R_VM(vwmaccu_vx)
> +GEN_VECTOR_R_VM(vfwmacc_vv)
> +GEN_VECTOR_R_VM(vfwmacc_vf)
> +GEN_VECTOR_R_VM(vwsmacc_vv)
> +GEN_VECTOR_R_VM(vwsmacc_vx)
> +GEN_VECTOR_R_VM(vwmacc_vv)
> +GEN_VECTOR_R_VM(vwmacc_vx)
> +GEN_VECTOR_R_VM(vfwnmacc_vv)
> +GEN_VECTOR_R_VM(vfwnmacc_vf)
> +GEN_VECTOR_R_VM(vwsmaccsu_vv)
> +GEN_VECTOR_R_VM(vwsmaccsu_vx)
> +GEN_VECTOR_R_VM(vwmaccsu_vv)
> +GEN_VECTOR_R_VM(vwmaccsu_vx)
> +GEN_VECTOR_R_VM(vfwmsac_vv)
> +GEN_VECTOR_R_VM(vfwmsac_vf)
> +GEN_VECTOR_R_VM(vwsmaccus_vx)
> +GEN_VECTOR_R_VM(vwmaccus_vx)
> +GEN_VECTOR_R_VM(vfwnmsac_vv)
> +GEN_VECTOR_R_VM(vfwnmsac_vf)
> +GEN_VECTOR_R2_ZIMM(vsetvli)
> +GEN_VECTOR_R(vsetvl)
> diff --git a/target/riscv/translate.c b/target/riscv/translate.c
> index 8d6ab73..587c23e 100644
> --- a/target/riscv/translate.c
> +++ b/target/riscv/translate.c
> @@ -706,6 +706,7 @@ static bool gen_shift(DisasContext *ctx, arg_r *a,
>  #include "insn_trans/trans_rva.inc.c"
>  #include "insn_trans/trans_rvf.inc.c"
>  #include "insn_trans/trans_rvd.inc.c"
> +#include "insn_trans/trans_rvv.inc.c"
>  #include "insn_trans/trans_privileged.inc.c"
>
>  /*
> diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
> new file mode 100644
> index 0000000..1f8f1ec
> --- /dev/null
> +++ b/target/riscv/vector_helper.c
> @@ -0,0 +1,26563 @@
> +/*
> + * RISC-V Vectore Extension Helpers for QEMU.
> + *
> + * Copyright (c) 2011-2019 C-SKY Limited. All rights reserved.
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms and conditions of the GNU General Public License,
> + * version 2 or later, as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope it will be useful, but WITHOUT
> + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
> + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
> for
> + * more details.
> + *
> + * You should have received a copy of the GNU General Public License
> along with
> + * this program.  If not, see <http://www.gnu.org/licenses/>.
> + */
> +
> +#include "qemu/osdep.h"
> +#include "qemu/log.h"
> +#include "cpu.h"
> +#include "qemu/main-loop.h"
> +#include "exec/exec-all.h"
> +#include "exec/helper-proto.h"
> +#include "exec/translator.h"
> +#include "exec/cpu_ldst.h"
> +#include <math.h>
> +#include "instmap.h"
> +
> +#define VECTOR_HELPER(name) HELPER(glue(vector_, name))
> +#define SIGNBIT8    (1 << 7)
> +#define MAX_U8      ((uint8_t)0xff)
> +#define MIN_U8      ((uint8_t)0x0)
> +#define MAX_S8      ((int8_t)0x7f)
> +#define MIN_S8      ((int8_t)0x80)
> +#define SIGNBIT16   (1 << 15)
> +#define MAX_U16     ((uint16_t)0xffff)
> +#define MIN_U16     ((uint16_t)0x0)
> +#define MAX_S16     ((int16_t)0x7fff)
> +#define MIN_S16     ((int16_t)0x8000)
> +#define SIGNBIT32   (1 << 31)
> +#define MAX_U32     ((uint32_t)0xffffffff)
> +#define MIN_U32     ((uint32_t)0x0)
> +#define MAX_S32     ((int32_t)0x7fffffff)
> +#define MIN_S32     ((int32_t)0x80000000)
> +#define SIGNBIT64   ((uint64_t)1 << 63)
> +#define MAX_U64     ((uint64_t)0xffffffffffffffff)
> +#define MIN_U64     ((uint64_t)0x0)
> +#define MAX_S64     ((int64_t)0x7fffffffffffffff)
> +#define MIN_S64     ((int64_t)0x8000000000000000)
> +
> +static int64_t sign_extend(int64_t a, int8_t width)
> +{
> +    return a << (64 - width) >> (64 - width);
> +}
> +
> +static int64_t extend_gpr(target_ulong reg)
> +{
> +    return sign_extend(reg, sizeof(target_ulong) * 8);
> +}
> +
> +static target_ulong vector_get_index(CPURISCVState *env, int rs1, int rs2,
> +    int index, int mem, int width, int nf)
> +{
> +    target_ulong abs_off, base = env->gpr[rs1];
> +    target_long offset;
> +    switch (width) {
> +    case 8:
> +        offset = sign_extend(env->vfp.vreg[rs2].s8[index], 8) + nf * mem;
> +        break;
> +    case 16:
> +        offset = sign_extend(env->vfp.vreg[rs2].s16[index], 16) + nf *
> mem;
> +        break;
> +    case 32:
> +        offset = sign_extend(env->vfp.vreg[rs2].s32[index], 32) + nf *
> mem;
> +        break;
> +    case 64:
> +        offset = env->vfp.vreg[rs2].s64[index] + nf * mem;
> +        break;
> +    default:
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return 0;
> +    }
> +    if (offset < 0) {
> +        abs_off = ~offset + 1;
> +        if (base >= abs_off) {
> +            return base - abs_off;
> +        }
> +    } else {
> +        if ((target_ulong)((target_ulong)offset + base) >= base) {
> +            return (target_ulong)offset + base;
> +        }
> +    }
> +    riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +    return 0;
> +}
> +
> +
> +
> +/* ADD/SUB/COMPARE instructions. */
> +static inline uint8_t sat_add_u8(CPURISCVState *env, uint8_t a, uint8_t b)
> +{
> +    uint8_t res = a + b;
> +    if (res < a) {
> +        res = MAX_U8;
> +        env->vfp.vxsat = 0x1;
> +
> +    }
> +    return res;
> +}
> +
> +static inline uint16_t sat_add_u16(CPURISCVState *env, uint16_t a,
> uint16_t b)
> +{
> +    uint16_t res = a + b;
> +    if (res < a) {
> +        res = MAX_U16;
> +        env->vfp.vxsat = 0x1;
> +
> +    }
> +    return res;
> +}
> +
> +static inline uint32_t sat_add_u32(CPURISCVState *env, uint32_t a,
> uint32_t b)
> +{
> +    uint32_t res = a + b;
> +    if (res < a) {
> +        res = MAX_U32;
> +        env->vfp.vxsat = 0x1;
> +
> +    }
> +    return res;
> +}
> +
> +static inline uint64_t sat_add_u64(CPURISCVState *env, uint64_t a,
> uint64_t b)
> +{
> +    uint64_t res = a + b;
> +    if (res < a) {
> +        res = MAX_U64;
> +        env->vfp.vxsat = 0x1;
> +
> +    }
> +    return res;
> +}
> +
> +static inline uint8_t sat_add_s8(CPURISCVState *env, uint8_t a, uint8_t b)
> +{
> +    uint8_t res = a + b;
> +    if (((res ^ a) & SIGNBIT8) && !((a ^ b) & SIGNBIT8)) {
> +        res = ~(((int8_t)a >> 7) ^ SIGNBIT8);
> +        env->vfp.vxsat = 0x1;
> +
> +    }
> +    return res;
> +}
> +
> +static inline uint16_t sat_add_s16(CPURISCVState *env, uint16_t a,
> uint16_t b)
> +{
> +    uint16_t res = a + b;
> +    if (((res ^ a) & SIGNBIT16) && !((a ^ b) & SIGNBIT16)) {
> +        res = ~(((int16_t)a >> 15) ^ SIGNBIT16);
> +        env->vfp.vxsat = 0x1;
> +
> +    }
> +    return res;
> +}
> +
> +static inline uint32_t sat_add_s32(CPURISCVState *env, uint32_t a,
> uint32_t b)
> +{
> +    uint32_t res = a + b;
> +    if (((res ^ a) & SIGNBIT32) && !((a ^ b) & SIGNBIT32)) {
> +        res = ~(((int32_t)a >> 31) ^ SIGNBIT32);
> +        env->vfp.vxsat = 0x1;
> +
> +    }
> +    return res;
> +}
> +
> +static inline uint64_t sat_add_s64(CPURISCVState *env, uint64_t a,
> uint64_t b)
> +{
> +    uint64_t res = a + b;
> +    if (((res ^ a) & SIGNBIT64) && !((a ^ b) & SIGNBIT64)) {
> +        res = ~(((int64_t)a >> 63) ^ SIGNBIT64);
> +        env->vfp.vxsat = 0x1;
> +
> +    }
> +    return res;
> +}
> +
> +static inline uint8_t sat_sub_u8(CPURISCVState *env, uint8_t a, uint8_t b)
> +{
> +    uint8_t res = a - b;
> +    if (res > a) {
> +        res = 0;
> +        env->vfp.vxsat = 0x1;
> +
> +    }
> +    return res;
> +}
> +
> +static inline uint16_t sat_sub_u16(CPURISCVState *env, uint16_t a,
> uint16_t b)
> +{
> +    uint16_t res = a - b;
> +    if (res > a) {
> +        res = 0;
> +        env->vfp.vxsat = 0x1;
> +
> +    }
> +    return res;
> +}
> +
> +static inline uint32_t sat_sub_u32(CPURISCVState *env, uint32_t a,
> uint32_t b)
> +{
> +    uint32_t res = a - b;
> +    if (res > a) {
> +        res = 0;
> +        env->vfp.vxsat = 0x1;
> +
> +    }
> +    return res;
> +}
> +
> +static inline uint64_t sat_sub_u64(CPURISCVState *env, uint64_t a,
> uint64_t b)
> +{
> +    uint64_t res = a - b;
> +    if (res > a) {
> +        res = 0;
> +        env->vfp.vxsat = 0x1;
> +
> +    }
> +    return res;
> +}
> +
> +static inline uint8_t sat_sub_s8(CPURISCVState *env, uint8_t a, uint8_t b)
> +{
> +    uint8_t res = a - b;
> +    if (((res ^ a) & SIGNBIT8) && ((a ^ b) & SIGNBIT8)) {
> +        res = ~(((int8_t)a >> 7) ^ SIGNBIT8);
> +        env->vfp.vxsat = 0x1;
> +
> +    }
> +    return res;
> +}
> +
> +static inline uint16_t sat_sub_s16(CPURISCVState *env, uint16_t a,
> uint16_t b)
> +{
> +    uint16_t res = a - b;
> +    if (((res ^ a) & SIGNBIT16) && ((a ^ b) & SIGNBIT16)) {
> +        res = ~(((int16_t)a >> 15) ^ SIGNBIT16);
> +        env->vfp.vxsat = 0x1;
> +
> +    }
> +    return res;
> +}
> +
> +static inline uint32_t sat_sub_s32(CPURISCVState *env, uint32_t a,
> uint32_t b)
> +{
> +    uint32_t res = a - b;
> +    if (((res ^ a) & SIGNBIT32) && ((a ^ b) & SIGNBIT32)) {
> +        res = ~(((int32_t)a >> 31) ^ SIGNBIT32);
> +        env->vfp.vxsat = 0x1;
> +
> +    }
> +    return res;
> +}
> +
> +static inline uint64_t sat_sub_s64(CPURISCVState *env, uint64_t a,
> uint64_t b)
> +{
> +    uint64_t res = a - b;
> +    if (((res ^ a) & SIGNBIT64) && ((a ^ b) & SIGNBIT64)) {
> +        res = ~(((int64_t)a >> 63) ^ SIGNBIT64);
> +        env->vfp.vxsat = 0x1;
> +
> +    }
> +    return res;
> +}
> +
> +static uint64_t fix_data_round(CPURISCVState *env, uint64_t result,
> +        uint8_t shift)
> +{
> +    uint64_t lsb_1 = (uint64_t)1 << shift;
> +    int mod   = env->vfp.vxrm;
> +    int mask  = ((uint64_t)1 << shift) - 1;
> +
> +    if (mod == 0x0) { /* rnu */
> +        return lsb_1 >> 1;
> +    } else if (mod == 0x1) { /* rne */
> +        if ((result & mask) > (lsb_1 >> 1) ||
> +                (((result & mask) == (lsb_1 >> 1)) &&
> +                 (((result >> shift) & 0x1)) == 1)) {
> +            return lsb_1 >> 1;
> +        }
> +    } else if (mod == 0x3) { /* rod */
> +        if (((result & mask) >= 0x1) && (((result >> shift) & 0x1) == 0))
> {
> +            return lsb_1;
> +        }
> +    }
> +    return 0;
> +}
> +
> +static int8_t saturate_s8(CPURISCVState *env, int16_t res)
> +{
> +    if (res > MAX_S8) {
> +        env->vfp.vxsat = 0x1;
> +        return MAX_S8;
> +    } else if (res < MIN_S8) {
> +        env->vfp.vxsat = 0x1;
> +        return MIN_S8;
> +    } else {
> +        return res;
> +    }
> +}
> +
> +static uint8_t saturate_u8(CPURISCVState *env, uint16_t res)
> +{
> +    if (res > MAX_U8) {
> +        env->vfp.vxsat = 0x1;
> +        return MAX_U8;
> +    } else {
> +        return res;
> +    }
> +}
> +
> +static uint16_t saturate_u16(CPURISCVState *env, uint32_t res)
> +{
> +    if (res > MAX_U16) {
> +        env->vfp.vxsat = 0x1;
> +        return MAX_U16;
> +    } else {
> +        return res;
> +    }
> +}
> +
> +static uint32_t saturate_u32(CPURISCVState *env, uint64_t res)
> +{
> +    if (res > MAX_U32) {
> +        env->vfp.vxsat = 0x1;
> +        return MAX_U32;
> +    } else {
> +        return res;
> +    }
> +}
> +
> +static int16_t saturate_s16(CPURISCVState *env, int32_t res)
> +{
> +    if (res > MAX_S16) {
> +        env->vfp.vxsat = 0x1;
> +        return MAX_S16;
> +    } else if (res < MIN_S16) {
> +        env->vfp.vxsat = 0x1;
> +        return MIN_S16;
> +    } else {
> +        return res;
> +    }
> +}
> +
> +static int32_t saturate_s32(CPURISCVState *env, int64_t res)
> +{
> +    if (res > MAX_S32) {
> +        env->vfp.vxsat = 0x1;
> +        return MAX_S32;
> +    } else if (res < MIN_S32) {
> +        env->vfp.vxsat = 0x1;
> +        return MIN_S32;
> +    } else {
> +        return res;
> +    }
> +}
> +static uint16_t vwsmaccu_8(CPURISCVState *env, uint8_t a, uint8_t b,
> +    uint16_t c)
> +{
> +    uint16_t round, res;
> +    uint16_t product = (uint16_t)a * (uint16_t)b;
> +
> +    round = (uint16_t)fix_data_round(env, (uint64_t)product, 4);
> +    res   = (round + product) >> 4;
> +    return sat_add_u16(env, c, res);
> +}
> +
> +static uint32_t vwsmaccu_16(CPURISCVState *env, uint16_t a, uint16_t b,
> +    uint32_t c)
> +{
> +    uint32_t round, res;
> +    uint32_t product = (uint32_t)a * (uint32_t)b;
> +
> +    round = (uint32_t)fix_data_round(env, (uint64_t)product, 8);
> +    res   = (round + product) >> 8;
> +    return sat_add_u32(env, c, res);
> +}
> +
> +static uint64_t vwsmaccu_32(CPURISCVState *env, uint32_t a, uint32_t b,
> +    uint64_t c)
> +{
> +    uint64_t round, res;
> +    uint64_t product = (uint64_t)a * (uint64_t)b;
> +
> +    round = (uint64_t)fix_data_round(env, (uint64_t)product, 16);
> +    res   = (round + product) >> 16;
> +    return sat_add_u64(env, c, res);
> +}
> +
> +static int16_t vwsmacc_8(CPURISCVState *env, int8_t a, int8_t b,
> +    int16_t c)
> +{
> +    int16_t round, res;
> +    int16_t product = (int16_t)a * (int16_t)b;
> +
> +    round = (int16_t)fix_data_round(env, (uint64_t)product, 4);
> +    res   = (int16_t)(round + product) >> 4;
> +    return sat_add_s16(env, c, res);
> +}
> +
> +static int32_t vwsmacc_16(CPURISCVState *env, int16_t a, int16_t b,
> +    int32_t c)
> +{
> +    int32_t round, res;
> +    int32_t product = (int32_t)a * (int32_t)b;
> +
> +    round = (int32_t)fix_data_round(env, (uint64_t)product, 8);
> +    res   = (int32_t)(round + product) >> 8;
> +    return sat_add_s32(env, c, res);
> +}
> +
> +static int64_t vwsmacc_32(CPURISCVState *env, int32_t a, int32_t b,
> +    int64_t c)
> +{
> +    int64_t round, res;
> +    int64_t product = (int64_t)a * (int64_t)b;
> +
> +    round = (int64_t)fix_data_round(env, (uint64_t)product, 16);
> +    res   = (int64_t)(round + product) >> 16;
> +    return sat_add_s64(env, c, res);
> +}
> +
> +static int16_t vwsmaccsu_8(CPURISCVState *env, uint8_t a, int8_t b,
> +    int16_t c)
> +{
> +    int16_t round, res;
> +    int16_t product = (uint16_t)a * (int16_t)b;
> +
> +    round = (int16_t)fix_data_round(env, (uint64_t)product, 4);
> +    res   =  (round + product) >> 4;
> +    return sat_sub_s16(env, c, res);
> +}
> +
> +static int32_t vwsmaccsu_16(CPURISCVState *env, uint16_t a, int16_t b,
> +    uint32_t c)
> +{
> +    int32_t round, res;
> +    int32_t product = (uint32_t)a * (int32_t)b;
> +
> +    round = (int32_t)fix_data_round(env, (uint64_t)product, 8);
> +    res   = (round + product) >> 8;
> +    return sat_sub_s32(env, c, res);
> +}
> +
> +static int64_t vwsmaccsu_32(CPURISCVState *env, uint32_t a, int32_t b,
> +    int64_t c)
> +{
> +    int64_t round, res;
> +    int64_t product = (uint64_t)a * (int64_t)b;
> +
> +    round = (int64_t)fix_data_round(env, (uint64_t)product, 16);
> +    res   = (round + product) >> 16;
> +    return sat_sub_s64(env, c, res);
> +}
> +
> +static int16_t vwsmaccus_8(CPURISCVState *env, int8_t a, uint8_t b,
> +    int16_t c)
> +{
> +    int16_t round, res;
> +    int16_t product = (int16_t)a * (uint16_t)b;
> +
> +    round = (int16_t)fix_data_round(env, (uint64_t)product, 4);
> +    res   = (round + product) >> 4;
> +    return sat_sub_s16(env, c, res);
> +}
> +
> +static int32_t vwsmaccus_16(CPURISCVState *env, int16_t a, uint16_t b,
> +    int32_t c)
> +{
> +    int32_t round, res;
> +    int32_t product = (int32_t)a * (uint32_t)b;
> +
> +    round = (int32_t)fix_data_round(env, (uint64_t)product, 8);
> +    res   = (round + product) >> 8;
> +    return sat_sub_s32(env, c, res);
> +}
> +
> +static uint64_t vwsmaccus_32(CPURISCVState *env, int32_t a, uint32_t b,
> +    int64_t c)
> +{
> +    int64_t round, res;
> +    int64_t product = (int64_t)a * (uint64_t)b;
> +
> +    round = (int64_t)fix_data_round(env, (uint64_t)product, 16);
> +    res   = (round + product) >> 16;
> +    return sat_sub_s64(env, c, res);
> +}
> +
> +static int8_t vssra_8(CPURISCVState *env, int8_t a, uint8_t b)
> +{
> +    int16_t round, res;
> +    uint8_t shift = b & 0x7;
> +
> +    round = (int16_t)fix_data_round(env, (uint64_t)a, shift);
> +    res   = (a + round) >> shift;
> +
> +    return res;
> +}
> +
> +static int16_t vssra_16(CPURISCVState *env, int16_t a, uint16_t b)
> +{
> +    int32_t round, res;
> +    uint8_t shift = b & 0xf;
> +
> +    round = (int32_t)fix_data_round(env, (uint64_t)a, shift);
> +    res   = (a + round) >> shift;
> +    return res;
> +}
> +
> +static int32_t vssra_32(CPURISCVState *env, int32_t a, uint32_t b)
> +{
> +    int64_t round, res;
> +    uint8_t shift = b & 0x1f;
> +
> +    round = (int64_t)fix_data_round(env, (uint64_t)a, shift);
> +    res   = (a + round) >> shift;
> +    return res;
> +}
> +
> +static int64_t vssra_64(CPURISCVState *env, int64_t a, uint64_t b)
> +{
> +    int64_t round, res;
> +    uint8_t shift = b & 0x3f;
> +
> +    round = (int64_t)fix_data_round(env, (uint64_t)a, shift);
> +    res   = (a >> (shift - 1))  + (round >> (shift - 1));
> +    return res >> 1;
> +}
> +
> +static int8_t vssrai_8(CPURISCVState *env, int8_t a, uint8_t b)
> +{
> +    int16_t round, res;
> +
> +    round = (int16_t)fix_data_round(env, (uint64_t)a, b);
> +    res   = (a + round) >> b;
> +    return res;
> +}
> +
> +static int16_t vssrai_16(CPURISCVState *env, int16_t a, uint8_t b)
> +{
> +    int32_t round, res;
> +
> +    round = (int32_t)fix_data_round(env, (uint64_t)a, b);
> +    res   = (a + round) >> b;
> +    return res;
> +}
> +
> +static int32_t vssrai_32(CPURISCVState *env, int32_t a, uint8_t b)
> +{
> +    int64_t round, res;
> +
> +    round = (int64_t)fix_data_round(env, (uint64_t)a, b);
> +    res   = (a + round) >> b;
> +    return res;
> +}
> +
> +static int64_t vssrai_64(CPURISCVState *env, int64_t a, uint8_t b)
> +{
> +    int64_t round, res;
> +
> +    round = (int64_t)fix_data_round(env, (uint64_t)a, b);
> +    res   = (a >> (b - 1))  + (round >> (b - 1));
> +    return res >> 1;
> +}
> +
> +static int8_t vnclip_16(CPURISCVState *env, int16_t a, uint8_t b)
> +{
> +    int16_t round, res;
> +    uint8_t shift = b & 0xf;
> +
> +    round = (int16_t)fix_data_round(env, (uint64_t)a, shift);
> +    res   = (a + round) >> shift;
> +
> +    return saturate_s8(env, res);
> +}
> +
> +static int16_t vnclip_32(CPURISCVState *env, int32_t a, uint16_t b)
> +{
> +    int32_t round, res;
> +    uint8_t shift = b & 0x1f;
> +
> +    round = (int32_t)fix_data_round(env, (uint64_t)a, shift);
> +    res   = (a + round) >> shift;
> +    return saturate_s16(env, res);
> +}
> +
> +static int32_t vnclip_64(CPURISCVState *env, int64_t a, uint32_t b)
> +{
> +    int64_t round, res;
> +    uint8_t shift = b & 0x3f;
> +
> +    round = (int64_t)fix_data_round(env, (uint64_t)a, shift);
> +    res   = (a + round) >> shift;
> +
> +    return saturate_s32(env, res);
> +}
> +
> +static int8_t vnclipi_16(CPURISCVState *env, int16_t a, uint8_t b)
> +{
> +    int16_t round, res;
> +
> +    round = (int16_t)fix_data_round(env, (uint64_t)a, b);
> +    res   = (a + round) >> b;
> +
> +    return saturate_s8(env, res);
> +}
> +
> +static int16_t vnclipi_32(CPURISCVState *env, int32_t a, uint8_t b)
> +{
> +    int32_t round, res;
> +
> +    round = (int32_t)fix_data_round(env, (uint64_t)a, b);
> +    res   = (a + round) >> b;
> +
> +    return saturate_s16(env, res);
> +}
> +
> +static int32_t vnclipi_64(CPURISCVState *env, int64_t a, uint8_t b)
> +{
> +    int32_t round, res;
> +
> +    round = (int64_t)fix_data_round(env, (uint64_t)a, b);
> +    res   = (a + round) >> b;
> +
> +    return saturate_s32(env, res);
> +}
> +
> +static uint8_t vnclipu_16(CPURISCVState *env, uint16_t a, uint8_t b)
> +{
> +    uint16_t round, res;
> +    uint8_t shift = b & 0xf;
> +
> +    round = (uint16_t)fix_data_round(env, (uint64_t)a, shift);
> +    res   = (a + round) >> shift;
> +
> +    return saturate_u8(env, res);
> +}
> +
> +static uint16_t vnclipu_32(CPURISCVState *env, uint32_t a, uint16_t b)
> +{
> +    uint32_t round, res;
> +    uint8_t shift = b & 0x1f;
> +
> +    round = (uint32_t)fix_data_round(env, (uint64_t)a, shift);
> +    res   = (a + round) >> shift;
> +
> +    return saturate_u16(env, res);
> +}
> +
> +static uint32_t vnclipu_64(CPURISCVState *env, uint64_t a, uint32_t b)
> +{
> +    uint64_t round, res;
> +    uint8_t shift = b & 0x3f;
> +
> +    round = (uint64_t)fix_data_round(env, (uint64_t)a, shift);
> +    res   = (a + round) >> shift;
> +
> +    return saturate_u32(env, res);
> +}
> +
> +static uint8_t vnclipui_16(CPURISCVState *env, uint16_t a, uint8_t b)
> +{
> +    uint16_t round, res;
> +
> +    round = (uint16_t)fix_data_round(env, (uint64_t)a, b);
> +    res   = (a + round) >> b;
> +
> +    return saturate_u8(env, res);
> +}
> +
> +static uint16_t vnclipui_32(CPURISCVState *env, uint32_t a, uint8_t b)
> +{
> +    uint32_t round, res;
> +
> +    round = (uint32_t)fix_data_round(env, (uint64_t)a, b);
> +    res   = (a + round) >> b;
> +
> +    return saturate_u16(env, res);
> +}
> +
> +static uint32_t vnclipui_64(CPURISCVState *env, uint64_t a, uint8_t b)
> +{
> +    uint64_t round, res;
> +
> +    round = (uint64_t)fix_data_round(env, (uint64_t)a, b);
> +    res   = (a + round) >> b;
> +
> +    return saturate_u32(env, res);
> +}
> +
> +static uint8_t vssrl_8(CPURISCVState *env, uint8_t a, uint8_t b)
> +{
> +    uint16_t round, res;
> +    uint8_t shift = b & 0x7;
> +
> +    round = (uint16_t)fix_data_round(env, (uint64_t)a, shift);
> +    res   = (a + round) >> shift;
> +    return res;
> +}
> +
> +static uint16_t vssrl_16(CPURISCVState *env, uint16_t a, uint16_t b)
> +{
> +    uint32_t round, res;
> +    uint8_t shift = b & 0xf;
> +
> +    round = (uint32_t)fix_data_round(env, (uint64_t)a, shift);
> +    res   = (a + round) >> shift;
> +    return res;
> +}
> +
> +static uint32_t vssrl_32(CPURISCVState *env, uint32_t a, uint32_t b)
> +{
> +    uint64_t round, res;
> +    uint8_t shift = b & 0x1f;
> +
> +    round = (uint64_t)fix_data_round(env, (uint64_t)a, shift);
> +    res   = (a + round) >> shift;
> +    return res;
> +}
> +
> +static uint64_t vssrl_64(CPURISCVState *env, uint64_t a, uint64_t b)
> +{
> +    uint64_t round, res;
> +    uint8_t shift = b & 0x3f;
> +
> +    round = (uint64_t)fix_data_round(env, (uint64_t)a, shift);
> +    res   = (a >> (shift - 1))  + (round >> (shift - 1));
> +    return res >> 1;
> +}
> +
> +static uint8_t vssrli_8(CPURISCVState *env, uint8_t a, uint8_t b)
> +{
> +    uint16_t round, res;
> +
> +    round = (uint16_t)fix_data_round(env, (uint64_t)a, b);
> +    res   = (a + round) >> b;
> +    return res;
> +}
> +
> +static uint16_t vssrli_16(CPURISCVState *env, uint16_t a, uint8_t b)
> +{
> +    uint32_t round, res;
> +
> +    round = (uint32_t)fix_data_round(env, (uint64_t)a, b);
> +    res   = (a + round) >> b;
> +    return res;
> +}
> +
> +static uint32_t vssrli_32(CPURISCVState *env, uint32_t a, uint8_t b)
> +{
> +    uint64_t round, res;
> +
> +    round = (uint64_t)fix_data_round(env, (uint64_t)a, b);
> +    res   = (a + round) >> b;
> +    return res;
> +}
> +
> +static uint64_t vssrli_64(CPURISCVState *env, uint64_t a, uint8_t b)
> +{
> +    uint64_t round, res;
> +
> +    round = (uint64_t)fix_data_round(env, (uint64_t)a, b);
> +    res   = (a >> (b - 1))  + (round >> (b - 1));
> +    return res >> 1;
> +}
> +
> +static int8_t vsmul_8(CPURISCVState *env, int8_t a, int8_t b)
> +{
> +    int16_t round;
> +    int8_t res;
> +    int16_t product = (int16_t)a * (int16_t)b;
> +
> +    if (a == MIN_S8 && b == MIN_S8) {
> +        env->vfp.vxsat = 1;
> +
> +        return MAX_S8;
> +    }
> +
> +    round = (int16_t)fix_data_round(env, (uint64_t)product, 7);
> +    res   = sat_add_s16(env, product, round) >> 7;
> +    return res;
> +}
> +
> +
> +static int16_t vsmul_16(CPURISCVState *env, int16_t a, int16_t b)
> +{
> +    int32_t round;
> +    int16_t res;
> +    int32_t product = (int32_t)a * (int32_t)b;
> +
> +    if (a == MIN_S16 && b == MIN_S16) {
> +        env->vfp.vxsat = 1;
> +
> +        return MAX_S16;
> +    }
> +
> +    round = (int32_t)fix_data_round(env, (uint64_t)product, 15);
> +    res   = sat_add_s32(env, product, round) >> 15;
> +    return res;
> +}
> +
> +static int32_t vsmul_32(CPURISCVState *env, int32_t a, int32_t b)
> +{
> +    int64_t round;
> +    int32_t res;
> +    int64_t product = (int64_t)a * (int64_t)b;
> +
> +    if (a == MIN_S32 && b == MIN_S32) {
> +        env->vfp.vxsat = 1;
> +
> +        return MAX_S32;
> +    }
> +
> +    round = (int64_t)fix_data_round(env, (uint64_t)product, 31);
> +    res   = sat_add_s64(env, product, round) >> 31;
> +    return res;
> +}
> +
> +
> +static int64_t vsmul_64(CPURISCVState *env, int64_t a, int64_t b)
> +{
> +    int64_t res;
> +    uint64_t abs_a = a, abs_b = b;
> +    uint64_t lo_64, hi_64, carry, round;
> +
> +    if (a == MIN_S64 && b == MIN_S64) {
> +        env->vfp.vxsat = 1;
> +
> +        return MAX_S64;
> +    }
> +
> +    if (a < 0) {
> +        abs_a =  ~a + 1;
> +    }
> +    if (b < 0) {
> +        abs_b = ~b + 1;
> +    }
> +
> +    /* first get the whole product in {hi_64, lo_64} */
> +    uint64_t a_hi = abs_a >> 32;
> +    uint64_t a_lo = (uint32_t)abs_a;
> +    uint64_t b_hi = abs_b >> 32;
> +    uint64_t b_lo = (uint32_t)abs_b;
> +
> +    /*
> +     * abs_a * abs_b = (a_hi << 32 + a_lo) * (b_hi << 32 + b_lo)
> +     *               = (a_hi * b_hi) << 64 + (a_hi * b_lo) << 32 +
> +     *                 (a_lo * b_hi) << 32 + a_lo * b_lo
> +     *               = {hi_64, lo_64}
> +     * hi_64 = ((a_hi * b_lo) << 32 + (a_lo * b_hi) << 32 + (a_lo *
> b_lo)) >> 64
> +     *       = (a_hi * b_lo) >> 32 + (a_lo * b_hi) >> 32 + carry
> +     * carry = ((uint64_t)(uint32_t)(a_hi * b_lo) +
> +     *           (uint64_t)(uint32_t)(a_lo * b_hi) + (a_lo * b_lo) >> 32)
> >> 32
> +     */
> +
> +    lo_64 = abs_a * abs_b;
> +    carry =  ((uint64_t)(uint32_t)(a_hi * b_lo) +
> +              (uint64_t)(uint32_t)(a_lo * b_hi) +
> +              ((a_lo * b_lo) >> 32)) >> 32;
> +
> +    hi_64 = a_hi * b_hi +
> +            ((a_hi * b_lo) >> 32) + ((a_lo * b_hi) >> 32) +
> +            carry;
> +
> +    if ((a ^ b) & SIGNBIT64) {
> +        lo_64 = ~lo_64;
> +        hi_64 = ~hi_64;
> +        if (lo_64 == MAX_U64) {
> +            lo_64 = 0;
> +            hi_64 += 1;
> +        } else {
> +            lo_64 += 1;
> +        }
> +    }
> +
> +    /* set rem and res */
> +    round = fix_data_round(env, lo_64, 63);
> +    if ((lo_64 + round) < lo_64) {
> +        hi_64 += 1;
> +        res = (hi_64 << 1);
> +    } else  {
> +        res = (hi_64 << 1) | ((lo_64 + round) >> 63);
> +    }
> +
> +    return res;
> +}
> +static inline int8_t avg_round_s8(CPURISCVState *env, int8_t a, int8_t b)
> +{
> +    int16_t round;
> +    int8_t res;
> +    int16_t sum = a + b;
> +
> +    round = (int16_t)fix_data_round(env, (uint64_t)sum, 1);
> +    res   = (sum + round) >> 1;
> +
> +    return res;
> +}
> +
> +static inline int16_t avg_round_s16(CPURISCVState *env, int16_t a,
> int16_t b)
> +{
> +    int32_t round;
> +    int16_t res;
> +    int32_t sum = a + b;
> +
> +    round = (int32_t)fix_data_round(env, (uint64_t)sum, 1);
> +    res   = (sum + round) >> 1;
> +
> +    return res;
> +}
> +
> +static inline int32_t avg_round_s32(CPURISCVState *env, int32_t a,
> int32_t b)
> +{
> +    int64_t round;
> +    int32_t res;
> +    int64_t sum = a + b;
> +
> +    round = (int64_t)fix_data_round(env, (uint64_t)sum, 1);
> +    res   = (sum + round) >> 1;
> +
> +    return res;
> +}
> +
> +static inline int64_t avg_round_s64(CPURISCVState *env, int64_t a,
> int64_t b)
> +{
> +    int64_t rem = (a & 0x1) + (b & 0x1);
> +    int64_t res = (a >> 1) + (b >> 1) + (rem >> 1);
> +    int mod = env->vfp.vxrm;
> +
> +    if (mod == 0x0) { /* rnu */
> +        if (rem == 0x1) {
> +            return res + 1;
> +        }
> +    } else if (mod == 0x1) { /* rne */
> +        if ((rem & 0x1) == 1 && ((res & 0x1) == 1)) {
> +            return res + 1;
> +        }
> +    } else if (mod == 0x3) { /* rod */
> +        if (((rem & 0x1) >= 0x1) && (res & 0x1) == 0) {
> +            return res + 1;
> +        }
> +    }
> +    return res;
> +}
> +
> +static target_ulong helper_fclass_h(uint64_t frs1)
> +{
> +    float16 f = frs1;
> +    bool sign = float16_is_neg(f);
> +
> +    if (float16_is_infinity(f)) {
> +        return sign ? 1 << 0 : 1 << 7;
> +    } else if (float16_is_zero(f)) {
> +        return sign ? 1 << 3 : 1 << 4;
> +    } else if (float16_is_zero_or_denormal(f)) {
> +        return sign ? 1 << 2 : 1 << 5;
> +    } else if (float16_is_any_nan(f)) {
> +        float_status s = { }; /* for snan_bit_is_one */
> +        return float16_is_quiet_nan(f, &s) ? 1 << 9 : 1 << 8;
> +    } else {
> +        return sign ? 1 << 1 : 1 << 6;
> +    }
> +}
> +
> +static inline bool vector_vtype_ill(CPURISCVState *env)
> +{
> +    if ((env->vfp.vtype >> (sizeof(target_ulong) - 1)) & 0x1) {
> +        return true;
> +    }
> +    return false;
> +}
> +
> +static inline void vector_vtype_set_ill(CPURISCVState *env)
> +{
> +    env->vfp.vtype = ((target_ulong)1) << (sizeof(target_ulong) - 1);
> +    return;
> +}
> +
> +static inline int vector_vtype_get_sew(CPURISCVState *env)
> +{
> +    return (env->vfp.vtype >> 2) & 0x7;
> +}
> +
> +static inline int vector_get_width(CPURISCVState *env)
> +{
> +    return  8 * (1 << vector_vtype_get_sew(env));
> +}
> +
> +static inline int vector_get_lmul(CPURISCVState *env)
> +{
> +    return 1 << (env->vfp.vtype & 0x3);
> +}
> +
> +static inline int vector_get_vlmax(CPURISCVState *env)
> +{
> +    return vector_get_lmul(env) * VLEN / vector_get_width(env);
> +}
> +
> +static inline int vector_elem_mask(CPURISCVState *env, uint32_t vm, int
> width,
> +    int lmul, int index)
> +{
> +    int mlen = width / lmul;
> +    int idx = (index * mlen) / 8;
> +    int pos = (index * mlen) % 8;
> +
> +    return vm || ((env->vfp.vreg[0].u8[idx] >> pos) & 0x1);
> +}
> +
> +static inline bool vector_overlap_vm_common(int lmul, int vm, int rd)
> +{
> +    if (lmul > 1 && vm == 0 && rd == 0) {
> +        return true;
> +    }
> +    return false;
> +}
> +
> +static inline bool vector_overlap_vm_force(int vm, int rd)
> +{
> +    if (vm == 0 && rd == 0) {
> +        return true;
> +    }
> +    return false;
> +}
> +
> +static inline bool vector_overlap_carry(int lmul, int rd)
> +{
> +    if (lmul > 1 && rd == 0) {
> +        return true;
> +    }
> +    return false;
> +}
> +
> +static inline bool vector_overlap_dstgp_srcgp(int rd, int dlen, int rs,
> +    int slen)
> +{
> +    if ((rd >= rs && rd < rs + slen) || (rs >= rd && rs < rd + dlen)) {
> +        return true;
> +    }
> +    return false;
> +}
> +
> +static inline uint64_t vector_get_mask(int start, int end)
> +{
> +    return ((uint64_t)(~((uint64_t)0))) << (63 - end + start) >> (63 -
> end);
> +}
> +
> +/* fetch unsigned element by width */
> +static inline uint64_t vector_get_iu_elem(CPURISCVState *env, uint32_t
> width,
> +    uint32_t rs2, uint32_t index)
> +{
> +    uint64_t elem;
> +    if (width == 8) {
> +        elem = env->vfp.vreg[rs2].u8[index];
> +    } else if (width == 16) {
> +        elem = env->vfp.vreg[rs2].u16[index];
> +    } else if (width == 32) {
> +        elem = env->vfp.vreg[rs2].u32[index];
> +    } else if (width == 64) {
> +        elem = env->vfp.vreg[rs2].u64[index];
> +    } else { /* the max of (XLEN, FLEN) is no bigger than 64 */
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return 0;
> +    }
> +    return elem;
> +}
> +
> +static inline int vector_mask_reg(CPURISCVState *env, uint32_t reg, int
> width,
> +    int lmul, int index)
> +{
> +    int mlen = width / lmul;
> +    int idx = (index * mlen) / 8;
> +    int pos = (index * mlen) % 8;
> +    return (env->vfp.vreg[reg].u8[idx] >> pos) & 0x1;
> +}
> +
> +static inline void vector_mask_result(CPURISCVState *env, uint32_t reg,
> +        int width, int lmul, int index, uint32_t result)
> +{
> +    int mlen = width / lmul;
> +    int idx  = (index * mlen) / width;
> +    int pos  = (index * mlen) % width;
> +    uint64_t mask = ~((((uint64_t)1 << mlen) - 1) << pos);
> +
> +    switch (width) {
> +    case 8:
> +        env->vfp.vreg[reg].u8[idx] = (env->vfp.vreg[reg].u8[idx] & mask)
> +                                                | (result << pos);
> +    break;
> +    case 16:
> +        env->vfp.vreg[reg].u16[idx] = (env->vfp.vreg[reg].u16[idx] & mask)
> +                                                | (result << pos);
> +    break;
> +    case 32:
> +        env->vfp.vreg[reg].u32[idx] = (env->vfp.vreg[reg].u32[idx] & mask)
> +                                                | (result << pos);
> +    break;
> +    case 64:
> +        env->vfp.vreg[reg].u64[idx] = (env->vfp.vreg[reg].u64[idx] & mask)
> +                                                | ((uint64_t)result <<
> pos);
> +    break;
> +    default:
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +    break;
> +    }
> +
> +    return;
> +}
> +
> +/**
> + * deposit16:
> + * @value: initial value to insert bit field into
> + * @start: the lowest bit in the bit field (numbered from 0)
> + * @length: the length of the bit field
> + * @fieldval: the value to insert into the bit field
> + *
> + * Deposit @fieldval into the 16 bit @value at the bit field specified
> + * by the @start and @length parameters, and return the modified
> + * @value. Bits of @value outside the bit field are not modified.
> + * Bits of @fieldval above the least significant @length bits are
> + * ignored. The bit field must lie entirely within the 16 bit word.
> + * It is valid to request that all 16 bits are modified (ie @length
> + * 16 and @start 0).
> + *
> + * Returns: the modified @value.
> + */
> +static  inline uint16_t deposit16(uint16_t value, int start, int length,
> +        uint16_t fieldval)
> +{
> +    uint16_t mask;
> +    assert(start >= 0 && length > 0 && length <= 16 - start);
> +    mask = (~0U >> (16 - length)) << start;
> +    return (value & ~mask) | ((fieldval << start) & mask);
> +}
> +
> +static void vector_tail_amo(CPURISCVState *env, int vreg, int index, int
> width)
> +{
> +    switch (width) {
> +    case 32:
> +        env->vfp.vreg[vreg].u32[index] = 0;
> +        break;
> +    case 64:
> +        env->vfp.vreg[vreg].u64[index] = 0;
> +        break;
> +    default:
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +}
> +
> +static void vector_tail_common(CPURISCVState *env, int vreg, int index,
> +    int width)
> +{
> +    switch (width) {
> +    case 8:
> +        env->vfp.vreg[vreg].u8[index] = 0;
> +        break;
> +    case 16:
> +        env->vfp.vreg[vreg].u16[index] = 0;
> +        break;
> +    case 32:
> +        env->vfp.vreg[vreg].u32[index] = 0;
> +        break;
> +    case 64:
> +        env->vfp.vreg[vreg].u64[index] = 0;
> +        break;
> +    default:
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +}
> +
> +static void vector_tail_segment(CPURISCVState *env, int vreg, int index,
> +    int width, int nf, int lmul)
> +{
> +    switch (width) {
> +    case 8:
> +        while (nf >= 0) {
> +            env->vfp.vreg[vreg + nf * lmul].u8[index] = 0;
> +            nf--;
> +        }
> +        break;
> +    case 16:
> +        while (nf >= 0) {
> +            env->vfp.vreg[vreg + nf * lmul].u16[index] = 0;
> +            nf--;
> +        }
> +        break;
> +    case 32:
> +        while (nf >= 0) {
> +            env->vfp.vreg[vreg + nf * lmul].u32[index] = 0;
> +            nf--;
> +        }
> +        break;
> +    case 64:
> +        while (nf >= 0) {
> +            env->vfp.vreg[vreg + nf * lmul].u64[index] = 0;
> +            nf--;
> +        }
> +        break;
> +    default:
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +}
> +
> +static void vector_tail_widen(CPURISCVState *env, int vreg, int index,
> +    int width)
> +{
> +    switch (width) {
> +    case 8:
> +        env->vfp.vreg[vreg].u16[index] = 0;
> +        break;
> +    case 16:
> +        env->vfp.vreg[vreg].u32[index] = 0;
> +        break;
> +    case 32:
> +        env->vfp.vreg[vreg].u64[index] = 0;
> +        break;
> +    default:
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +}
> +
> +static void vector_tail_narrow(CPURISCVState *env, int vreg, int index,
> +    int width)
> +{
> +    switch (width) {
> +    case 8:
> +        env->vfp.vreg[vreg].u8[index] = 0;
> +        break;
> +    case 16:
> +        env->vfp.vreg[vreg].u16[index] = 0;
> +        break;
> +    case 32:
> +        env->vfp.vreg[vreg].u32[index] = 0;
> +        break;
> +    default:
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +}
> +
> +static void vector_tail_fcommon(CPURISCVState *env, int vreg, int index,
> +    int width)
> +{
> +    switch (width) {
> +    case 16:
> +        env->vfp.vreg[vreg].u16[index] = 0;
> +        break;
> +    case 32:
> +        env->vfp.vreg[vreg].u32[index] = 0;
> +        break;
> +    case 64:
> +        env->vfp.vreg[vreg].u64[index] = 0;
> +        break;
> +    default:
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +}
> +
> +static void vector_tail_fwiden(CPURISCVState *env, int vreg, int index,
> +    int width)
> +{
> +    switch (width) {
> +    case 16:
> +        env->vfp.vreg[vreg].u32[index] = 0;
> +        break;
> +    case 32:
> +        env->vfp.vreg[vreg].u64[index] = 0;
> +        break;
> +    default:
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +}
> +
> +static void vector_tail_fnarrow(CPURISCVState *env, int vreg, int index,
> +    int width)
> +{
> +    switch (width) {
> +    case 16:
> +        env->vfp.vreg[vreg].u16[index] = 0;
> +        break;
> +    case 32:
> +        env->vfp.vreg[vreg].u32[index] = 0;
> +        break;
> +    default:
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +}
> +static inline int vector_get_carry(CPURISCVState *env, int width, int
> lmul,
> +    int index)
> +{
> +    int mlen = width / lmul;
> +    int idx = (index * mlen) / 8;
> +    int pos = (index * mlen) % 8;
> +
> +    return (env->vfp.vreg[0].u8[idx] >> pos) & 0x1;
> +}
> +
> +static inline void vector_get_layout(CPURISCVState *env, int width, int
> lmul,
> +    int index, int *idx, int *pos)
> +{
> +    int mlen = width / lmul;
> +    *idx = (index * mlen) / 8;
> +    *pos = (index * mlen) % 8;
> +}
> +
> +static bool  vector_lmul_check_reg(CPURISCVState *env, uint32_t lmul,
> +        uint32_t reg, bool widen)
> +{
> +    int legal = widen ? (lmul * 2) : lmul;
> +
> +    if ((lmul != 1 && lmul != 2 && lmul != 4 && lmul != 8) ||
> +        (lmul == 8 && widen)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return false;
> +    }
> +
> +    if (reg % legal != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return false;
> +    }
> +    return true;
> +}
> +
> +static inline uint64_t u64xu64_lh(uint64_t a, uint64_t b)
> +{
> +    uint64_t hi_64, carry;
> +
> +
> +    /* first get the whole product in {hi_64, lo_64} */
> +    uint64_t a_hi = a >> 32;
> +    uint64_t a_lo = (uint32_t)a;
> +    uint64_t b_hi = b >> 32;
> +    uint64_t b_lo = (uint32_t)b;
> +
> +    /*
> +     * a * b = (a_hi << 32 + a_lo) * (b_hi << 32 + b_lo)
> +     *               = (a_hi * b_hi) << 64 + (a_hi * b_lo) << 32 +
> +     *                 (a_lo * b_hi) << 32 + a_lo * b_lo
> +     *               = {hi_64, lo_64}
> +     * hi_64 = ((a_hi * b_lo) << 32 + (a_lo * b_hi) << 32 + (a_lo *
> b_lo)) >> 64
> +     *       = (a_hi * b_lo) >> 32 + (a_lo * b_hi) >> 32 + carry
> +     * carry = ((uint64_t)(uint32_t)(a_hi * b_lo) +
> +     *           (uint64_t)(uint32_t)(a_lo * b_hi) + (a_lo * b_lo) >> 32)
> >> 32
> +     */
> +
> +    carry =  ((uint64_t)(uint32_t)(a_hi * b_lo) +
> +              (uint64_t)(uint32_t)(a_lo * b_hi) +
> +              ((a_lo * b_lo) >> 32)) >> 32;
> +
> +    hi_64 = a_hi * b_hi +
> +            ((a_hi * b_lo) >> 32) + ((a_lo * b_hi) >> 32) +
> +            carry;
> +
> +    return hi_64;
> +}
> +
> +
> +static inline int64_t s64xu64_lh(int64_t a, uint64_t b)
> +{
> +    uint64_t abs_a = a;
> +    uint64_t lo_64, hi_64, carry;
> +
> +    if (a < 0) {
> +        abs_a =  ~a + 1;
> +    }
> +
> +    /* first get the whole product in {hi_64, lo_64} */
> +    uint64_t a_hi = abs_a >> 32;
> +    uint64_t a_lo = (uint32_t)abs_a;
> +    uint64_t b_hi = b >> 32;
> +    uint64_t b_lo = (uint32_t)b;
> +
> +    /*
> +     * abs_a * b = (a_hi << 32 + a_lo) * (b_hi << 32 + b_lo)
> +     *               = (a_hi * b_hi) << 64 + (a_hi * b_lo) << 32 +
> +     *                 (a_lo * b_hi) << 32 + a_lo * b_lo
> +     *               = {hi_64, lo_64}
> +     * hi_64 = ((a_hi * b_lo) << 32 + (a_lo * b_hi) << 32 + (a_lo *
> b_lo)) >> 64
> +     *       = (a_hi * b_lo) >> 32 + (a_lo * b_hi) >> 32 + carry
> +     * carry = ((uint64_t)(uint32_t)(a_hi * b_lo) +
> +     *           (uint64_t)(uint32_t)(a_lo * b_hi) + (a_lo * b_lo) >> 32)
> >> 32
> +     */
> +
> +    lo_64 = abs_a * b;
> +    carry =  ((uint64_t)(uint32_t)(a_hi * b_lo) +
> +              (uint64_t)(uint32_t)(a_lo * b_hi) +
> +              ((a_lo * b_lo) >> 32)) >> 32;
> +
> +    hi_64 = a_hi * b_hi +
> +            ((a_hi * b_lo) >> 32) + ((a_lo * b_hi) >> 32) +
> +            carry;
> +    if ((a ^ b) & SIGNBIT64) {
> +        lo_64 = ~lo_64;
> +        hi_64 = ~hi_64;
> +        if (lo_64 == MAX_U64) {
> +            lo_64 = 0;
> +            hi_64 += 1;
> +        } else {
> +            lo_64 += 1;
> +        }
> +    }
> +    return hi_64;
> +}
> +
> +
> +static inline int64_t s64xs64_lh(int64_t a, int64_t b)
> +{
> +    uint64_t abs_a = a, abs_b = b;
> +    uint64_t lo_64, hi_64, carry;
> +
> +    if (a < 0) {
> +        abs_a =  ~a + 1;
> +    }
> +    if (b < 0) {
> +        abs_b = ~b + 1;
> +    }
> +
> +    /* first get the whole product in {hi_64, lo_64} */
> +    uint64_t a_hi = abs_a >> 32;
> +    uint64_t a_lo = (uint32_t)abs_a;
> +    uint64_t b_hi = abs_b >> 32;
> +    uint64_t b_lo = (uint32_t)abs_b;
> +
> +    /*
> +     * abs_a * abs_b = (a_hi << 32 + a_lo) * (b_hi << 32 + b_lo)
> +     *               = (a_hi * b_hi) << 64 + (a_hi * b_lo) << 32 +
> +     *                 (a_lo * b_hi) << 32 + a_lo * b_lo
> +     *               = {hi_64, lo_64}
> +     * hi_64 = ((a_hi * b_lo) << 32 + (a_lo * b_hi) << 32 + (a_lo *
> b_lo)) >> 64
> +     *       = (a_hi * b_lo) >> 32 + (a_lo * b_hi) >> 32 + carry
> +     * carry = ((uint64_t)(uint32_t)(a_hi * b_lo) +
> +     *           (uint64_t)(uint32_t)(a_lo * b_hi) + (a_lo * b_lo) >> 32)
> >> 32
> +     */
> +
> +    lo_64 = abs_a * abs_b;
> +    carry =  ((uint64_t)(uint32_t)(a_hi * b_lo) +
> +              (uint64_t)(uint32_t)(a_lo * b_hi) +
> +              ((a_lo * b_lo) >> 32)) >> 32;
> +
> +    hi_64 = a_hi * b_hi +
> +            ((a_hi * b_lo) >> 32) + ((a_lo * b_hi) >> 32) +
> +            carry;
> +
> +    if ((a ^ b) & SIGNBIT64) {
> +        lo_64 = ~lo_64;
> +        hi_64 = ~hi_64;
> +        if (lo_64 == MAX_U64) {
> +            lo_64 = 0;
> +            hi_64 += 1;
> +        } else {
> +            lo_64 += 1;
> +        }
> +    }
> +    return hi_64;
> +}
> +
> +void VECTOR_HELPER(vsetvl)(CPURISCVState *env, uint32_t rs1, uint32_t rs2,
> +    uint32_t rd)
> +{
> +    int sew, max_sew, vlmax, vl;
> +
> +    if (rs2 == 0) {
> +        vector_vtype_set_ill(env);
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    env->vfp.vtype = env->gpr[rs2];
> +    sew = 1 << vector_get_width(env) / 8;
> +    max_sew = sizeof(target_ulong);
> +
> +
> +    if (env->misa & RVD) {
> +        max_sew = max_sew > 8 ? max_sew : 8;
> +    } else if (env->misa & RVF) {
> +        max_sew = max_sew > 4 ? max_sew : 4;
> +    }
> +    if (sew > max_sew) {
> +        vector_vtype_set_ill(env);
> +        return;
> +    }
> +
> +    vlmax = vector_get_vlmax(env);
> +    if (rs1 == 0) {
> +        vl = vlmax;
> +    } else if (env->gpr[rs1] <= vlmax) {
> +        vl = env->gpr[rs1];
> +    } else if (env->gpr[rs1] < 2 * vlmax) {
> +        vl = ceil(env->gpr[rs1] / 2);
> +    } else {
> +        vl = vlmax;
> +    }
> +    env->vfp.vl = vl;
> +    env->gpr[rd] = vl;
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsetvli)(CPURISCVState *env, uint32_t rs1, uint32_t
> zimm,
> +    uint32_t rd)
> +{
> +    int sew, max_sew, vlmax, vl;
> +
> +    env->vfp.vtype = zimm;
> +    sew = vector_get_width(env) / 8;
> +    max_sew = sizeof(target_ulong);
> +
> +    if (env->misa & RVD) {
> +        max_sew = max_sew > 8 ? max_sew : 8;
> +    } else if (env->misa & RVF) {
> +        max_sew = max_sew > 4 ? max_sew : 4;
> +    }
> +    if (sew > max_sew) {
> +        vector_vtype_set_ill(env);
> +        return;
> +    }
> +
> +    vlmax = vector_get_vlmax(env);
> +    if (rs1 == 0) {
> +        vl = vlmax;
> +    } else if (env->gpr[rs1] <= vlmax) {
> +        vl = env->gpr[rs1];
> +    } else if (env->gpr[rs1] < 2 * vlmax) {
> +        vl = ceil(env->gpr[rs1] / 2);
> +    } else {
> +        vl = vlmax;
> +    }
> +    env->vfp.vl = vl;
> +    env->gpr[rd] = vl;
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/*
> + * vrgather.vv vd, vs2, vs1, vm #
> + * vd[i] = (vs1[i] >= VLMAX) ? 0 : vs2[vs1[i]];
> + */
> +void VECTOR_HELPER(vrgather_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src, src1;
> +    uint32_t index;
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +            || vector_overlap_vm_force(vm, rd)
> +            || vector_overlap_dstgp_srcgp(rd, lmul, rs1, lmul)
> +            || vector_overlap_dstgp_srcgp(rd, lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                index = env->vfp.vreg[src1].u8[j];
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (index >= vlmax) {
> +                        env->vfp.vreg[dest].u8[j] = 0;
> +                    } else {
> +                        src = rs2 + (index / (VLEN / width));
> +                        index = index % (VLEN / width);
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->vfp.vreg[src].u8[index];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                index = env->vfp.vreg[src1].u16[j];
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (index >= vlmax) {
> +                        env->vfp.vreg[dest].u16[j] = 0;
> +                    } else {
> +                        src = rs2 + (index / (VLEN / width));
> +                        index = index % (VLEN / width);
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->vfp.vreg[src].u16[index];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                index = env->vfp.vreg[src1].u32[j];
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (index >= vlmax) {
> +                        env->vfp.vreg[dest].u32[j] = 0;
> +                    } else {
> +                        src = rs2 + (index / (VLEN / width));
> +                        index = index % (VLEN / width);
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->vfp.vreg[src].u32[index];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                index = env->vfp.vreg[src1].u64[j];
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (index >= vlmax) {
> +                        env->vfp.vreg[dest].u64[j] = 0;
> +                    } else {
> +                        src = rs2 + (index / (VLEN / width));
> +                        index = index % (VLEN / width);
> +                        env->vfp.vreg[dest].u64[j] =
> +                            env->vfp.vreg[src].u64[index];
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vrgather.vx vd, vs2, rs1, vm # vd[i] = (x[rs1] >= VLMAX) ? 0 :
> vs2[rs1] */
> +void VECTOR_HELPER(vrgather_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src;
> +    uint32_t index;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +            || vector_overlap_vm_force(vm, rd)
> +            || vector_overlap_dstgp_srcgp(rd, lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                index = env->gpr[rs1];
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (index >= vlmax) {
> +                        env->vfp.vreg[dest].u8[j] = 0;
> +                    } else {
> +                        src = rs2 + (index / (VLEN / width));
> +                        index = index % (VLEN / width);
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->vfp.vreg[src].u8[index];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                index = env->gpr[rs1];
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (index >= vlmax) {
> +                        env->vfp.vreg[dest].u16[j] = 0;
> +                    } else {
> +                        src = rs2 + (index / (VLEN / width));
> +                        index = index % (VLEN / width);
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->vfp.vreg[src].u16[index];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                index = env->gpr[rs1];
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (index >= vlmax) {
> +                        env->vfp.vreg[dest].u32[j] = 0;
> +                    } else {
> +                        src = rs2 + (index / (VLEN / width));
> +                        index = index % (VLEN / width);
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->vfp.vreg[src].u32[index];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                index = env->gpr[rs1];
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (index >= vlmax) {
> +                        env->vfp.vreg[dest].u64[j] = 0;
> +                    } else {
> +                        src = rs2 + (index / (VLEN / width));
> +                        index = index % (VLEN / width);
> +                        env->vfp.vreg[dest].u64[j] =
> +                            env->vfp.vreg[src].u64[index];
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vrgather.vi vd, vs2, imm, vm # vd[i] = (imm >= VLMAX) ? 0 : vs2[imm]
> */
> +void VECTOR_HELPER(vrgather_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src;
> +    uint32_t index;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +            || vector_overlap_vm_force(vm, rd)
> +            || vector_overlap_dstgp_srcgp(rd, lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                index = rs1;
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (index >= vlmax) {
> +                        env->vfp.vreg[dest].u8[j] = 0;
> +                    } else {
> +                        src = rs2 + (index / (VLEN / width));
> +                        index = index % (VLEN / width);
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->vfp.vreg[src].u8[index];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                index = rs1;
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (index >= vlmax) {
> +                        env->vfp.vreg[dest].u16[j] = 0;
> +                    } else {
> +                        src = rs2 + (index / (VLEN / width));
> +                        index = index % (VLEN / width);
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->vfp.vreg[src].u16[index];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                index = rs1;
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (index >= vlmax) {
> +                        env->vfp.vreg[dest].u32[j] = 0;
> +                    } else {
> +                        src = rs2 + (index / (VLEN / width));
> +                        index = index % (VLEN / width);
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->vfp.vreg[src].u32[index];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                index = rs1;
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (index >= vlmax) {
> +                        env->vfp.vreg[dest].u64[j] = 0;
> +                    } else {
> +                        src = rs2 + (index / (VLEN / width));
> +                        index = index % (VLEN / width);
> +                        env->vfp.vreg[dest].u64[j] =
> +                            env->vfp.vreg[src].u64[index];
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vext_x_v)(CPURISCVState *env, uint32_t rs1, uint32_t
> rs2,
> +    uint32_t rd)
> +{
> +    int width;
> +    uint64_t elem;
> +    target_ulong index = env->gpr[rs1];
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    width =  vector_get_width(env);
> +
> +    elem = vector_get_iu_elem(env, width, rs2, index);
> +    if (index >= VLEN / width) { /* index is too big */
> +        env->gpr[rd] = 0;
> +    } else {
> +        env->gpr[rd] = elem;
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfmv.f.s rd, vs2 # rd = vs2[0] (rs1=0)  */
> +void VECTOR_HELPER(vfmv_f_s)(CPURISCVState *env, uint32_t rs1, uint32_t
> rs2,
> +    uint32_t rd)
> +{
> +    int width, flen;
> +    uint64_t mask;
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    if (env->misa & RVD) {
> +        flen = 8;
> +    } else if (env->misa & RVF) {
> +        flen = 4;
> +    } else {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    width =  vector_get_width(env);
> +    mask  = (~((uint64_t)0)) << width;
> +
> +    if (width == 8) {
> +            env->fpr[rd] = (uint64_t)env->vfp.vreg[rs2].s8[0] | mask;
> +    } else if (width == 16) {
> +            env->fpr[rd] = (uint64_t)env->vfp.vreg[rs2].s16[0] | mask;
> +    } else if (width == 32) {
> +            env->fpr[rd] = (uint64_t)env->vfp.vreg[rs2].s32[0] | mask;
> +    } else if (width == 64) {
> +        if (flen == 4) {
> +            env->fpr[rd] = env->vfp.vreg[rs2].s64[0] & 0xffffffff;
> +        } else {
> +            env->fpr[rd] = env->vfp.vreg[rs2].s64[0];
> +        }
> +    } else {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmv.s.x vd, rs1 # vd[0] = rs1 */
> +void VECTOR_HELPER(vmv_s_x)(CPURISCVState *env, uint32_t rs1, uint32_t
> rs2,
> +    uint32_t rd)
> +{
> +    int width;
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart >= env->vfp.vl) {
> +        return;
> +    }
> +
> +    memset(&env->vfp.vreg[rd].u8[0], 0, VLEN / 8);
> +    width =  vector_get_width(env);
> +
> +    if (width == 8) {
> +        env->vfp.vreg[rd].u8[0] = env->gpr[rs1];
> +    } else if (width == 16) {
> +        env->vfp.vreg[rd].u16[0] = env->gpr[rs1];
> +    } else if (width == 32) {
> +        env->vfp.vreg[rd].u32[0] = env->gpr[rs1];
> +    } else if (width == 64) {
> +        env->vfp.vreg[rd].u64[0] = env->gpr[rs1];
> +    } else {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfmv.s.f vd, rs1 #  vd[0] = rs1 (vs2 = 0)  */
> +void VECTOR_HELPER(vfmv_s_f)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, flen;
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    if (env->vfp.vstart >= env->vfp.vl) {
> +        return;
> +    }
> +    if (env->misa & RVD) {
> +        flen = 8;
> +    } else if (env->misa & RVF) {
> +        flen = 4;
> +    } else {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    width =  vector_get_width(env);
> +
> +    if (width == 8) {
> +        env->vfp.vreg[rd].u8[0] = env->fpr[rs1];
> +    } else if (width == 16) {
> +        env->vfp.vreg[rd].u16[0] = env->fpr[rs1];
> +    } else if (width == 32) {
> +        env->vfp.vreg[rd].u32[0] = env->fpr[rs1];
> +    } else if (width == 64) {
> +        if (flen == 4) { /* 1-extended to FLEN bits */
> +            env->vfp.vreg[rd].u64[0] = (uint64_t)env->fpr[rs1]
> +                                        | 0xffffffff00000000;
> +        } else {
> +            env->vfp.vreg[rd].u64[0] = env->fpr[rs1];
> +        }
> +    } else {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vslideup.vx vd, vs2, rs1, vm # vd[i+rs1] = vs2[i] */
> +void VECTOR_HELPER(vslideup_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax, offset;
> +    int i, j, dest, src, k;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +            || vector_overlap_vm_force(vm, rd)
> +            || vector_overlap_dstgp_srcgp(rd, lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    offset = env->gpr[rs1];
> +
> +    if (offset < env->vfp.vstart) {
> +        offset = env->vfp.vstart;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src = rs2 + ((i - offset) / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = (i - offset) % (VLEN / width);
> +        if (i < offset) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] =
> +                        env->vfp.vreg[src].u8[k];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> +                        env->vfp.vreg[src].u16[k];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> +                        env->vfp.vreg[src].u32[k];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> +                        env->vfp.vreg[src].u64[k];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vslideup.vi vd, vs2, rs1, vm # vd[i+rs1] = vs2[i] */
> +void VECTOR_HELPER(vslideup_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax, offset;
> +    int i, j, dest, src, k;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +            || vector_overlap_vm_force(vm, rd)
> +            || vector_overlap_dstgp_srcgp(rd, lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    offset = rs1;
> +
> +    if (offset < env->vfp.vstart) {
> +        offset = env->vfp.vstart;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src = rs2 + ((i - offset) / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = (i - offset) % (VLEN / width);
> +        if (i < offset) {
> +            continue;
> +        } else if (i < vl) {
> +            if (width == 8) {
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] =
> +                        env->vfp.vreg[src].u8[k];
> +                }
> +            } else if (width == 16) {
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> +                        env->vfp.vreg[src].u16[k];
> +                }
> +            } else if (width == 32) {
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> +                        env->vfp.vreg[src].u32[k];
> +                }
> +            } else if (width == 64) {
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> +                        env->vfp.vreg[src].u64[k];
> +                }
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vslide1up.vx vd, vs2, rs1, vm # vd[0]=x[rs1], vd[i+1] = vs2[i] */
> +void VECTOR_HELPER(vslide1up_vx)(CPURISCVState *env, uint32_t vm,
> uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src, k;
> +    uint64_t s1;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +            || vector_overlap_vm_force(vm, rd)
> +            || vector_overlap_dstgp_srcgp(rd, lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    s1 = env->gpr[rs1];
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src = rs2 + ((i - 1) / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = (i - 1) % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i == 0 && env->vfp.vstart == 0) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = s1;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = s1;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = s1;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] = s1;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src].u8[k];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> +                        env->vfp.vreg[src].u16[k];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> +                        env->vfp.vreg[src].u32[k];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> +                        env->vfp.vreg[src].u64[k];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vslidedown.vx vd, vs2, rs1, vm # vd[i] = vs2[i + rs1] */
> +void VECTOR_HELPER(vslidedown_vx)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax, offset;
> +    int i, j, dest, src, k;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_force(vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    offset = env->gpr[rs1];
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src = rs2 + ((i + offset) / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = (i + offset) % (VLEN / width);
> +        if (i < offset) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (i + offset < vlmax) {
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->vfp.vreg[src].u8[k];
> +                    } else {
> +                        env->vfp.vreg[dest].u8[j] = 0;
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (i + offset < vlmax) {
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->vfp.vreg[src].u16[k];
> +                    } else {
> +                        env->vfp.vreg[dest].u16[j] = 0;
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (i + offset < vlmax) {
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->vfp.vreg[src].u32[k];
> +                    } else {
> +                        env->vfp.vreg[dest].u32[j] = 0;
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (i + offset < vlmax) {
> +                        env->vfp.vreg[dest].u64[j] =
> +                            env->vfp.vreg[src].u64[k];
> +                    } else {
> +                        env->vfp.vreg[dest].u64[j] = 0;
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vslidedown_vi)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax, offset;
> +    int i, j, dest, src, k;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_force(vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    offset = rs1;
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src = rs2 + ((i + offset) / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = (i + offset) % (VLEN / width);
> +        if (i < offset) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (i + offset < vlmax) {
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->vfp.vreg[src].u8[k];
> +                    } else {
> +                        env->vfp.vreg[dest].u8[j] = 0;
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (i + offset < vlmax) {
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->vfp.vreg[src].u16[k];
> +                    } else {
> +                        env->vfp.vreg[dest].u16[j] = 0;
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (i + offset < vlmax) {
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->vfp.vreg[src].u32[k];
> +                    } else {
> +                        env->vfp.vreg[dest].u32[j] = 0;
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (i + offset < vlmax) {
> +                        env->vfp.vreg[dest].u64[j] =
> +                            env->vfp.vreg[src].u64[k];
> +                    } else {
> +                        env->vfp.vreg[dest].u64[j] = 0;
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vslide1down.vx vd, vs2, rs1, vm # vd[vl - 1]=x[rs1], vd[i] = vs2[i +
> 1] */
> +void VECTOR_HELPER(vslide1down_vx)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src, k;
> +    uint64_t s1;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_force(vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    s1 = env->gpr[rs1];
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src = rs2 + ((i + 1) / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = (i + 1) % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i == vl - 1 && i >= env->vfp.vstart) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = s1;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = s1;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = s1;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] = s1;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else if (i < vl - 1) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src].u8[k];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> +                        env->vfp.vreg[src].u16[k];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> +                        env->vfp.vreg[src].u32[k];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> +                        env->vfp.vreg[src].u64[k];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/*
> + * vcompress.vm vd, vs2, vs1
> + * Compress into vd elements of vs2 where vs1 is enabled
> + */
> +void VECTOR_HELPER(vcompress_vm)(CPURISCVState *env, uint32_t rs1,
> uint32_t rs2,
> +    uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src;
> +    uint32_t vd_idx, num = 0;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env)
> +            || vector_overlap_dstgp_srcgp(rd, lmul, rs1, 1)
> +            || vector_overlap_dstgp_srcgp(rd, lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +       if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    /* zeroed all elements */
> +    for (i = 0; i < lmul; i++) {
> +        memset(&env->vfp.vreg[rd + i].u64[0], 0, VLEN / 8);
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (num / (VLEN / width));
> +        src = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        vd_idx = num % (VLEN / width);
> +        if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_mask_reg(env, rs1, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[vd_idx] =
> +                        env->vfp.vreg[src].u8[j];
> +                    num++;
> +                }
> +                break;
> +            case 16:
> +                if (vector_mask_reg(env, rs1, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[vd_idx] =
> +                        env->vfp.vreg[src].u16[j];
> +                    num++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_mask_reg(env, rs1, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[vd_idx] =
> +                        env->vfp.vreg[src].u32[j];
> +                    num++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_mask_reg(env, rs1, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[vd_idx] =
> +                        env->vfp.vreg[src].u64[j];
> +                    num++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vadd_vv)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src1].u8[j]
> +                        + env->vfp.vreg[src2].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src1].u16[j]
> +                        + env->vfp.vreg[src2].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src1].u32[j]
> +                        + env->vfp.vreg[src2].u32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src1].u64[j]
> +                        + env->vfp.vreg[src2].u64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vadd_vx)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->gpr[rs1]
> +                        + env->vfp.vreg[src2].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = env->gpr[rs1]
> +                        + env->vfp.vreg[src2].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = env->gpr[rs1]
> +                        + env->vfp.vreg[src2].u32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> +                        (uint64_t)extend_gpr(env->gpr[rs1])
> +                        + env->vfp.vreg[src2].u64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vadd_vi)(CPURISCVState *env, uint32_t vm,  uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = sign_extend(rs1, 5)
> +                        + env->vfp.vreg[src2].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = sign_extend(rs1, 5)
> +                        + env->vfp.vreg[src2].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = sign_extend(rs1, 5)
> +                        + env->vfp.vreg[src2].s32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = sign_extend(rs1, 5)
> +                        + env->vfp.vreg[src2].s64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vredsum.vs vd, vs2, vs1, vm # vd[0] = sum(vs1[0] , vs2[*]) */
> +void VECTOR_HELPER(vredsum_vs)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2;
> +    uint64_t sum = 0;
> +
> +    lmul = vector_get_lmul(env);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vl = env->vfp.vl;
> +    if (vl == 0) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < VLEN / 64; i++) {
> +        env->vfp.vreg[rd].u64[i] = 0;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +
> +        if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    sum += env->vfp.vreg[src2].u8[j];
> +                }
> +                if (i == 0) {
> +                    sum += env->vfp.vreg[rs1].u8[0];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u8[0] = sum;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    sum += env->vfp.vreg[src2].u16[j];
> +                }
> +                if (i == 0) {
> +                    sum += env->vfp.vreg[rs1].u16[0];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u16[0] = sum;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    sum += env->vfp.vreg[src2].u32[j];
> +                }
> +                if (i == 0) {
> +                    sum += env->vfp.vreg[rs1].u32[0];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u32[0] = sum;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    sum += env->vfp.vreg[src2].u64[j];
> +                }
> +                if (i == 0) {
> +                    sum += env->vfp.vreg[rs1].u64[0];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u64[0] = sum;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfadd.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vfadd_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_add(
> +
> env->vfp.vreg[src1].f16[j],
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_add(
> +
> env->vfp.vreg[src1].f32[j],
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_add(
> +
> env->vfp.vreg[src1].f64[j],
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfadd.vf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vfadd_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_add(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_add(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_add(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vredand.vs vd, vs2, vs1, vm # vd[0] = and( vs1[0] , vs2[*] ) */
> +void VECTOR_HELPER(vredand_vs)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2;
> +    uint64_t res = 0;
> +
> +    lmul = vector_get_lmul(env);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vl = env->vfp.vl;
> +    if (vl == 0) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < VLEN / 64; i++) {
> +        env->vfp.vreg[rd].u64[i] = 0;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +
> +        if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (i == 0) {
> +                    res = env->vfp.vreg[rs1].u8[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    res &= env->vfp.vreg[src2].u8[j];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u8[0] = res;
> +                }
> +                break;
> +            case 16:
> +                if (i == 0) {
> +                    res = env->vfp.vreg[rs1].u16[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    res &= env->vfp.vreg[src2].u16[j];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u16[0] = res;
> +                }
> +                break;
> +            case 32:
> +                if (i == 0) {
> +                    res = env->vfp.vreg[rs1].u32[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    res &= env->vfp.vreg[src2].u32[j];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u32[0] = res;
> +                }
> +                break;
> +            case 64:
> +                if (i == 0) {
> +                    res = env->vfp.vreg[rs1].u64[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    res &= env->vfp.vreg[src2].u64[j];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u64[0] = res;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfredsum.vs vd, vs2, vs1, vm # Unordered sum */
> +void VECTOR_HELPER(vfredsum_vs)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2;
> +    float16 sum16 = 0.0f;
> +    float32 sum32 = 0.0f;
> +    float64 sum64 = 0.0f;
> +
> +    lmul = vector_get_lmul(env);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vl = env->vfp.vl;
> +    if (vl == 0) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < VLEN / 64; i++) {
> +        env->vfp.vreg[rd].u64[i] = 0;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +
> +        if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (i == 0) {
> +                    sum16 = env->vfp.vreg[rs1].f16[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    sum16 = float16_add(sum16, env->vfp.vreg[src2].f16[j],
> +                        &env->fp_status);
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].f16[0] = sum16;
> +                }
> +                break;
> +            case 32:
> +                if (i == 0) {
> +                    sum32 = env->vfp.vreg[rs1].f32[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    sum32 = float32_add(sum32, env->vfp.vreg[src2].f32[j],
> +                        &env->fp_status);
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].f32[0] = sum32;
> +                }
> +                break;
> +            case 64:
> +                if (i == 0) {
> +                    sum64 = env->vfp.vreg[rs1].f64[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    sum64 = float64_add(sum64, env->vfp.vreg[src2].f64[j],
> +                        &env->fp_status);
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].f64[0] = sum64;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsub_vv)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src2].u8[j]
> +                        - env->vfp.vreg[src1].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u16[j]
> +                        - env->vfp.vreg[src1].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u32[j]
> +                        - env->vfp.vreg[src1].u32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src2].u64[j]
> +                        - env->vfp.vreg[src1].u64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vsub_vx)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src2].u8[j]
> +                        - env->gpr[rs1];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u16[j]
> +                        - env->gpr[rs1];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u32[j]
> +                        - env->gpr[rs1];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src2].u64[j]
> +                        - (uint64_t)extend_gpr(env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vredor.vs vd, vs2, vs1, vm # vd[0] = or( vs1[0] , vs2[*] ) */
> +void VECTOR_HELPER(vredor_vs)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2;
> +    uint64_t res = 0;
> +
> +    lmul = vector_get_lmul(env);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vl = env->vfp.vl;
> +    if (vl == 0) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < VLEN / 64; i++) {
> +        env->vfp.vreg[rd].u64[i] = 0;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +
> +        if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (i == 0) {
> +                    res = env->vfp.vreg[rs1].u8[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    res |= env->vfp.vreg[src2].u8[j];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u8[0] = res;
> +                }
> +                break;
> +            case 16:
> +                if (i == 0) {
> +                    res = env->vfp.vreg[rs1].u16[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    res |= env->vfp.vreg[src2].u16[j];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u16[0] = res;
> +                }
> +                break;
> +            case 32:
> +                if (i == 0) {
> +                    res = env->vfp.vreg[rs1].u32[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    res |= env->vfp.vreg[src2].u32[j];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u32[0] = res;
> +                }
> +                break;
> +            case 64:
> +                if (i == 0) {
> +                    res = env->vfp.vreg[rs1].u64[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    res |= env->vfp.vreg[src2].u64[j];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u64[0] = res;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfsub.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vfsub_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_sub(
> +
> env->vfp.vreg[src2].f16[j],
> +
> env->vfp.vreg[src1].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_sub(
> +
> env->vfp.vreg[src2].f32[j],
> +
> env->vfp.vreg[src1].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_sub(
> +
> env->vfp.vreg[src2].f64[j],
> +
> env->vfp.vreg[src1].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfsub.vf vd, vs2, rs1, vm # Vector-scalar vd[i] = vs2[i] - f[rs1] */
> +void VECTOR_HELPER(vfsub_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_sub(
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    env->fpr[rs1],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_sub(
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    env->fpr[rs1],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_sub(
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    env->fpr[rs1],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vrsub_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->gpr[rs1]
> +                        - env->vfp.vreg[src2].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = env->gpr[rs1]
> +                        - env->vfp.vreg[src2].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = env->gpr[rs1]
> +                        - env->vfp.vreg[src2].u32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> +                        (uint64_t)extend_gpr(env->gpr[rs1])
> +                        - env->vfp.vreg[src2].u64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vrsub_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = sign_extend(rs1, 5)
> +                        - env->vfp.vreg[src2].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = sign_extend(rs1, 5)
> +                        - env->vfp.vreg[src2].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = sign_extend(rs1, 5)
> +                        - env->vfp.vreg[src2].s32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = sign_extend(rs1, 5)
> +                        - env->vfp.vreg[src2].s64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vredxor.vs vd, vs2, vs1, vm # vd[0] = xor( vs1[0] , vs2[*] ) */
> +void VECTOR_HELPER(vredxor_vs)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2;
> +    uint64_t res = 0;
> +
> +    lmul = vector_get_lmul(env);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vl = env->vfp.vl;
> +    if (vl == 0) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < VLEN / 64; i++) {
> +        env->vfp.vreg[rd].u64[i] = 0;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +
> +        if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (i == 0) {
> +                    res = env->vfp.vreg[rs1].u8[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    res ^= env->vfp.vreg[src2].u8[j];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u8[0] = res;
> +                }
> +                break;
> +            case 16:
> +                if (i == 0) {
> +                    res = env->vfp.vreg[rs1].u16[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    res ^= env->vfp.vreg[src2].u16[j];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u16[0] = res;
> +                }
> +                break;
> +            case 32:
> +                if (i == 0) {
> +                    res = env->vfp.vreg[rs1].u32[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    res ^= env->vfp.vreg[src2].u32[j];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u32[0] = res;
> +                }
> +                break;
> +            case 64:
> +                if (i == 0) {
> +                    res = env->vfp.vreg[rs1].u64[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    res ^= env->vfp.vreg[src2].u64[j];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u64[0] = res;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfredosum.vs vd, vs2, vs1, vm # Ordered sum */
> +void VECTOR_HELPER(vfredosum_vs)(CPURISCVState *env, uint32_t vm,
> uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    helper_vector_vfredsum_vs(env, vm, rs1, rs2, rd);
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vminu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u8[j] <=
> +                            env->vfp.vreg[src2].u8[j]) {
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->vfp.vreg[src1].u8[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->vfp.vreg[src2].u8[j];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u16[j] <=
> +                            env->vfp.vreg[src2].u16[j]) {
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->vfp.vreg[src1].u16[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->vfp.vreg[src2].u16[j];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u32[j] <=
> +                            env->vfp.vreg[src2].u32[j]) {
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->vfp.vreg[src1].u32[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->vfp.vreg[src2].u32[j];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u64[j] <=
> +                            env->vfp.vreg[src2].u64[j]) {
> +                        env->vfp.vreg[dest].u64[j] =
> +                            env->vfp.vreg[src1].u64[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u64[j] =
> +                            env->vfp.vreg[src2].u64[j];
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vminu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint8_t)env->gpr[rs1] <=
> +                            env->vfp.vreg[src2].u8[j]) {
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->gpr[rs1];
> +                    } else {
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->vfp.vreg[src2].u8[j];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint16_t)env->gpr[rs1] <=
> +                            env->vfp.vreg[src2].u16[j]) {
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->gpr[rs1];
> +                    } else {
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->vfp.vreg[src2].u16[j];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint32_t)env->gpr[rs1] <=
> +                            env->vfp.vreg[src2].u32[j]) {
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->gpr[rs1];
> +                    } else {
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->vfp.vreg[src2].u32[j];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint64_t)extend_gpr(env->gpr[rs1]) <=
> +                            env->vfp.vreg[src2].u64[j]) {
> +                        env->vfp.vreg[dest].u64[j] =
> +                            (uint64_t)extend_gpr(env->gpr[rs1]);
> +                    } else {
> +                        env->vfp.vreg[dest].u64[j] =
> +                            env->vfp.vreg[src2].u64[j];
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vredminu.vs vd, vs2, vs1, vm # vd[0] = minu( vs1[0] , vs2[*] ) */
> +void VECTOR_HELPER(vredminu_vs)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2;
> +    uint64_t minu = 0;
> +
> +    lmul = vector_get_lmul(env);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vl = env->vfp.vl;
> +    if (vl == 0) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < VLEN / 64; i++) {
> +        env->vfp.vreg[rd].u64[i] = 0;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +
> +        if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (i == 0) {
> +                    minu = env->vfp.vreg[rs1].u8[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (minu > env->vfp.vreg[src2].u8[j]) {
> +                        minu = env->vfp.vreg[src2].u8[j];
> +                    }
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u8[0] = minu;
> +                }
> +                break;
> +            case 16:
> +                if (i == 0) {
> +                    minu = env->vfp.vreg[rs1].u16[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (minu > env->vfp.vreg[src2].u16[j]) {
> +                        minu = env->vfp.vreg[src2].u16[j];
> +                    }
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u16[0] = minu;
> +                }
> +                break;
> +            case 32:
> +                if (i == 0) {
> +                    minu = env->vfp.vreg[rs1].u32[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (minu > env->vfp.vreg[src2].u32[j]) {
> +                        minu = env->vfp.vreg[src2].u32[j];
> +                    }
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u32[0] = minu;
> +                }
> +                break;
> +            case 64:
> +                if (i == 0) {
> +                    minu = env->vfp.vreg[rs1].u64[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (minu > env->vfp.vreg[src2].u64[j]) {
> +                        minu = env->vfp.vreg[src2].u64[j];
> +                    }
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u64[0] = minu;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfmin.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vfmin_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_minnum(
> +
> env->vfp.vreg[src1].f16[j],
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_minnum(
> +
> env->vfp.vreg[src1].f32[j],
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_minnum(
> +
> env->vfp.vreg[src1].f64[j],
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f16[j] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f32[j] = 0;
> +            case 64:
> +                env->vfp.vreg[dest].f64[j] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfmin.vf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vfmin_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_minnum(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_minnum(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_minnum(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f16[j] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f32[j] = 0;
> +            case 64:
> +                env->vfp.vreg[dest].f64[j] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmin_vv)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].s8[j] <=
> +                            env->vfp.vreg[src2].s8[j]) {
> +                        env->vfp.vreg[dest].s8[j] =
> +                            env->vfp.vreg[src1].s8[j];
> +                    } else {
> +                        env->vfp.vreg[dest].s8[j] =
> +                            env->vfp.vreg[src2].s8[j];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].s16[j] <=
> +                            env->vfp.vreg[src2].s16[j]) {
> +                        env->vfp.vreg[dest].s16[j] =
> +                            env->vfp.vreg[src1].s16[j];
> +                    } else {
> +                        env->vfp.vreg[dest].s16[j] =
> +                            env->vfp.vreg[src2].s16[j];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].s32[j] <=
> +                            env->vfp.vreg[src2].s32[j]) {
> +                        env->vfp.vreg[dest].s32[j] =
> +                            env->vfp.vreg[src1].s32[j];
> +                    } else {
> +                        env->vfp.vreg[dest].s32[j] =
> +                            env->vfp.vreg[src2].s32[j];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].s64[j] <=
> +                            env->vfp.vreg[src2].s64[j]) {
> +                        env->vfp.vreg[dest].s64[j] =
> +                            env->vfp.vreg[src1].s64[j];
> +                    } else {
> +                        env->vfp.vreg[dest].s64[j] =
> +                            env->vfp.vreg[src2].s64[j];
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmin_vx)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((int8_t)env->gpr[rs1] <=
> +                            env->vfp.vreg[src2].s8[j]) {
> +                        env->vfp.vreg[dest].s8[j] =
> +                            env->gpr[rs1];
> +                    } else {
> +                        env->vfp.vreg[dest].s8[j] =
> +                            env->vfp.vreg[src2].s8[j];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((int16_t)env->gpr[rs1] <=
> +                            env->vfp.vreg[src2].s16[j]) {
> +                        env->vfp.vreg[dest].s16[j] =
> +                            env->gpr[rs1];
> +                    } else {
> +                        env->vfp.vreg[dest].s16[j] =
> +                            env->vfp.vreg[src2].s16[j];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((int32_t)env->gpr[rs1] <=
> +                            env->vfp.vreg[src2].s32[j]) {
> +                        env->vfp.vreg[dest].s32[j] =
> +                            env->gpr[rs1];
> +                    } else {
> +                        env->vfp.vreg[dest].s32[j] =
> +                            env->vfp.vreg[src2].s32[j];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((int64_t)extend_gpr(env->gpr[rs1]) <=
> +                            env->vfp.vreg[src2].s64[j]) {
> +                        env->vfp.vreg[dest].s64[j] =
> +                            (int64_t)extend_gpr(env->gpr[rs1]);
> +                    } else {
> +                        env->vfp.vreg[dest].s64[j] =
> +                            env->vfp.vreg[src2].s64[j];
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vredmin.vs vd, vs2, vs1, vm # vd[0] = min( vs1[0] , vs2[*] ) */
> +void VECTOR_HELPER(vredmin_vs)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2;
> +    int64_t min = 0;
> +
> +    lmul = vector_get_lmul(env);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vl = env->vfp.vl;
> +    if (vl == 0) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < VLEN / 64; i++) {
> +        env->vfp.vreg[rd].u64[i] = 0;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +
> +        if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (i == 0) {
> +                    min = env->vfp.vreg[rs1].s8[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (min > env->vfp.vreg[src2].s8[j]) {
> +                        min = env->vfp.vreg[src2].s8[j];
> +                    }
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].s8[0] = min;
> +                }
> +                break;
> +            case 16:
> +                if (i == 0) {
> +                    min = env->vfp.vreg[rs1].s16[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (min > env->vfp.vreg[src2].s16[j]) {
> +                        min = env->vfp.vreg[src2].s16[j];
> +                    }
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].s16[0] = min;
> +                }
> +                break;
> +            case 32:
> +                if (i == 0) {
> +                    min = env->vfp.vreg[rs1].s32[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (min > env->vfp.vreg[src2].s32[j]) {
> +                        min = env->vfp.vreg[src2].s32[j];
> +                    }
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].s32[0] = min;
> +                }
> +                break;
> +            case 64:
> +                if (i == 0) {
> +                    min = env->vfp.vreg[rs1].s64[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (min > env->vfp.vreg[src2].s64[j]) {
> +                        min = env->vfp.vreg[src2].s64[j];
> +                    }
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].s64[0] = min;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfredmin.vs vd, vs2, vs1, vm # Minimum value */
> +void VECTOR_HELPER(vfredmin_vs)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2;
> +    float16 min16 = 0.0f;
> +    float32 min32 = 0.0f;
> +    float64 min64 = 0.0f;
> +
> +    lmul = vector_get_lmul(env);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vl = env->vfp.vl;
> +    if (vl == 0) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < VLEN / 64; i++) {
> +        env->vfp.vreg[rd].u64[i] = 0;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +
> +        if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (i == 0) {
> +                    min16 = env->vfp.vreg[rs1].f16[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    min16 = float16_minnum(min16,
> env->vfp.vreg[src2].f16[j],
> +                        &env->fp_status);
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].f16[0] = min16;
> +                }
> +                break;
> +            case 32:
> +                if (i == 0) {
> +                    min32 = env->vfp.vreg[rs1].f32[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    min32 = float32_minnum(min32,
> env->vfp.vreg[src2].f32[j],
> +                        &env->fp_status);
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].f32[0] = min32;
> +                }
> +                break;
> +            case 64:
> +                if (i == 0) {
> +                    min64 = env->vfp.vreg[rs1].f64[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    min64 = float64_minnum(min64,
> env->vfp.vreg[src2].f64[j],
> +                        &env->fp_status);
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].f64[0] = min64;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmaxu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u8[j] >=
> +                            env->vfp.vreg[src2].u8[j]) {
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->vfp.vreg[src1].u8[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->vfp.vreg[src2].u8[j];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u16[j] >=
> +                            env->vfp.vreg[src2].u16[j]) {
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->vfp.vreg[src1].u16[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->vfp.vreg[src2].u16[j];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u32[j] >=
> +                            env->vfp.vreg[src2].u32[j]) {
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->vfp.vreg[src1].u32[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->vfp.vreg[src2].u32[j];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u64[j] >=
> +                            env->vfp.vreg[src2].u64[j]) {
> +                        env->vfp.vreg[dest].u64[j] =
> +                            env->vfp.vreg[src1].u64[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u64[j] =
> +                            env->vfp.vreg[src2].u64[j];
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vmaxu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint8_t)env->gpr[rs1] >=
> +                            env->vfp.vreg[src2].u8[j]) {
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->gpr[rs1];
> +                    } else {
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->vfp.vreg[src2].u8[j];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint16_t)env->gpr[rs1] >=
> +                            env->vfp.vreg[src2].u16[j]) {
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->gpr[rs1];
> +                    } else {
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->vfp.vreg[src2].u16[j];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint32_t)env->gpr[rs1] >=
> +                            env->vfp.vreg[src2].u32[j]) {
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->gpr[rs1];
> +                    } else {
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->vfp.vreg[src2].u32[j];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint64_t)extend_gpr(env->gpr[rs1]) >=
> +                            env->vfp.vreg[src2].u64[j]) {
> +                        env->vfp.vreg[dest].u64[j] =
> +                            (uint64_t)extend_gpr(env->gpr[rs1]);
> +                    } else {
> +                        env->vfp.vreg[dest].u64[j] =
> +                            env->vfp.vreg[src2].u64[j];
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vredmaxu.vs vd, vs2, vs1, vm # vd[0] = maxu( vs1[0] , vs2[*] ) */
> +void VECTOR_HELPER(vredmaxu_vs)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2;
> +    uint64_t maxu = 0;
> +
> +    lmul = vector_get_lmul(env);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vl = env->vfp.vl;
> +    if (vl == 0) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < VLEN / 64; i++) {
> +        env->vfp.vreg[rd].u64[i] = 0;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +
> +        if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (i == 0) {
> +                    maxu = env->vfp.vreg[rs1].u8[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (maxu < env->vfp.vreg[src2].u8[j]) {
> +                        maxu = env->vfp.vreg[src2].u8[j];
> +                    }
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u8[0] = maxu;
> +                }
> +                break;
> +            case 16:
> +                if (i == 0) {
> +                    maxu = env->vfp.vreg[rs1].u16[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (maxu < env->vfp.vreg[src2].u16[j]) {
> +                        maxu = env->vfp.vreg[src2].u16[j];
> +                    }
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u16[0] = maxu;
> +                }
> +                break;
> +            case 32:
> +                if (i == 0) {
> +                    maxu = env->vfp.vreg[rs1].u32[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (maxu < env->vfp.vreg[src2].u32[j]) {
> +                        maxu = env->vfp.vreg[src2].u32[j];
> +                    }
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u32[0] = maxu;
> +                }
> +                break;
> +            case 64:
> +                if (i == 0) {
> +                    maxu = env->vfp.vreg[rs1].u64[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (maxu < env->vfp.vreg[src2].u64[j]) {
> +                        maxu = env->vfp.vreg[src2].u64[j];
> +                    }
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u64[0] = maxu;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/*vfmax.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vfmax_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_maxnum(
> +
> env->vfp.vreg[src1].f16[j],
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_maxnum(
> +
> env->vfp.vreg[src1].f32[j],
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_maxnum(
> +
> env->vfp.vreg[src1].f64[j],
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f16[j] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f32[j] = 0;
> +            case 64:
> +                env->vfp.vreg[dest].f64[j] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfmax.vf vd, vs2, rs1, vm  # vector-scalar */
> +void VECTOR_HELPER(vfmax_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_maxnum(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_maxnum(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_maxnum(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f16[j] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f32[j] = 0;
> +            case 64:
> +                env->vfp.vreg[dest].f64[j] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmax_vv)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].s8[j] >=
> +                            env->vfp.vreg[src2].s8[j]) {
> +                        env->vfp.vreg[dest].s8[j] =
> +                            env->vfp.vreg[src1].s8[j];
> +                    } else {
> +                        env->vfp.vreg[dest].s8[j] =
> +                            env->vfp.vreg[src2].s8[j];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].s16[j] >=
> +                            env->vfp.vreg[src2].s16[j]) {
> +                        env->vfp.vreg[dest].s16[j] =
> +                            env->vfp.vreg[src1].s16[j];
> +                    } else {
> +                        env->vfp.vreg[dest].s16[j] =
> +                            env->vfp.vreg[src2].s16[j];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].s32[j] >=
> +                            env->vfp.vreg[src2].s32[j]) {
> +                        env->vfp.vreg[dest].s32[j] =
> +                            env->vfp.vreg[src1].s32[j];
> +                    } else {
> +                        env->vfp.vreg[dest].s32[j] =
> +                            env->vfp.vreg[src2].s32[j];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].s64[j] >=
> +                            env->vfp.vreg[src2].s64[j]) {
> +                        env->vfp.vreg[dest].s64[j] =
> +                            env->vfp.vreg[src1].s64[j];
> +                    } else {
> +                        env->vfp.vreg[dest].s64[j] =
> +                            env->vfp.vreg[src2].s64[j];
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmax_vx)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((int8_t)env->gpr[rs1] >=
> +                            env->vfp.vreg[src2].s8[j]) {
> +                        env->vfp.vreg[dest].s8[j] =
> +                            env->gpr[rs1];
> +                    } else {
> +                        env->vfp.vreg[dest].s8[j] =
> +                            env->vfp.vreg[src2].s8[j];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((int16_t)env->gpr[rs1] >=
> +                            env->vfp.vreg[src2].s16[j]) {
> +                        env->vfp.vreg[dest].s16[j] =
> +                            env->gpr[rs1];
> +                    } else {
> +                        env->vfp.vreg[dest].s16[j] =
> +                            env->vfp.vreg[src2].s16[j];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((int32_t)env->gpr[rs1] >=
> +                            env->vfp.vreg[src2].s32[j]) {
> +                        env->vfp.vreg[dest].s32[j] =
> +                            env->gpr[rs1];
> +                    } else {
> +                        env->vfp.vreg[dest].s32[j] =
> +                            env->vfp.vreg[src2].s32[j];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((int64_t)extend_gpr(env->gpr[rs1]) >=
> +                            env->vfp.vreg[src2].s64[j]) {
> +                        env->vfp.vreg[dest].s64[j] =
> +                            (int64_t)extend_gpr(env->gpr[rs1]);
> +                    } else {
> +                        env->vfp.vreg[dest].s64[j] =
> +                            env->vfp.vreg[src2].s64[j];
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vredmax.vs vd, vs2, vs1, vm # vd[0] = max( vs1[0] , vs2[*] ) */
> +void VECTOR_HELPER(vredmax_vs)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2;
> +    int64_t max = 0;
> +
> +    lmul = vector_get_lmul(env);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vl = env->vfp.vl;
> +    if (vl == 0) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < VLEN / 64; i++) {
> +        env->vfp.vreg[rd].u64[i] = 0;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +
> +        if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (i == 0) {
> +                    max = env->vfp.vreg[rs1].s8[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (max < env->vfp.vreg[src2].s8[j]) {
> +                        max = env->vfp.vreg[src2].s8[j];
> +                    }
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].s8[0] = max;
> +                }
> +                break;
> +            case 16:
> +                if (i == 0) {
> +                    max = env->vfp.vreg[rs1].s16[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (max < env->vfp.vreg[src2].s16[j]) {
> +                        max = env->vfp.vreg[src2].s16[j];
> +                    }
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].s16[0] = max;
> +                }
> +                break;
> +            case 32:
> +                if (i == 0) {
> +                    max = env->vfp.vreg[rs1].s32[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (max < env->vfp.vreg[src2].s32[j]) {
> +                        max = env->vfp.vreg[src2].s32[j];
> +                    }
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].s32[0] = max;
> +                }
> +                break;
> +            case 64:
> +                if (i == 0) {
> +                    max = env->vfp.vreg[rs1].s64[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (max < env->vfp.vreg[src2].s64[j]) {
> +                        max = env->vfp.vreg[src2].s64[j];
> +                    }
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].s64[0] = max;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfredmax.vs vd, vs2, vs1, vm # Maximum value */
> +void VECTOR_HELPER(vfredmax_vs)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2;
> +    float16 max16 = 0.0f;
> +    float32 max32 = 0.0f;
> +    float64 max64 = 0.0f;
> +
> +    lmul = vector_get_lmul(env);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vl = env->vfp.vl;
> +    if (vl == 0) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < VLEN / 64; i++) {
> +        env->vfp.vreg[rd].u64[i] = 0;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +
> +        if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (i == 0) {
> +                    max16 = env->vfp.vreg[rs1].f16[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    max16 = float16_maxnum(max16,
> env->vfp.vreg[src2].f16[j],
> +                        &env->fp_status);
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].f16[0] = max16;
> +                }
> +                break;
> +            case 32:
> +                if (i == 0) {
> +                    max32 = env->vfp.vreg[rs1].f32[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    max32 = float32_maxnum(max32,
> env->vfp.vreg[src2].f32[j],
> +                        &env->fp_status);
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].f32[0] = max32;
> +                }
> +                break;
> +            case 64:
> +                if (i == 0) {
> +                    max64 = env->vfp.vreg[rs1].f64[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    max64 = float64_maxnum(max64,
> env->vfp.vreg[src2].f64[j],
> +                        &env->fp_status);
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].f64[0] = max64;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfsgnj.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vfsgnj_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = deposit16(
> +
> env->vfp.vreg[src1].f16[j],
> +                                                    0,
> +                                                    15,
> +
> env->vfp.vreg[src2].f16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = deposit32(
> +
> env->vfp.vreg[src1].f32[j],
> +                                                    0,
> +                                                    31,
> +
> env->vfp.vreg[src2].f32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = deposit64(
> +
> env->vfp.vreg[src1].f64[j],
> +                                                    0,
> +                                                    63,
> +
> env->vfp.vreg[src2].f64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f16[j] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f32[j] = 0;
> +            case 64:
> +                env->vfp.vreg[dest].f64[j] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfsgnj.vf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vfsgnj_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = deposit16(
> +                                                    env->fpr[rs1],
> +                                                    0,
> +                                                    15,
> +
> env->vfp.vreg[src2].f16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = deposit32(
> +                                                    env->fpr[rs1],
> +                                                    0,
> +                                                    31,
> +
> env->vfp.vreg[src2].f32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = deposit64(
> +                                                    env->fpr[rs1],
> +                                                    0,
> +                                                    63,
> +
> env->vfp.vreg[src2].f64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f16[j] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f32[j] = 0;
> +            case 64:
> +                env->vfp.vreg[dest].f64[j] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vand_vv)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src1].u8[j]
> +                        & env->vfp.vreg[src2].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src1].u16[j]
> +                        & env->vfp.vreg[src2].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src1].u32[j]
> +                        & env->vfp.vreg[src2].u32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src1].u64[j]
> +                        & env->vfp.vreg[src2].u64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vand_vx)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->gpr[rs1]
> +                        & env->vfp.vreg[src2].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = env->gpr[rs1]
> +                        & env->vfp.vreg[src2].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = env->gpr[rs1]
> +                        & env->vfp.vreg[src2].u32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> +                        (uint64_t)extend_gpr(env->gpr[rs1])
> +                        & env->vfp.vreg[src2].u64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vand_vi)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = sign_extend(rs1, 5)
> +                        & env->vfp.vreg[src2].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = sign_extend(rs1, 5)
> +                        & env->vfp.vreg[src2].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = sign_extend(rs1, 5)
> +                        & env->vfp.vreg[src2].s32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = sign_extend(rs1, 5)
> +                        & env->vfp.vreg[src2].s64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfsgnjn.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vfsgnjn_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = deposit16(
> +
> ~env->vfp.vreg[src1].f16[j],
> +                                                    0,
> +                                                    15,
> +
> env->vfp.vreg[src2].f16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = deposit32(
> +
> ~env->vfp.vreg[src1].f32[j],
> +                                                    0,
> +                                                    31,
> +
> env->vfp.vreg[src2].f32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = deposit64(
> +
> ~env->vfp.vreg[src1].f64[j],
> +                                                    0,
> +                                                    63,
> +
> env->vfp.vreg[src2].f64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f16[j] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f32[j] = 0;
> +            case 64:
> +                env->vfp.vreg[dest].f64[j] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +/* vfsgnjn.vf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vfsgnjn_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = deposit16(
> +                                                    ~env->fpr[rs1],
> +                                                    0,
> +                                                    15,
> +
> env->vfp.vreg[src2].f16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = deposit32(
> +                                                    ~env->fpr[rs1],
> +                                                    0,
> +                                                    31,
> +
> env->vfp.vreg[src2].f32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = deposit64(
> +                                                    ~env->fpr[rs1],
> +                                                    0,
> +                                                    63,
> +
> env->vfp.vreg[src2].f64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f16[j] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f32[j] = 0;
> +            case 64:
> +                env->vfp.vreg[dest].f64[j] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vor_vv)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src1].u8[j]
> +                        | env->vfp.vreg[src2].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src1].u16[j]
> +                        | env->vfp.vreg[src2].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src1].u32[j]
> +                        | env->vfp.vreg[src2].u32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src1].u64[j]
> +                        | env->vfp.vreg[src2].u64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vor_vx)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->gpr[rs1]
> +                        | env->vfp.vreg[src2].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = env->gpr[rs1]
> +                        | env->vfp.vreg[src2].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = env->gpr[rs1]
> +                        | env->vfp.vreg[src2].u32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> +                        (uint64_t)extend_gpr(env->gpr[rs1])
> +                        | env->vfp.vreg[src2].u64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vor_vi)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = sign_extend(rs1, 5)
> +                        | env->vfp.vreg[src2].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = sign_extend(rs1, 5)
> +                        | env->vfp.vreg[src2].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = sign_extend(rs1, 5)
> +                        | env->vfp.vreg[src2].s32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = sign_extend(rs1, 5)
> +                        | env->vfp.vreg[src2].s64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfsgnjx.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vfsgnjx_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = deposit16(
> +
> env->vfp.vreg[src1].f16[j] ^
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    0,
> +                                                    15,
> +
> env->vfp.vreg[src2].f16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = deposit32(
> +
> env->vfp.vreg[src1].f32[j] ^
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    0,
> +                                                    31,
> +
> env->vfp.vreg[src2].f32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = deposit64(
> +
> env->vfp.vreg[src1].f64[j] ^
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    0,
> +                                                    63,
> +
> env->vfp.vreg[src2].f64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f16[j] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f32[j] = 0;
> +            case 64:
> +                env->vfp.vreg[dest].f64[j] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfsgnjx.vf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vfsgnjx_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = deposit16(
> +                                                    env->fpr[rs1] ^
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    0,
> +                                                    15,
> +
> env->vfp.vreg[src2].f16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = deposit32(
> +                                                    env->fpr[rs1] ^
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    0,
> +                                                    31,
> +
> env->vfp.vreg[src2].f32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = deposit64(
> +                                                    env->fpr[rs1] ^
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    0,
> +                                                    63,
> +
> env->vfp.vreg[src2].f64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f16[j] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f32[j] = 0;
> +            case 64:
> +                env->vfp.vreg[dest].f64[j] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vxor_vv)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src1].u8[j]
> +                        ^ env->vfp.vreg[src2].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src1].u16[j]
> +                        ^ env->vfp.vreg[src2].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src1].u32[j]
> +                        ^ env->vfp.vreg[src2].u32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src1].u64[j]
> +                        ^ env->vfp.vreg[src2].u64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vxor_vx)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->gpr[rs1]
> +                        ^ env->vfp.vreg[src2].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = env->gpr[rs1]
> +                        ^ env->vfp.vreg[src2].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = env->gpr[rs1]
> +                        ^ env->vfp.vreg[src2].u32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> +                        (uint64_t)extend_gpr(env->gpr[rs1])
> +                        ^ env->vfp.vreg[src2].u64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vxor_vi)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = sign_extend(rs1, 5)
> +                        ^ env->vfp.vreg[src2].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = sign_extend(rs1, 5)
> +                        ^ env->vfp.vreg[src2].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = sign_extend(rs1, 5)
> +                        ^ env->vfp.vreg[src2].s32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = sign_extend(rs1, 5)
> +                        ^ env->vfp.vreg[src2].s64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vadc_vvm)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax, carry;
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_carry(lmul, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src1].u8[j]
> +                    + env->vfp.vreg[src2].u8[j] + carry;
> +                break;
> +            case 16:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u16[j] = env->vfp.vreg[src1].u16[j]
> +                    + env->vfp.vreg[src2].u16[j] + carry;
> +                break;
> +            case 32:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u32[j] = env->vfp.vreg[src1].u32[j]
> +                    + env->vfp.vreg[src2].u32[j] + carry;
> +                break;
> +            case 64:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u64[j] = env->vfp.vreg[src1].u64[j]
> +                    + env->vfp.vreg[src2].u64[j] + carry;
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vadc_vxm)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax, carry;
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_carry(lmul, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u8[j] = env->gpr[rs1]
> +                    + env->vfp.vreg[src2].u8[j] + carry;
> +                break;
> +            case 16:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u16[j] = env->gpr[rs1]
> +                    + env->vfp.vreg[src2].u16[j] + carry;
> +                break;
> +            case 32:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u32[j] = env->gpr[rs1]
> +                    + env->vfp.vreg[src2].u32[j] + carry;
> +                break;
> +            case 64:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u64[j] =
> (uint64_t)extend_gpr(env->gpr[rs1])
> +                    + env->vfp.vreg[src2].u64[j] + carry;
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vadc_vim)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax, carry;
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_carry(lmul, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u8[j] = sign_extend(rs1, 5)
> +                    + env->vfp.vreg[src2].u8[j] + carry;
> +                break;
> +            case 16:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u16[j] = sign_extend(rs1, 5)
> +                    + env->vfp.vreg[src2].u16[j] + carry;
> +                break;
> +            case 32:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u32[j] = sign_extend(rs1, 5)
> +                    + env->vfp.vreg[src2].u32[j] + carry;
> +                break;
> +            case 64:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u64[j] = sign_extend(rs1, 5)
> +                    + env->vfp.vreg[src2].u64[j] + carry;
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vmadc_vvm)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, vlmax, carry;
> +    uint64_t tmp;
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_dstgp_srcgp(rd, 1, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 1, rs2, lmul)
> +        || (rd == 0)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = env->vfp.vreg[src1].u8[j]
> +                    + env->vfp.vreg[src2].u8[j] + carry;
> +                tmp   = tmp >> width;
> +
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            case 16:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = env->vfp.vreg[src1].u16[j]
> +                    + env->vfp.vreg[src2].u16[j] + carry;
> +                tmp   = tmp >> width;
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            case 32:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = (uint64_t)env->vfp.vreg[src1].u32[j]
> +                    + (uint64_t)env->vfp.vreg[src2].u32[j] + carry;
> +                tmp   = tmp >> width;
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            case 64:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = env->vfp.vreg[src1].u64[j]
> +                    + env->vfp.vreg[src2].u64[j] + carry;
> +
> +                if ((tmp < env->vfp.vreg[src1].u64[j] ||
> +                        tmp < env->vfp.vreg[src2].u64[j])
> +                    || (env->vfp.vreg[src1].u64[j] == MAX_U64 &&
> +                        env->vfp.vreg[src2].u64[j] == MAX_U64)) {
> +                    tmp = 1;
> +                } else {
> +                    tmp = 0;
> +                }
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmadc_vxm)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax, carry;
> +    uint64_t tmp, extend_rs1;
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_dstgp_srcgp(rd, 1, rs2, lmul)
> +        || (rd == 0)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = (uint8_t)env->gpr[rs1]
> +                    + env->vfp.vreg[src2].u8[j] + carry;
> +                tmp   = tmp >> width;
> +
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            case 16:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = (uint16_t)env->gpr[rs1]
> +                    + env->vfp.vreg[src2].u16[j] + carry;
> +                tmp   = tmp >> width;
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            case 32:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = (uint64_t)((uint32_t)env->gpr[rs1])
> +                    + (uint64_t)env->vfp.vreg[src2].u32[j] + carry;
> +                tmp   = tmp >> width;
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            case 64:
> +                carry = vector_get_carry(env, width, lmul, i);
> +
> +                extend_rs1 = (uint64_t)extend_gpr(env->gpr[rs1]);
> +                tmp = extend_rs1 + env->vfp.vreg[src2].u64[j] + carry;
> +                if ((tmp < extend_rs1) ||
> +                    (carry && (env->vfp.vreg[src2].u64[j] == MAX_U64))) {
> +                    tmp = 1;
> +                } else {
> +                    tmp = 0;
> +                }
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vmadc_vim)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax, carry;
> +    uint64_t tmp;
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_dstgp_srcgp(rd, 1, rs2, lmul)
> +        || (rd == 0)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = (uint8_t)sign_extend(rs1, 5)
> +                    + env->vfp.vreg[src2].u8[j] + carry;
> +                tmp   = tmp >> width;
> +
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            case 16:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = (uint16_t)sign_extend(rs1, 5)
> +                    + env->vfp.vreg[src2].u16[j] + carry;
> +                tmp   = tmp >> width;
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            case 32:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = (uint64_t)((uint32_t)sign_extend(rs1, 5))
> +                    + (uint64_t)env->vfp.vreg[src2].u32[j] + carry;
> +                tmp   = tmp >> width;
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            case 64:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = (uint64_t)sign_extend(rs1, 5)
> +                    + env->vfp.vreg[src2].u64[j] + carry;
> +
> +                if ((tmp < (uint64_t)sign_extend(rs1, 5) ||
> +                        tmp < env->vfp.vreg[src2].u64[j])
> +                    || ((uint64_t)sign_extend(rs1, 5) == MAX_U64 &&
> +                        env->vfp.vreg[src2].u64[j] == MAX_U64)) {
> +                    tmp = 1;
> +                } else {
> +                    tmp = 0;
> +                }
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsbc_vvm)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax, carry;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_carry(lmul, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src2].u8[j]
> +                    - env->vfp.vreg[src1].u8[j] - carry;
> +                break;
> +            case 16:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u16[j] = env->vfp.vreg[src2].u16[j]
> +                    - env->vfp.vreg[src1].u16[j] - carry;
> +                break;
> +            case 32:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u32[j] = env->vfp.vreg[src2].u32[j]
> +                    - env->vfp.vreg[src1].u32[j] - carry;
> +                break;
> +            case 64:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u64[j] = env->vfp.vreg[src2].u64[j]
> +                    - env->vfp.vreg[src1].u64[j] - carry;
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vsbc_vxm)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax, carry;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_carry(lmul, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src2].u8[j]
> +                    - env->gpr[rs1] - carry;
> +                break;
> +            case 16:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u16[j] = env->vfp.vreg[src2].u16[j]
> +                    - env->gpr[rs1] - carry;
> +                break;
> +            case 32:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u32[j] = env->vfp.vreg[src2].u32[j]
> +                    - env->gpr[rs1] - carry;
> +                break;
> +            case 64:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                env->vfp.vreg[dest].u64[j] = env->vfp.vreg[src2].u64[j]
> +                    - (uint64_t)extend_gpr(env->gpr[rs1]) - carry;
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmsbc_vvm)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, vlmax, carry;
> +    uint64_t tmp;
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_dstgp_srcgp(rd, 1, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 1, rs2, lmul)
> +        || (rd == 0)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = env->vfp.vreg[src2].u8[j]
> +                    - env->vfp.vreg[src1].u8[j] - carry;
> +                tmp   = (tmp >> width) & 0x1;
> +
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            case 16:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = env->vfp.vreg[src2].u16[j]
> +                    - env->vfp.vreg[src1].u16[j] - carry;
> +                tmp   = (tmp >> width) & 0x1;
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            case 32:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = (uint64_t)env->vfp.vreg[src2].u32[j]
> +                    - (uint64_t)env->vfp.vreg[src1].u32[j] - carry;
> +                tmp   = (tmp >> width) & 0x1;
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            case 64:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = env->vfp.vreg[src2].u64[j]
> +                    - env->vfp.vreg[src1].u64[j] - carry;
> +
> +                if (((env->vfp.vreg[src1].u64[j] == MAX_U64) && carry) ||
> +                    env->vfp.vreg[src2].u64[j] <
> +                        (env->vfp.vreg[src1].u64[j] + carry)) {
> +                    tmp = 1;
> +                } else {
> +                    tmp = 0;
> +                }
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmsbc_vxm)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax, carry;
> +    uint64_t tmp, extend_rs1;
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_dstgp_srcgp(rd, 1, rs2, lmul)
> +        || (rd == 0)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = env->vfp.vreg[src2].u8[j]
> +                    - (uint8_t)env->gpr[rs1] - carry;
> +                tmp   = (tmp >> width) & 0x1;
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            case 16:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = env->vfp.vreg[src2].u16[j]
> +                    - (uint16_t)env->gpr[rs1] - carry;
> +                tmp   = (tmp >> width) & 0x1;
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            case 32:
> +                carry = vector_get_carry(env, width, lmul, i);
> +                tmp   = (uint64_t)env->vfp.vreg[src2].u32[j]
> +                    - (uint64_t)((uint32_t)env->gpr[rs1]) - carry;
> +                tmp   = (tmp >> width) & 0x1;
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +            case 64:
> +                carry = vector_get_carry(env, width, lmul, i);
> +
> +                extend_rs1 = (uint64_t)extend_gpr(env->gpr[rs1]);
> +                tmp = env->vfp.vreg[src2].u64[j] - extend_rs1 - carry;
> +
> +                if ((tmp > env->vfp.vreg[src2].u64[j]) ||
> +                    ((extend_rs1 == MAX_U64) && carry)) {
> +                    tmp = 1;
> +                } else {
> +                    tmp = 0;
> +                }
> +                vector_mask_result(env, rd, width, lmul, i, tmp);
> +                break;
> +
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmpopc.m rd, vs2, v0.t # x[rd] = sum_i ( vs2[i].LSB && v0[i].LSB ) */
> +void VECTOR_HELPER(vmpopc_m)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i;
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    env->gpr[rd] = 0;
> +
> +    for (i = 0; i < vlmax; i++) {
> +        if (i < vl) {
> +            if (vector_mask_reg(env, rs2, width, lmul, i) &&
> +                vector_elem_mask(env, vm, width, lmul, i)) {
> +                env->gpr[rd]++;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmfirst.m rd, vs2, vm */
> +void VECTOR_HELPER(vmfirst_m)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i;
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        if (i < vl) {
> +            if (vector_mask_reg(env, rs2, width, lmul, i) &&
> +                vector_elem_mask(env, vm, width, lmul, i)) {
> +                env->gpr[rd] = i;
> +                break;
> +            }
> +        } else {
> +            env->gpr[rd] = -1;
> +        }
> +    }
> +
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vmerge_vvm)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl, idx, pos;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vm == 0) {
> +                    vector_get_layout(env, width, lmul, i, &idx, &pos);
> +                    if (((env->vfp.vreg[0].u8[idx] >> pos) & 0x1) == 0) {
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->vfp.vreg[src2].u8[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->vfp.vreg[src1].u8[j];
> +                    }
> +                } else {
> +                    if (rs2 != 0) {
> +                        riscv_raise_exception(env,
> +                                RISCV_EXCP_ILLEGAL_INST, GETPC());
> +                    }
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src1].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vm == 0) {
> +                    vector_get_layout(env, width, lmul, i, &idx, &pos);
> +                    if (((env->vfp.vreg[0].u8[idx] >> pos) & 0x1) == 0) {
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->vfp.vreg[src2].u16[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->vfp.vreg[src1].u16[j];
> +                    }
> +                } else {
> +                    if (rs2 != 0) {
> +                        riscv_raise_exception(env,
> +                                RISCV_EXCP_ILLEGAL_INST, GETPC());
> +                    }
> +                    env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src1].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vm == 0) {
> +                    vector_get_layout(env, width, lmul, i, &idx, &pos);
> +                    if (((env->vfp.vreg[0].u8[idx] >> pos) & 0x1) == 0) {
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->vfp.vreg[src2].u32[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->vfp.vreg[src1].u32[j];
> +                    }
> +                } else {
> +                    if (rs2 != 0) {
> +                        riscv_raise_exception(env,
> +                                RISCV_EXCP_ILLEGAL_INST, GETPC());
> +                    }
> +                    env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src1].u32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vm == 0) {
> +                    vector_get_layout(env, width, lmul, i, &idx, &pos);
> +                    if (((env->vfp.vreg[0].u8[idx] >> pos) & 0x1) == 0) {
> +                        env->vfp.vreg[dest].u64[j] =
> +                            env->vfp.vreg[src2].u64[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u64[j] =
> +                            env->vfp.vreg[src1].u64[j];
> +                    }
> +                } else {
> +                    if (rs2 != 0) {
> +                        riscv_raise_exception(env,
> +                                RISCV_EXCP_ILLEGAL_INST, GETPC());
> +                    }
> +                    env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src1].u64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmerge_vxm)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl, idx, pos;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vm == 0) {
> +                    vector_get_layout(env, width, lmul, i, &idx, &pos);
> +                    if (((env->vfp.vreg[0].u8[idx] >> pos) & 0x1) == 0) {
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->vfp.vreg[src2].u8[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u8[j] = env->gpr[rs1];
> +                    }
> +                } else {
> +                    if (rs2 != 0) {
> +                        riscv_raise_exception(env,
> +                                RISCV_EXCP_ILLEGAL_INST, GETPC());
> +                    }
> +                    env->vfp.vreg[dest].u8[j] = env->gpr[rs1];
> +                }
> +                break;
> +            case 16:
> +                if (vm == 0) {
> +                    vector_get_layout(env, width, lmul, i, &idx, &pos);
> +                    if (((env->vfp.vreg[0].u8[idx] >> pos) & 0x1) == 0) {
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->vfp.vreg[src2].u16[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u16[j] = env->gpr[rs1];
> +                    }
> +                } else {
> +                    if (rs2 != 0) {
> +                        riscv_raise_exception(env,
> +                                RISCV_EXCP_ILLEGAL_INST, GETPC());
> +                    }
> +                    env->vfp.vreg[dest].u16[j] = env->gpr[rs1];
> +                }
> +                break;
> +            case 32:
> +                if (vm == 0) {
> +                    vector_get_layout(env, width, lmul, i, &idx, &pos);
> +                    if (((env->vfp.vreg[0].u8[idx] >> pos) & 0x1) == 0) {
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->vfp.vreg[src2].u32[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u32[j] = env->gpr[rs1];
> +                    }
> +                } else {
> +                    if (rs2 != 0) {
> +                        riscv_raise_exception(env,
> +                                RISCV_EXCP_ILLEGAL_INST, GETPC());
> +                    }
> +                    env->vfp.vreg[dest].u32[j] = env->gpr[rs1];
> +                }
> +                break;
> +            case 64:
> +                if (vm == 0) {
> +                    vector_get_layout(env, width, lmul, i, &idx, &pos);
> +                    if (((env->vfp.vreg[0].u8[idx] >> pos) & 0x1) == 0) {
> +                        env->vfp.vreg[dest].u64[j] =
> +                            env->vfp.vreg[src2].u64[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u64[j] =
> +                            (uint64_t)extend_gpr(env->gpr[rs1]);
> +                    }
> +                } else {
> +                    if (rs2 != 0) {
> +                        riscv_raise_exception(env,
> +                                RISCV_EXCP_ILLEGAL_INST, GETPC());
> +                    }
> +                    env->vfp.vreg[dest].u64[j] =
> +                        (uint64_t)extend_gpr(env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmerge_vim)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl, idx, pos;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vm == 0) {
> +                    vector_get_layout(env, width, lmul, i, &idx, &pos);
> +                    if (((env->vfp.vreg[0].u8[idx] >> pos) & 0x1) == 0) {
> +                        env->vfp.vreg[dest].u8[j] =
> +                            env->vfp.vreg[src2].u8[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u8[j] =
> +                            (uint8_t)sign_extend(rs1, 5);
> +                    }
> +                } else {
> +                    if (rs2 != 0) {
> +                        riscv_raise_exception(env,
> +                                RISCV_EXCP_ILLEGAL_INST, GETPC());
> +                    }
> +                    env->vfp.vreg[dest].u8[j] = (uint8_t)sign_extend(rs1,
> 5);
> +                }
> +                break;
> +            case 16:
> +                if (vm == 0) {
> +                    vector_get_layout(env, width, lmul, i, &idx, &pos);
> +                    if (((env->vfp.vreg[0].u8[idx] >> pos) & 0x1) == 0) {
> +                        env->vfp.vreg[dest].u16[j] =
> +                            env->vfp.vreg[src2].u16[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u16[j] =
> +                            (uint16_t)sign_extend(rs1, 5);
> +                    }
> +                } else {
> +                    if (rs2 != 0) {
> +                        riscv_raise_exception(env,
> +                                RISCV_EXCP_ILLEGAL_INST, GETPC());
> +                    }
> +                    env->vfp.vreg[dest].u16[j] =
> (uint16_t)sign_extend(rs1, 5);
> +                }
> +                break;
> +            case 32:
> +                if (vm == 0) {
> +                    vector_get_layout(env, width, lmul, i, &idx, &pos);
> +                    if (((env->vfp.vreg[0].u8[idx] >> pos) & 0x1) == 0) {
> +                        env->vfp.vreg[dest].u32[j] =
> +                            env->vfp.vreg[src2].u32[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u32[j] =
> +                            (uint32_t)sign_extend(rs1, 5);
> +                    }
> +                } else {
> +                    if (rs2 != 0) {
> +                        riscv_raise_exception(env,
> +                                RISCV_EXCP_ILLEGAL_INST, GETPC());
> +                    }
> +                    env->vfp.vreg[dest].u32[j] =
> (uint32_t)sign_extend(rs1, 5);
> +                }
> +                break;
> +            case 64:
> +                if (vm == 0) {
> +                    vector_get_layout(env, width, lmul, i, &idx, &pos);
> +                    if (((env->vfp.vreg[0].u8[idx] >> pos) & 0x1) == 0) {
> +                        env->vfp.vreg[dest].u64[j] =
> +                            env->vfp.vreg[src2].u64[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u64[j] =
> +                            (uint64_t)sign_extend(rs1, 5);
> +                    }
> +                } else {
> +                    if (rs2 != 0) {
> +                        riscv_raise_exception(env,
> +                                RISCV_EXCP_ILLEGAL_INST, GETPC());
> +                    }
> +                    env->vfp.vreg[dest].u64[j] =
> (uint64_t)sign_extend(rs1, 5);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfmerge.vfm vd, vs2, rs1, v0 # vd[i] = v0[i].LSB ? f[rs1] : vs2[i] */
> +void VECTOR_HELPER(vfmerge_vfm)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* vfmv.v.f vd, rs1 # vd[i] = f[rs1]; */
> +    if (vm && (rs2 != 0)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = env->fpr[rs1];
> +                } else {
> +                    env->vfp.vreg[dest].f16[j] =
> env->vfp.vreg[src2].f16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = env->fpr[rs1];
> +                } else {
> +                    env->vfp.vreg[dest].f32[j] =
> env->vfp.vreg[src2].f32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = env->fpr[rs1];
> +                } else {
> +                    env->vfp.vreg[dest].f64[j] =
> env->vfp.vreg[src2].f64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vmseq_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u8[j] ==
> +                            env->vfp.vreg[src2].u8[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u16[j] ==
> +                            env->vfp.vreg[src2].u16[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u32[j] ==
> +                            env->vfp.vreg[src2].u32[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u64[j] ==
> +                            env->vfp.vreg[src2].u64[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmseq_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint8_t)env->gpr[rs1] ==
> env->vfp.vreg[src2].u8[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint16_t)env->gpr[rs1] ==
> env->vfp.vreg[src2].u16[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint32_t)env->gpr[rs1] ==
> env->vfp.vreg[src2].u32[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint64_t)extend_gpr(env->gpr[rs1]) ==
> +                            env->vfp.vreg[src2].u64[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmseq_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint8_t)sign_extend(rs1, 5)
> +                        == env->vfp.vreg[src2].u8[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint16_t)sign_extend(rs1, 5)
> +                        == env->vfp.vreg[src2].u16[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint32_t)sign_extend(rs1, 5)
> +                        == env->vfp.vreg[src2].u32[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint64_t)sign_extend(rs1, 5) ==
> +                            env->vfp.vreg[src2].u64[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmandnot.mm vd, vs2, vs1 # vd = vs2 & ~vs1 */
> +void VECTOR_HELPER(vmandnot_mm)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, i, vlmax;
> +    uint32_t tmp;
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    lmul = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            tmp = ~vector_mask_reg(env, rs1, width, lmul, i) &
> +                    vector_mask_reg(env, rs2, width, lmul, i);
> +            vector_mask_result(env, rd, width, lmul, i, tmp);
> +        } else {
> +            vector_mask_result(env, rd, width, lmul, i, 0);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmfeq.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vmfeq_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src1, src2, result;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float16_eq_quiet(env->vfp.vreg[src1].f16[j],
> +                                              env->vfp.vreg[src2].f16[j],
> +                                              &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float32_eq_quiet(env->vfp.vreg[src1].f32[j],
> +                                              env->vfp.vreg[src2].f32[j],
> +                                              &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float64_eq_quiet(env->vfp.vreg[src1].f64[j],
> +                                              env->vfp.vreg[src2].f64[j],
> +                                              &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +            case 32:
> +            case 64:
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmfeq.vf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vmfeq_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2, result;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float16_eq_quiet(env->fpr[rs1],
> +                                              env->vfp.vreg[src2].f16[j],
> +                                              &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float32_eq_quiet(env->fpr[rs1],
> +                                              env->vfp.vreg[src2].f32[j],
> +                                              &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float64_eq_quiet(env->fpr[rs1],
> +                                              env->vfp.vreg[src2].f64[j],
> +                                              &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +            case 32:
> +            case 64:
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vmsne_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u8[j] !=
> +                            env->vfp.vreg[src2].u8[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u16[j] !=
> +                            env->vfp.vreg[src2].u16[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u32[j] !=
> +                            env->vfp.vreg[src2].u32[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u64[j] !=
> +                            env->vfp.vreg[src2].u64[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmsne_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint8_t)env->gpr[rs1] !=
> env->vfp.vreg[src2].u8[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint16_t)env->gpr[rs1] !=
> env->vfp.vreg[src2].u16[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint32_t)env->gpr[rs1] !=
> env->vfp.vreg[src2].u32[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint64_t)extend_gpr(env->gpr[rs1]) !=
> +                            env->vfp.vreg[src2].u64[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmsne_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint8_t)sign_extend(rs1, 5)
> +                        != env->vfp.vreg[src2].u8[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint16_t)sign_extend(rs1, 5)
> +                        != env->vfp.vreg[src2].u16[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint32_t)sign_extend(rs1, 5)
> +                        != env->vfp.vreg[src2].u32[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint64_t)sign_extend(rs1, 5) !=
> +                        env->vfp.vreg[src2].u64[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmand.mm vd, vs2, vs1 # vd = vs2 & vs1 */
> +void VECTOR_HELPER(vmand_mm)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, i, vlmax;
> +    uint32_t tmp;
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    lmul = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            tmp = vector_mask_reg(env, rs1, width, lmul, i) &
> +                    vector_mask_reg(env, rs2, width, lmul, i);
> +            vector_mask_result(env, rd, width, lmul, i, tmp);
> +        } else {
> +            vector_mask_result(env, rd, width, lmul, i, 0);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmfle.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vmfle_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src1, src2, result;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float16_le(env->vfp.vreg[src2].f16[j],
> +                                        env->vfp.vreg[src1].f16[j],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float32_le(env->vfp.vreg[src2].f32[j],
> +                                        env->vfp.vreg[src1].f32[j],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float64_le(env->vfp.vreg[src2].f64[j],
> +                                        env->vfp.vreg[src1].f64[j],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +            case 32:
> +            case 64:
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmfle.vf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vmfle_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2, result;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float16_le(env->vfp.vreg[src2].f16[j],
> +                                        env->fpr[rs1],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float32_le(env->vfp.vreg[src2].f32[j],
> +                                        env->fpr[rs1],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float64_le(env->vfp.vreg[src2].f64[j],
> +                                        env->fpr[rs1],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +            case 32:
> +            case 64:
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmsltu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u8[j] <
> +                            env->vfp.vreg[src1].u8[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u16[j] <
> +                            env->vfp.vreg[src1].u16[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u32[j] <
> +                            env->vfp.vreg[src1].u32[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u64[j] <
> +                            env->vfp.vreg[src1].u64[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmsltu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u8[j] <
> (uint8_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u16[j] <
> (uint16_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u32[j] <
> (uint32_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u64[j] <
> +                        (uint64_t)extend_gpr(env->gpr[rs1])) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmor.mm vd, vs2, vs1 # vd = vs2 | vs1 */
> +void VECTOR_HELPER(vmor_mm)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, i, vlmax;
> +    uint32_t tmp;
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    lmul = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            tmp = vector_mask_reg(env, rs1, width, lmul, i) |
> +                    vector_mask_reg(env, rs2, width, lmul, i);
> +            vector_mask_result(env, rd, width, lmul, i, tmp & 0x1);
> +        } else {
> +            vector_mask_result(env, rd, width, lmul, i, 0);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmford.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vmford_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src1, src2, result;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result =
> float16_unordered_quiet(env->vfp.vreg[src1].f16[j],
> +
>  env->vfp.vreg[src2].f16[j],
> +                                                     &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result =
> float32_unordered_quiet(env->vfp.vreg[src1].f32[j],
> +
>  env->vfp.vreg[src2].f32[j],
> +                                                     &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result =
> float64_unordered_quiet(env->vfp.vreg[src1].f64[j],
> +
>  env->vfp.vreg[src2].f64[j],
> +                                                     &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +            case 32:
> +            case 64:
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmford.vf vd, vs2, rs1, vm # Vector-scalar */
> +void VECTOR_HELPER(vmford_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2, result;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result =
> float16_unordered_quiet(env->vfp.vreg[src2].f16[j],
> +                                                     env->fpr[rs1],
> +                                                     &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result =
> float32_unordered_quiet(env->vfp.vreg[src2].f32[j],
> +                                                     env->fpr[rs1],
> +                                                     &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result =
> float64_unordered_quiet(env->vfp.vreg[src2].f64[j],
> +                                                     env->fpr[rs1],
> +                                                     &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +            case 32:
> +            case 64:
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmslt_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s8[j] <
> +                            env->vfp.vreg[src1].s8[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s16[j] <
> +                            env->vfp.vreg[src1].s16[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s32[j] <
> +                            env->vfp.vreg[src1].s32[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s64[j] <
> +                            env->vfp.vreg[src1].s64[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmslt_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s8[j] <
> (int8_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s16[j] <
> (int16_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s32[j] <
> (int32_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s64[j] <
> +                            (int64_t)extend_gpr(env->gpr[rs1])) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmxor.mm vd, vs2, vs1 # vd = vs2 ^ vs1 */
> +void VECTOR_HELPER(vmxor_mm)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, i, vlmax;
> +    uint32_t tmp;
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    lmul = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            tmp = vector_mask_reg(env, rs1, width, lmul, i) ^
> +                    vector_mask_reg(env, rs2, width, lmul, i);
> +            vector_mask_result(env, rd, width, lmul, i, tmp & 0x1);
> +        } else {
> +            vector_mask_result(env, rd, width, lmul, i, 0);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmflt.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vmflt_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src1, src2, result;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float16_lt(env->vfp.vreg[src2].f16[j],
> +                                        env->vfp.vreg[src1].f16[j],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float32_lt(env->vfp.vreg[src2].f32[j],
> +                                        env->vfp.vreg[src1].f32[j],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float64_lt(env->vfp.vreg[src2].f64[j],
> +                                        env->vfp.vreg[src1].f64[j],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +            case 32:
> +            case 64:
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmflt.vf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vmflt_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2, result;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float16_lt(env->vfp.vreg[src2].f16[j],
> +                                        env->fpr[rs1],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float32_lt(env->vfp.vreg[src2].f32[j],
> +                                        env->fpr[rs1],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float64_lt(env->vfp.vreg[src2].f64[j],
> +                                        env->fpr[rs1],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, result);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +            case 32:
> +            case 64:
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmsleu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u8[j] <=
> +                            env->vfp.vreg[src1].u8[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u16[j] <=
> +                            env->vfp.vreg[src1].u16[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u32[j] <=
> +                            env->vfp.vreg[src1].u32[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u64[j] <=
> +                            env->vfp.vreg[src1].u64[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmsleu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u8[j] <=
> (uint8_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u16[j] <=
> (uint16_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u32[j] <=
> (uint32_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u64[j] <=
> +                        (uint64_t)extend_gpr(env->gpr[rs1])) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmsleu_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u8[j] <= (uint8_t)rs1) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u16[j] <= (uint16_t)rs1) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u32[j] <= (uint32_t)rs1) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u64[j] <=
> +                        (uint64_t)rs1) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmornot.mm vd, vs2, vs1 # vd = vs2 | ~vs1 */
> +void VECTOR_HELPER(vmornot_mm)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, i, vlmax;
> +    uint32_t tmp;
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    lmul = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            tmp = ~vector_mask_reg(env, rs1, width, lmul, i) |
> +                    vector_mask_reg(env, rs2, width, lmul, i);
> +            vector_mask_result(env, rd, width, lmul, i, tmp & 0x1);
> +        } else {
> +            vector_mask_result(env, rd, width, lmul, i, 0);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmfne.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vmfne_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src1, src2, result;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float16_eq_quiet(env->vfp.vreg[src1].f16[j],
> +                                              env->vfp.vreg[src2].f16[j],
> +                                              &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float32_eq_quiet(env->vfp.vreg[src1].f32[j],
> +                                              env->vfp.vreg[src2].f32[j],
> +                                              &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float64_eq_quiet(env->vfp.vreg[src1].f64[j],
> +                                              env->vfp.vreg[src2].f64[j],
> +                                              &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +            case 32:
> +            case 64:
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmfne.vf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vmfne_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2, result;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float16_eq_quiet(env->fpr[rs1],
> +                                              env->vfp.vreg[src2].f16[j],
> +                                              &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float32_eq_quiet(env->fpr[rs1],
> +                                              env->vfp.vreg[src2].f32[j],
> +                                              &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float64_eq_quiet(env->fpr[rs1],
> +                                              env->vfp.vreg[src2].f64[j],
> +                                              &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +            case 32:
> +            case 64:
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmsle_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s8[j] <=
> +                            env->vfp.vreg[src1].s8[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s16[j] <=
> +                            env->vfp.vreg[src1].s16[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s32[j] <=
> +                            env->vfp.vreg[src1].s32[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s64[j] <=
> +                            env->vfp.vreg[src1].s64[j]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmsle_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s8[j] <=
> (int8_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s16[j] <=
> (int16_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s32[j] <=
> (int32_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s64[j] <=
> +                            (int64_t)extend_gpr(env->gpr[rs1])) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmsle_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s8[j] <=
> +                        (int8_t)sign_extend(rs1, 5)) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s16[j] <=
> +                        (int16_t)sign_extend(rs1, 5)) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s32[j] <=
> +                        (int32_t)sign_extend(rs1, 5)) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s64[j] <=
> +                        sign_extend(rs1, 5)) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmnand.mm vd, vs2, vs1 # vd = ~(vs2 & vs1) */
> +void VECTOR_HELPER(vmnand_mm)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, i, vlmax;
> +    uint32_t tmp;
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    lmul = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            tmp = vector_mask_reg(env, rs1, width, lmul, i) &
> +                    vector_mask_reg(env, rs2, width, lmul, i);
> +            vector_mask_result(env, rd, width, lmul, i, (~tmp & 0x1));
> +        } else {
> +            vector_mask_result(env, rd, width, lmul, i, 0);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmfgt.vf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vmfgt_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2, result;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float16_le(env->vfp.vreg[src2].f16[j],
> +                                        env->fpr[rs1],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float32_le(env->vfp.vreg[src2].f32[j],
> +                                        env->fpr[rs1],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float64_le(env->vfp.vreg[src2].f64[j],
> +                                        env->fpr[rs1],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +            case 32:
> +            case 64:
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmsgtu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u8[j] >
> (uint8_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u16[j] >
> (uint16_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u32[j] >
> (uint32_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u64[j] >
> +                        (uint64_t)extend_gpr(env->gpr[rs1])) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmsgtu_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u8[j] > (uint8_t)rs1) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u16[j] > (uint16_t)rs1) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u32[j] > (uint32_t)rs1) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].u64[j] >
> +                        (uint64_t)rs1) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmnor.mm vd, vs2, vs1 # vd = ~(vs2 | vs1) */
> +void VECTOR_HELPER(vmnor_mm)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, i, vlmax;
> +    uint32_t tmp;
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    lmul = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            tmp = vector_mask_reg(env, rs1, width, lmul, i) |
> +                    vector_mask_reg(env, rs2, width, lmul, i);
> +            vector_mask_result(env, rd, width, lmul, i, ~tmp & 0x1);
> +        } else {
> +            vector_mask_result(env, rd, width, lmul, i, 0);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vmsgt_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s8[j] >
> (int8_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s16[j] >
> (int16_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s32[j] >
> (int32_t)env->gpr[rs1]) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s64[j] >
> +                            (int64_t)extend_gpr(env->gpr[rs1])) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmsgt_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, vlmax;
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j      = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s8[j] >
> +                        (int8_t)sign_extend(rs1, 5)) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s16[j] >
> +                        (int16_t)sign_extend(rs1, 5)) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s32[j] >
> +                        (int32_t)sign_extend(rs1, 5)) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src2].s64[j] >
> +                        sign_extend(rs1, 5)) {
> +                        vector_mask_result(env, rd, width, lmul, i, 1);
> +                    } else {
> +                        vector_mask_result(env, rd, width, lmul, i, 0);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            if (width <= 64) {
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +            } else {
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +
> +/* vmxnor.mm vd, vs2, vs1 # vd = ~(vs2 ^ vs1) */
> +void VECTOR_HELPER(vmxnor_mm)(CPURISCVState *env, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, i, vlmax;
> +    uint32_t tmp;
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    lmul = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            tmp = vector_mask_reg(env, rs1, width, lmul, i) ^
> +                    vector_mask_reg(env, rs2, width, lmul, i);
> +            vector_mask_result(env, rd, width, lmul, i, ~tmp & 0x1);
> +        } else {
> +            vector_mask_result(env, rd, width, lmul, i, 0);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmfge.vf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vmfge_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2, result;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float16_lt(env->vfp.vreg[src2].f16[j],
> +                                        env->fpr[rs1],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float32_lt(env->vfp.vreg[src2].f32[j],
> +                                        env->fpr[rs1],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    result = float64_lt(env->vfp.vreg[src2].f64[j],
> +                                        env->fpr[rs1],
> +                                        &env->fp_status);
> +                    vector_mask_result(env, rd, width, lmul, i, !result);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +            case 32:
> +            case 64:
> +                vector_mask_result(env, rd, width, lmul, i, 0);
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vsaddu.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vsaddu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = sat_add_u8(env,
> +                        env->vfp.vreg[src1].u8[j],
> env->vfp.vreg[src2].u8[j]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = sat_add_u16(env,
> +                        env->vfp.vreg[src1].u16[j],
> env->vfp.vreg[src2].u16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = sat_add_u32(env,
> +                        env->vfp.vreg[src1].u32[j],
> env->vfp.vreg[src2].u32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] = sat_add_u64(env,
> +                        env->vfp.vreg[src1].u64[j],
> env->vfp.vreg[src2].u64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vsaddu.vx vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vsaddu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = sat_add_u8(env,
> +                        env->vfp.vreg[src2].u8[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = sat_add_u16(env,
> +                        env->vfp.vreg[src2].u16[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = sat_add_u32(env,
> +                        env->vfp.vreg[src2].u32[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] = sat_add_u64(env,
> +                        env->vfp.vreg[src2].u64[j], env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vsaddu.vi vd, vs2, imm, vm # vector-immediate */
> +void VECTOR_HELPER(vsaddu_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = sat_add_u8(env,
> +                        env->vfp.vreg[src2].u8[j], rs1);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = sat_add_u16(env,
> +                        env->vfp.vreg[src2].u16[j], rs1);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = sat_add_u32(env,
> +                        env->vfp.vreg[src2].u32[j], rs1);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] = sat_add_u64(env,
> +                        env->vfp.vreg[src2].u64[j], rs1);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vdivu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u8[j] == 0) {
> +                        env->vfp.vreg[dest].u8[j] = MAX_U8;
> +                    } else {
> +                        env->vfp.vreg[dest].u8[j] =
> env->vfp.vreg[src2].u8[j] /
> +                            env->vfp.vreg[src1].u8[j];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u16[j] == 0) {
> +                        env->vfp.vreg[dest].u16[j] = MAX_U16;
> +                    } else {
> +                        env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u16[j]
> +                            / env->vfp.vreg[src1].u16[j];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u32[j] == 0) {
> +                        env->vfp.vreg[dest].u32[j] = MAX_U32;
> +                    } else {
> +                        env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u32[j]
> +                            / env->vfp.vreg[src1].u32[j];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u64[j] == 0) {
> +                        env->vfp.vreg[dest].u64[j] = MAX_U64;
> +                    } else {
> +                        env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src2].u64[j]
> +                        / env->vfp.vreg[src1].u64[j];
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vdivu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint8_t)env->gpr[rs1] == 0) {
> +                        env->vfp.vreg[dest].u8[j] = MAX_U8;
> +                    } else {
> +                        env->vfp.vreg[dest].u8[j] =
> env->vfp.vreg[src2].u8[j] /
> +                            (uint8_t)env->gpr[rs1];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint16_t)env->gpr[rs1] == 0) {
> +                        env->vfp.vreg[dest].u16[j] = MAX_U16;
> +                    } else {
> +                        env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u16[j]
> +                            / (uint16_t)env->gpr[rs1];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint32_t)env->gpr[rs1] == 0) {
> +                        env->vfp.vreg[dest].u32[j] = MAX_U32;
> +                    } else {
> +                        env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u32[j]
> +                            / (uint32_t)env->gpr[rs1];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint64_t)extend_gpr(env->gpr[rs1]) == 0) {
> +                        env->vfp.vreg[dest].u64[j] = MAX_U64;
> +                    } else {
> +                        env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src2].u64[j]
> +                        / (uint64_t)extend_gpr(env->gpr[rs1]);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfdiv.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vfdiv_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_div(
> +
> env->vfp.vreg[src2].f16[j],
> +
> env->vfp.vreg[src1].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_div(
> +
> env->vfp.vreg[src2].f32[j],
> +
> env->vfp.vreg[src1].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_div(
> +
> env->vfp.vreg[src2].f64[j],
> +
> env->vfp.vreg[src1].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfdiv.vf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vfdiv_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_div(
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    env->fpr[rs1],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_div(
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    env->fpr[rs1],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_div(
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    env->fpr[rs1],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vsadd.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vsadd_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = sat_add_s8(env,
> +                        env->vfp.vreg[src1].s8[j],
> env->vfp.vreg[src2].s8[j]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = sat_add_s16(env,
> +                        env->vfp.vreg[src1].s16[j],
> env->vfp.vreg[src2].s16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = sat_add_s32(env,
> +                        env->vfp.vreg[src1].s32[j],
> env->vfp.vreg[src2].s32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = sat_add_s64(env,
> +                        env->vfp.vreg[src1].s64[j],
> env->vfp.vreg[src2].s64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vsadd.vx vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vsadd_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = sat_add_s8(env,
> +                        env->vfp.vreg[src2].s8[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = sat_add_s16(env,
> +                        env->vfp.vreg[src2].s16[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = sat_add_s32(env,
> +                        env->vfp.vreg[src2].s32[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = sat_add_s64(env,
> +                        env->vfp.vreg[src2].s64[j], env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vsadd.vi vd, vs2, imm, vm # vector-immediate */
> +void VECTOR_HELPER(vsadd_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = sat_add_s8(env,
> +                        env->vfp.vreg[src2].s8[j], sign_extend(rs1, 5));
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = sat_add_s16(env,
> +                        env->vfp.vreg[src2].s16[j], sign_extend(rs1, 5));
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = sat_add_s32(env,
> +                        env->vfp.vreg[src2].s32[j], sign_extend(rs1, 5));
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = sat_add_s64(env,
> +                        env->vfp.vreg[src2].s64[j], sign_extend(rs1, 5));
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vdiv_vv)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].s8[j] == 0) {
> +                        env->vfp.vreg[dest].s8[j] = -1;
> +                    } else if ((env->vfp.vreg[src2].s8[j] == MIN_S8) &&
> +                        (env->vfp.vreg[src1].s8[j] == (int8_t)(-1))) {
> +                        env->vfp.vreg[dest].s8[j] = MIN_S8;
> +                    } else {
> +                        env->vfp.vreg[dest].s8[j] =
> env->vfp.vreg[src2].s8[j] /
> +                            env->vfp.vreg[src1].s8[j];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].s16[j] == 0) {
> +                        env->vfp.vreg[dest].s16[j] = -1;
> +                    } else if ((env->vfp.vreg[src2].s16[j] == MIN_S16) &&
> +                        (env->vfp.vreg[src1].s16[j] == (int16_t)(-1))) {
> +                        env->vfp.vreg[dest].s16[j] = MIN_S16;
> +                    } else {
> +                        env->vfp.vreg[dest].s16[j] =
> env->vfp.vreg[src2].s16[j]
> +                            / env->vfp.vreg[src1].s16[j];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].s32[j] == 0) {
> +                        env->vfp.vreg[dest].s32[j] = -1;
> +                    } else if ((env->vfp.vreg[src2].s32[j] == MIN_S32) &&
> +                        (env->vfp.vreg[src1].s32[j] == (int32_t)(-1))) {
> +                        env->vfp.vreg[dest].s32[j] = MIN_S32;
> +                    } else {
> +                        env->vfp.vreg[dest].s32[j] =
> env->vfp.vreg[src2].s32[j]
> +                            / env->vfp.vreg[src1].s32[j];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].s64[j] == 0) {
> +                        env->vfp.vreg[dest].s64[j] = -1;
> +                    } else if ((env->vfp.vreg[src2].s64[j] == MIN_S64) &&
> +                        (env->vfp.vreg[src1].s64[j] == (int64_t)(-1))) {
> +                        env->vfp.vreg[dest].s64[j] = MIN_S64;
> +                    } else {
> +                        env->vfp.vreg[dest].s64[j] =
> env->vfp.vreg[src2].s64[j]
> +                        / env->vfp.vreg[src1].s64[j];
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vdiv_vx)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((int8_t)env->gpr[rs1] == 0) {
> +                        env->vfp.vreg[dest].s8[j] = -1;
> +                    } else if ((env->vfp.vreg[src2].s8[j] == MIN_S8) &&
> +                        ((int8_t)env->gpr[rs1] == (int8_t)(-1))) {
> +                        env->vfp.vreg[dest].s8[j] = MIN_S8;
> +                    } else {
> +                        env->vfp.vreg[dest].s8[j] =
> env->vfp.vreg[src2].s8[j] /
> +                            (int8_t)env->gpr[rs1];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((int16_t)env->gpr[rs1] == 0) {
> +                        env->vfp.vreg[dest].s16[j] = -1;
> +                    } else if ((env->vfp.vreg[src2].s16[j] == MIN_S16) &&
> +                        ((int16_t)env->gpr[rs1] == (int16_t)(-1))) {
> +                        env->vfp.vreg[dest].s16[j] = MIN_S16;
> +                    } else {
> +                        env->vfp.vreg[dest].s16[j] =
> env->vfp.vreg[src2].s16[j]
> +                            / (int16_t)env->gpr[rs1];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((int32_t)env->gpr[rs1] == 0) {
> +                        env->vfp.vreg[dest].s32[j] = -1;
> +                    } else if ((env->vfp.vreg[src2].s32[j] == MIN_S32) &&
> +                        ((int32_t)env->gpr[rs1] == (int32_t)(-1))) {
> +                        env->vfp.vreg[dest].s32[j] = MIN_S32;
> +                    } else {
> +                        env->vfp.vreg[dest].s32[j] =
> env->vfp.vreg[src2].s32[j]
> +                            / (int32_t)env->gpr[rs1];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((int64_t)extend_gpr(env->gpr[rs1]) == 0) {
> +                        env->vfp.vreg[dest].s64[j] = -1;
> +                    } else if ((env->vfp.vreg[src2].s64[j] == MIN_S64) &&
> +                        ((int64_t)extend_gpr(env->gpr[rs1]) ==
> (int64_t)(-1))) {
> +                        env->vfp.vreg[dest].s64[j] = MIN_S64;
> +                    } else {
> +                        env->vfp.vreg[dest].s64[j] =
> env->vfp.vreg[src2].s64[j]
> +                        / (int64_t)extend_gpr(env->gpr[rs1]);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfrdiv.vf vd, vs2, rs1, vm # scalar-vector, vd[i] = f[rs1]/vs2[i] */
> +void VECTOR_HELPER(vfrdiv_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_div(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_div(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_div(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vssubu.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vssubu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = sat_sub_u8(env,
> +                        env->vfp.vreg[src2].u8[j],
> env->vfp.vreg[src1].u8[j]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = sat_sub_u16(env,
> +                        env->vfp.vreg[src2].u16[j],
> env->vfp.vreg[src1].u16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = sat_sub_u32(env,
> +                        env->vfp.vreg[src2].u32[j],
> env->vfp.vreg[src1].u32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] = sat_sub_u64(env,
> +                        env->vfp.vreg[src2].u64[j],
> env->vfp.vreg[src1].u64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vssubu.vx vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vssubu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = sat_sub_u8(env,
> +                        env->vfp.vreg[src2].u8[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = sat_sub_u16(env,
> +                        env->vfp.vreg[src2].u16[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = sat_sub_u32(env,
> +                        env->vfp.vreg[src2].u32[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] = sat_sub_u64(env,
> +                        env->vfp.vreg[src2].u64[j], env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vremu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u8[j] == 0) {
> +                        env->vfp.vreg[dest].u8[j] =
> env->vfp.vreg[src2].u8[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u8[j] =
> env->vfp.vreg[src2].u8[j] %
> +                            env->vfp.vreg[src1].u8[j];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u16[j] == 0) {
> +                        env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u16[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u16[j]
> +                            % env->vfp.vreg[src1].u16[j];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u32[j] == 0) {
> +                        env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u32[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u32[j]
> +                            % env->vfp.vreg[src1].u32[j];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].u64[j] == 0) {
> +                        env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src2].u64[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src2].u64[j]
> +                        % env->vfp.vreg[src1].u64[j];
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vremu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint8_t)env->gpr[rs1] == 0) {
> +                        env->vfp.vreg[dest].u8[j] =
> env->vfp.vreg[src2].u8[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u8[j] =
> env->vfp.vreg[src2].u8[j] %
> +                            (uint8_t)env->gpr[rs1];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint16_t)env->gpr[rs1] == 0) {
> +                        env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u16[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u16[j]
> +                            % (uint16_t)env->gpr[rs1];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint32_t)env->gpr[rs1] == 0) {
> +                        env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u32[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u32[j]
> +                            % (uint32_t)env->gpr[rs1];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((uint64_t)extend_gpr(env->gpr[rs1]) == 0) {
> +                        env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src2].u64[j];
> +                    } else {
> +                        env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src2].u64[j]
> +                        % (uint64_t)extend_gpr(env->gpr[rs1]);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmsbf.m vd, vs2, vm # set-before-first mask bit */
> +void VECTOR_HELPER(vmsbf_m)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i;
> +    bool first_mask_bit = false;
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        if (i < vl) {
> +            if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                if (first_mask_bit) {
> +                    vector_mask_result(env, rd, width, lmul, i, 0);
> +                    continue;
> +                }
> +                if (!vector_mask_reg(env, rs2, width, lmul, i)) {
> +                    vector_mask_result(env, rd, width, lmul, i, 1);
> +                } else {
> +                    first_mask_bit = true;
> +                    vector_mask_result(env, rd, width, lmul, i, 0);
> +                }
> +            }
> +        } else {
> +            vector_mask_result(env, rd, width, lmul, i, 0);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmsif.m vd, vs2, vm # set-including-first mask bit */
> +void VECTOR_HELPER(vmsif_m)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i;
> +    bool first_mask_bit = false;
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        if (i < vl) {
> +            if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                if (first_mask_bit) {
> +                    vector_mask_result(env, rd, width, lmul, i, 0);
> +                    continue;
> +                }
> +                if (!vector_mask_reg(env, rs2, width, lmul, i)) {
> +                    vector_mask_result(env, rd, width, lmul, i, 1);
> +                } else {
> +                    first_mask_bit = true;
> +                    vector_mask_result(env, rd, width, lmul, i, 1);
> +                }
> +            }
> +        } else {
> +            vector_mask_result(env, rd, width, lmul, i, 0);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vmsof.m vd, vs2, vm # set-only-first mask bit */
> +void VECTOR_HELPER(vmsof_m)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i;
> +    bool first_mask_bit = false;
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        if (i < vl) {
> +            if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                if (first_mask_bit) {
> +                    vector_mask_result(env, rd, width, lmul, i, 0);
> +                    continue;
> +                }
> +                if (!vector_mask_reg(env, rs2, width, lmul, i)) {
> +                    vector_mask_result(env, rd, width, lmul, i, 0);
> +                } else {
> +                    first_mask_bit = true;
> +                    vector_mask_result(env, rd, width, lmul, i, 1);
> +                }
> +            }
> +        } else {
> +            vector_mask_result(env, rd, width, lmul, i, 0);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* viota.m v4, v2, v0.t */
> +void VECTOR_HELPER(viota_m)(CPURISCVState *env, uint32_t vm, uint32_t rs2,
> +    uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest;
> +    uint32_t sum = 0;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, lmul, rs2, 1)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = sum;
> +                    if (vector_mask_reg(env, rs2, width, lmul, i)) {
> +                        sum++;
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = sum;
> +                    if (vector_mask_reg(env, rs2, width, lmul, i)) {
> +                        sum++;
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = sum;
> +                    if (vector_mask_reg(env, rs2, width, lmul, i)) {
> +                        sum++;
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] = sum;
> +                    if (vector_mask_reg(env, rs2, width, lmul, i)) {
> +                        sum++;
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vid.v vd, vm # Write element ID to destination. */
> +void VECTOR_HELPER(vid_v)(CPURISCVState *env, uint32_t vm, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = i;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = i;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = i;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] = i;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vssub.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vssub_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = sat_sub_s8(env,
> +                        env->vfp.vreg[src2].s8[j],
> env->vfp.vreg[src1].s8[j]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = sat_sub_s16(env,
> +                        env->vfp.vreg[src2].s16[j],
> env->vfp.vreg[src1].s16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = sat_sub_s32(env,
> +                        env->vfp.vreg[src2].s32[j],
> env->vfp.vreg[src1].s32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = sat_sub_s64(env,
> +                        env->vfp.vreg[src2].s64[j],
> env->vfp.vreg[src1].s64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vssub.vx vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vssub_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = sat_sub_s8(env,
> +                        env->vfp.vreg[src2].s8[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = sat_sub_s16(env,
> +                        env->vfp.vreg[src2].s16[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = sat_sub_s32(env,
> +                        env->vfp.vreg[src2].s32[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = sat_sub_s64(env,
> +                        env->vfp.vreg[src2].s64[j], env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vrem_vv)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].s8[j] == 0) {
> +                        env->vfp.vreg[dest].s8[j] =
> env->vfp.vreg[src2].s8[j];
> +                    } else if ((env->vfp.vreg[src2].s8[j] == MIN_S8) &&
> +                        (env->vfp.vreg[src1].s8[j] == (int8_t)(-1))) {
> +                        env->vfp.vreg[dest].s8[j] = 0;
> +                    } else {
> +                        env->vfp.vreg[dest].s8[j] =
> env->vfp.vreg[src2].s8[j] %
> +                            env->vfp.vreg[src1].s8[j];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].s16[j] == 0) {
> +                        env->vfp.vreg[dest].s16[j] =
> env->vfp.vreg[src2].s16[j];
> +                    } else if ((env->vfp.vreg[src2].s16[j] == MIN_S16) &&
> +                        (env->vfp.vreg[src1].s16[j] == (int16_t)(-1))) {
> +                        env->vfp.vreg[dest].s16[j] = 0;
> +                    } else {
> +                        env->vfp.vreg[dest].s16[j] =
> env->vfp.vreg[src2].s16[j]
> +                            % env->vfp.vreg[src1].s16[j];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].s32[j] == 0) {
> +                        env->vfp.vreg[dest].s32[j] =
> env->vfp.vreg[src2].s32[j];
> +                    } else if ((env->vfp.vreg[src2].s32[j] == MIN_S32) &&
> +                        (env->vfp.vreg[src1].s32[j] == (int32_t)(-1))) {
> +                        env->vfp.vreg[dest].s32[j] = 0;
> +                    } else {
> +                        env->vfp.vreg[dest].s32[j] =
> env->vfp.vreg[src2].s32[j]
> +                            % env->vfp.vreg[src1].s32[j];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if (env->vfp.vreg[src1].s64[j] == 0) {
> +                        env->vfp.vreg[dest].s64[j] =
> env->vfp.vreg[src2].s64[j];
> +                    } else if ((env->vfp.vreg[src2].s64[j] == MIN_S64) &&
> +                        (env->vfp.vreg[src1].s64[j] == (int64_t)(-1))) {
> +                        env->vfp.vreg[dest].s64[j] = 0;
> +                    } else {
> +                        env->vfp.vreg[dest].s64[j] =
> env->vfp.vreg[src2].s64[j]
> +                        % env->vfp.vreg[src1].s64[j];
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vrem_vx)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((int8_t)env->gpr[rs1] == 0) {
> +                        env->vfp.vreg[dest].s8[j] =
> env->vfp.vreg[src2].s8[j];
> +                    } else if ((env->vfp.vreg[src2].s8[j] == MIN_S8) &&
> +                        ((int8_t)env->gpr[rs1] == (int8_t)(-1))) {
> +                        env->vfp.vreg[dest].s8[j] = 0;
> +                    } else {
> +                        env->vfp.vreg[dest].s8[j] =
> env->vfp.vreg[src2].s8[j] %
> +                            (int8_t)env->gpr[rs1];
> +                    }
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((int16_t)env->gpr[rs1] == 0) {
> +                        env->vfp.vreg[dest].s16[j] =
> env->vfp.vreg[src2].s16[j];
> +                    } else if ((env->vfp.vreg[src2].s16[j] == MIN_S16) &&
> +                        ((int16_t)env->gpr[rs1] == (int16_t)(-1))) {
> +                        env->vfp.vreg[dest].s16[j] = 0;
> +                    } else {
> +                        env->vfp.vreg[dest].s16[j] =
> env->vfp.vreg[src2].s16[j]
> +                            % (int16_t)env->gpr[rs1];
> +                    }
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((int32_t)env->gpr[rs1] == 0) {
> +                        env->vfp.vreg[dest].s32[j] =
> env->vfp.vreg[src2].s32[j];
> +                    } else if ((env->vfp.vreg[src2].s32[j] == MIN_S32) &&
> +                        ((int32_t)env->gpr[rs1] == (int32_t)(-1))) {
> +                        env->vfp.vreg[dest].s32[j] = 0;
> +                    } else {
> +                        env->vfp.vreg[dest].s32[j] =
> env->vfp.vreg[src2].s32[j]
> +                            % (int32_t)env->gpr[rs1];
> +                    }
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    if ((int64_t)extend_gpr(env->gpr[rs1]) == 0) {
> +                        env->vfp.vreg[dest].s64[j] =
> env->vfp.vreg[src2].s64[j];
> +                    } else if ((env->vfp.vreg[src2].s64[j] == MIN_S64) &&
> +                        ((int64_t)extend_gpr(env->gpr[rs1]) ==
> (int64_t)(-1))) {
> +                        env->vfp.vreg[dest].s64[j] = 0;
> +                    } else {
> +                        env->vfp.vreg[dest].s64[j] =
> env->vfp.vreg[src2].s64[j]
> +                        % (int64_t)extend_gpr(env->gpr[rs1]);
> +                    }
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vaadd.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vaadd_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = avg_round_s8(env,
> +                        env->vfp.vreg[src1].s8[j],
> env->vfp.vreg[src2].s8[j]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = avg_round_s16(env,
> +                        env->vfp.vreg[src1].s16[j],
> env->vfp.vreg[src2].s16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = avg_round_s32(env,
> +                        env->vfp.vreg[src1].s32[j],
> env->vfp.vreg[src2].s32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = avg_round_s64(env,
> +                        env->vfp.vreg[src1].s64[j],
> env->vfp.vreg[src2].s64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vaadd.vx vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vaadd_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = avg_round_s8(env,
> +                        env->gpr[rs1], env->vfp.vreg[src2].s8[j]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = avg_round_s16(env,
> +                        env->gpr[rs1], env->vfp.vreg[src2].s16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = avg_round_s32(env,
> +                        env->gpr[rs1], env->vfp.vreg[src2].s32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = avg_round_s64(env,
> +                        env->gpr[rs1], env->vfp.vreg[src2].s64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vaadd.vi vd, vs2, imm, vm # vector-immediate */
> +void VECTOR_HELPER(vaadd_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = avg_round_s8(env,
> +                        rs1, env->vfp.vreg[src2].s8[j]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = avg_round_s16(env,
> +                        rs1, env->vfp.vreg[src2].s16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = avg_round_s32(env,
> +                        rs1, env->vfp.vreg[src2].s32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = avg_round_s64(env,
> +                        rs1, env->vfp.vreg[src2].s64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vmulhu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] =
> +                        ((uint16_t)env->vfp.vreg[src1].u8[j]
> +                        * (uint16_t)env->vfp.vreg[src2].u8[j]) >> width;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> +                        ((uint32_t)env->vfp.vreg[src1].u16[j]
> +                        * (uint32_t)env->vfp.vreg[src2].u16[j]) >> width;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> +                        ((uint64_t)env->vfp.vreg[src1].u32[j]
> +                        * (uint64_t)env->vfp.vreg[src2].u32[j]) >> width;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] = u64xu64_lh(
> +                        env->vfp.vreg[src1].u64[j],
> env->vfp.vreg[src2].u64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmulhu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] =
> +                        ((uint16_t)(uint8_t)env->gpr[rs1]
> +                        * (uint16_t)env->vfp.vreg[src2].u8[j]) >> width;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> +                        ((uint32_t)(uint16_t)env->gpr[rs1]
> +                        * (uint32_t)env->vfp.vreg[src2].u16[j]) >> width;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> +                        ((uint64_t)(uint32_t)env->gpr[rs1]
> +                        * (uint64_t)env->vfp.vreg[src2].u32[j]) >> width;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] = u64xu64_lh(
> +                        (uint64_t)extend_gpr(env->gpr[rs1])
> +                        , env->vfp.vreg[src2].u64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfmul.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vfmul_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_mul(
> +
> env->vfp.vreg[src1].f16[j],
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_mul(
> +
> env->vfp.vreg[src1].f32[j],
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_mul(
> +
> env->vfp.vreg[src1].f64[j],
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfmul.vf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vfmul_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_mul(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_mul(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_mul(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vsll_vv)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src2].u8[j]
> +                        << (env->vfp.vreg[src1].u8[j] & 0x7);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u16[j]
> +                        << (env->vfp.vreg[src1].u16[j] & 0xf);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u32[j]
> +                        << (env->vfp.vreg[src1].u32[j] & 0x1f);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src2].u64[j]
> +                        << (env->vfp.vreg[src1].u64[j] & 0x3f);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsll_vx)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src2].u8[j]
> +                        << (env->gpr[rs1] & 0x7);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u16[j]
> +                        << (env->gpr[rs1] & 0xf);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u32[j]
> +                        << (env->gpr[rs1] & 0x1f);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src2].u64[j]
> +                        << ((uint64_t)extend_gpr(env->gpr[rs1]) & 0x3f);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsll_vi)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src2].u8[j]
> +                        << (rs1);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u16[j]
> +                        << (rs1);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u32[j]
> +                        << (rs1);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src2].u64[j]
> +                        << (rs1);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vmul_vv)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = env->vfp.vreg[src1].s8[j]
> +                        * env->vfp.vreg[src2].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] =
> env->vfp.vreg[src1].s16[j]
> +                        * env->vfp.vreg[src2].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] =
> env->vfp.vreg[src1].s32[j]
> +                        * env->vfp.vreg[src2].s32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] =
> env->vfp.vreg[src1].s64[j]
> +                        * env->vfp.vreg[src2].s64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmul_vx)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = env->gpr[rs1]
> +                        * env->vfp.vreg[src2].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = env->gpr[rs1]
> +                        * env->vfp.vreg[src2].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = env->gpr[rs1]
> +                        * env->vfp.vreg[src2].s32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] =
> +                        (int64_t)extend_gpr(env->gpr[rs1])
> +                        * env->vfp.vreg[src2].s64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vasub.vv vd, vs2, vs1, vm # Vector-vector */
> +void VECTOR_HELPER(vasub_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = avg_round_s8(
> +                        env,
> +                        ~env->vfp.vreg[src1].s8[j] + 1,
> +                        env->vfp.vreg[src2].s8[j]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = avg_round_s16(
> +                        env,
> +                        ~env->vfp.vreg[src1].s16[j] + 1,
> +                        env->vfp.vreg[src2].s16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = avg_round_s32(
> +                        env,
> +                        ~env->vfp.vreg[src1].s32[j] + 1,
> +                        env->vfp.vreg[src2].s32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = avg_round_s64(
> +                        env,
> +                        ~env->vfp.vreg[src1].s64[j] + 1,
> +                        env->vfp.vreg[src2].s64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vasub.vx vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vasub_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = avg_round_s8(
> +                        env, ~env->gpr[rs1] + 1,
> env->vfp.vreg[src2].s8[j]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = avg_round_s16(
> +                        env, ~env->gpr[rs1] + 1,
> env->vfp.vreg[src2].s16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = avg_round_s32(
> +                        env, ~env->gpr[rs1] + 1,
> env->vfp.vreg[src2].s32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = avg_round_s64(
> +                        env, ~env->gpr[rs1] + 1,
> env->vfp.vreg[src2].s64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vmulhsu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] =
> +                        ((uint16_t)env->vfp.vreg[src1].u8[j]
> +                        * (int16_t)env->vfp.vreg[src2].s8[j]) >> width;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] =
> +                        ((uint32_t)env->vfp.vreg[src1].u16[j]
> +                        * (int32_t)env->vfp.vreg[src2].s16[j]) >> width;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] =
> +                        ((uint64_t)env->vfp.vreg[src1].u32[j]
> +                        * (int64_t)env->vfp.vreg[src2].s32[j]) >> width;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = s64xu64_lh(
> +                        env->vfp.vreg[src2].s64[j],
> env->vfp.vreg[src1].u64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmulhsu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] =
> +                        ((uint16_t)(uint8_t)env->gpr[rs1]
> +                        * (int16_t)env->vfp.vreg[src2].s8[j]) >> width;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] =
> +                        ((uint32_t)(uint16_t)env->gpr[rs1]
> +                        * (int32_t)env->vfp.vreg[src2].s16[j]) >> width;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] =
> +                        ((uint64_t)(uint32_t)env->gpr[rs1]
> +                        * (int64_t)env->vfp.vreg[src2].s32[j]) >> width;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = s64xu64_lh(
> +                        env->vfp.vreg[src2].s64[j],
> +                        (uint64_t)extend_gpr(env->gpr[rs1]));
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vsmul.vv vd, vs2, vs1, vm # vd[i] =
> clip((vs2[i]*vs1[i]+round)>>(SEW-1)) */
> +void VECTOR_HELPER(vsmul_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if ((!(vm)) && rd == 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = vsmul_8(env,
> +                        env->vfp.vreg[src1].s8[j],
> env->vfp.vreg[src2].s8[j]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = vsmul_16(env,
> +                        env->vfp.vreg[src1].s16[j],
> env->vfp.vreg[src2].s16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = vsmul_32(env,
> +                        env->vfp.vreg[src1].s32[j],
> env->vfp.vreg[src2].s32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = vsmul_64(env,
> +                        env->vfp.vreg[src1].s64[j],
> env->vfp.vreg[src2].s64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vsmul.vx vd, vs2, rs1, vm # vd[i] =
> clip((vs2[i]*x[rs1]+round)>>(SEW-1)) */
> +void VECTOR_HELPER(vsmul_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if ((!(vm)) && rd == 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = vsmul_8(env,
> +                        env->vfp.vreg[src2].s8[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = vsmul_16(env,
> +                        env->vfp.vreg[src2].s16[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = vsmul_32(env,
> +                        env->vfp.vreg[src2].s32[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = vsmul_64(env,
> +                        env->vfp.vreg[src2].s64[j], env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vmulh_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] =
> +                        ((int16_t)env->vfp.vreg[src1].s8[j]
> +                        * (int16_t)env->vfp.vreg[src2].s8[j]) >> width;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] =
> +                        ((int32_t)env->vfp.vreg[src1].s16[j]
> +                        * (int32_t)env->vfp.vreg[src2].s16[j]) >> width;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] =
> +                        ((int64_t)env->vfp.vreg[src1].s32[j]
> +                        * (int64_t)env->vfp.vreg[src2].s32[j]) >> width;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = s64xs64_lh(
> +                        env->vfp.vreg[src1].s64[j],
> env->vfp.vreg[src2].s64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmulh_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] =
> +                        ((int16_t)(int8_t)env->gpr[rs1]
> +                        * (int16_t)env->vfp.vreg[src2].s8[j]) >> width;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] =
> +                        ((int32_t)(int16_t)env->gpr[rs1]
> +                        * (int32_t)env->vfp.vreg[src2].s16[j]) >> width;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] =
> +                        ((int64_t)(int32_t)env->gpr[rs1]
> +                        * (int64_t)env->vfp.vreg[src2].s32[j]) >> width;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = s64xs64_lh(
> +                        (int64_t)extend_gpr(env->gpr[rs1])
> +                        , env->vfp.vreg[src2].s64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfrsub.vf vd, vs2, rs1, vm # Scalar-vector vd[i] = f[rs1] - vs2[i] */
> +void VECTOR_HELPER(vfrsub_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_sub(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_sub(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_sub(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vsrl_vv)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src2].u8[j]
> +                        >> (env->vfp.vreg[src1].u8[j] & 0x7);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u16[j]
> +                        >> (env->vfp.vreg[src1].u16[j] & 0xf);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u32[j]
> +                        >> (env->vfp.vreg[src1].u32[j] & 0x1f);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src2].u64[j]
> +                        >> (env->vfp.vreg[src1].u64[j] & 0x3f);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vsrl_vx)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src2].u8[j]
> +                        >> (env->gpr[rs1] & 0x7);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u16[j]
> +                        >> (env->gpr[rs1] & 0xf);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u32[j]
> +                        >> (env->gpr[rs1] & 0x1f);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src2].u64[j]
> +                        >> ((uint64_t)extend_gpr(env->gpr[rs1]) & 0x3f);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vsrl_vi)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src2].u8[j]
> +                        >> (rs1);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u16[j]
> +                        >> (rs1);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u32[j]
> +                        >> (rs1);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] =
> env->vfp.vreg[src2].u64[j]
> +                        >> (rs1);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfmadd.vv vd, vs1, vs2, vm # vd[i] = +(vs1[i] * vd[i]) + vs2[i] */
> +void VECTOR_HELPER(vfmadd_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_muladd(
> +
> env->vfp.vreg[src1].f16[j],
> +
> env->vfp.vreg[dest].f16[j],
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    0,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_muladd(
> +
> env->vfp.vreg[src1].f32[j],
> +
> env->vfp.vreg[dest].f32[j],
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    0,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_muladd(
> +
> env->vfp.vreg[src1].f64[j],
> +
> env->vfp.vreg[dest].f64[j],
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    0,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfmadd.vf vd, rs1, vs2, vm # vd[i] = +(f[rs1] * vd[i]) + vs2[i] */
> +void VECTOR_HELPER(vfmadd_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[dest].f16[j],
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    0,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[dest].f32[j],
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    0,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[dest].f64[j],
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    0,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vsra_vv)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = env->vfp.vreg[src2].s8[j]
> +                        >> (env->vfp.vreg[src1].s8[j] & 0x7);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] =
> env->vfp.vreg[src2].s16[j]
> +                        >> (env->vfp.vreg[src1].s16[j] & 0xf);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] =
> env->vfp.vreg[src2].s32[j]
> +                        >> (env->vfp.vreg[src1].s32[j] & 0x1f);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] =
> env->vfp.vreg[src2].s64[j]
> +                        >> (env->vfp.vreg[src1].s64[j] & 0x3f);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsra_vx)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = env->vfp.vreg[src2].s8[j]
> +                        >> (env->gpr[rs1] & 0x7);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] =
> env->vfp.vreg[src2].s16[j]
> +                        >> (env->gpr[rs1] & 0xf);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] =
> env->vfp.vreg[src2].s32[j]
> +                        >> (env->gpr[rs1] & 0x1f);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] =
> env->vfp.vreg[src2].s64[j]
> +                        >> ((uint64_t)extend_gpr(env->gpr[rs1]) & 0x3f);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsra_vi)(CPURISCVState *env, uint32_t vm, uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = env->vfp.vreg[src2].s8[j]
> +                        >> (rs1);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] =
> env->vfp.vreg[src2].s16[j]
> +                        >> (rs1);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] =
> env->vfp.vreg[src2].s32[j]
> +                        >> (rs1);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] =
> env->vfp.vreg[src2].s64[j]
> +                        >> (rs1);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmadd_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = env->vfp.vreg[src1].s8[j]
> +                        * env->vfp.vreg[dest].s8[j]
> +                        + env->vfp.vreg[src2].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] =
> env->vfp.vreg[src1].s16[j]
> +                        * env->vfp.vreg[dest].s16[j]
> +                        + env->vfp.vreg[src2].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] =
> env->vfp.vreg[src1].s32[j]
> +                        * env->vfp.vreg[dest].s32[j]
> +                        + env->vfp.vreg[src2].s32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] =
> env->vfp.vreg[src1].s64[j]
> +                        * env->vfp.vreg[dest].s64[j]
> +                        + env->vfp.vreg[src2].s64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmadd_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = env->gpr[rs1]
> +                        * env->vfp.vreg[dest].s8[j]
> +                        + env->vfp.vreg[src2].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = env->gpr[rs1]
> +                        * env->vfp.vreg[dest].s16[j]
> +                        + env->vfp.vreg[src2].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = env->gpr[rs1]
> +                        * env->vfp.vreg[dest].s32[j]
> +                        + env->vfp.vreg[src2].s32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] =
> +                        (int64_t)extend_gpr(env->gpr[rs1])
> +                        * env->vfp.vreg[dest].s64[j]
> +                        + env->vfp.vreg[src2].s64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfnmadd.vv vd, vs1, vs2, vm # vd[i] = -(vs1[i] * vd[i]) - vs2[i] */
> +void VECTOR_HELPER(vfnmadd_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_muladd(
> +
> env->vfp.vreg[src1].f16[j],
> +
> env->vfp.vreg[dest].f16[j],
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    float_muladd_negate_c
> |
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_muladd(
> +
> env->vfp.vreg[src1].f32[j],
> +
> env->vfp.vreg[dest].f32[j],
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    float_muladd_negate_c
> |
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_muladd(
> +
> env->vfp.vreg[src1].f64[j],
> +
> env->vfp.vreg[dest].f64[j],
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    float_muladd_negate_c
> |
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfnmadd.vf vd, rs1, vs2, vm # vd[i] = -(f[rs1] * vd[i]) - vs2[i] */
> +void VECTOR_HELPER(vfnmadd_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[dest].f16[j],
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    float_muladd_negate_c
> |
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[dest].f32[j],
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    float_muladd_negate_c
> |
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[dest].f64[j],
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    float_muladd_negate_c
> |
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vssrl.vv vd, vs2, vs1, vm # vd[i] = ((vs2[i] + round)>>vs1[i] */
> +void VECTOR_HELPER(vssrl_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = vssrl_8(env,
> +                        env->vfp.vreg[src2].u8[j],
> env->vfp.vreg[src1].u8[j]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = vssrl_16(env,
> +                        env->vfp.vreg[src2].u16[j],
> env->vfp.vreg[src1].u16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = vssrl_32(env,
> +                        env->vfp.vreg[src2].u32[j],
> env->vfp.vreg[src1].u32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] = vssrl_64(env,
> +                        env->vfp.vreg[src2].u64[j],
> env->vfp.vreg[src1].u64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vssrl.vx vd, vs2, rs1, vm # vd[i] = ((vs2[i] + round)>>x[rs1]) */
> +void VECTOR_HELPER(vssrl_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = vssrl_8(env,
> +                        env->vfp.vreg[src2].u8[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = vssrl_16(env,
> +                        env->vfp.vreg[src2].u16[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = vssrl_32(env,
> +                        env->vfp.vreg[src2].u32[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] = vssrl_64(env,
> +                        env->vfp.vreg[src2].u64[j], env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vssrl.vi vd, vs2, imm, vm # vd[i] = ((vs2[i] + round)>>imm) */
> +void VECTOR_HELPER(vssrl_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = vssrli_8(env,
> +                        env->vfp.vreg[src2].u8[j], rs1);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = vssrli_16(env,
> +                        env->vfp.vreg[src2].u16[j], rs1);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = vssrli_32(env,
> +                        env->vfp.vreg[src2].u32[j], rs1);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] = vssrli_64(env,
> +                        env->vfp.vreg[src2].u64[j], rs1);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfmsub.vv vd, vs1, vs2, vm # vd[i] = +(vs1[i] * vd[i]) - vs2[i] */
> +void VECTOR_HELPER(vfmsub_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_muladd(
> +
> env->vfp.vreg[src1].f16[j],
> +
> env->vfp.vreg[dest].f16[j],
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    float_muladd_negate_c,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_muladd(
> +
> env->vfp.vreg[src1].f32[j],
> +
> env->vfp.vreg[dest].f32[j],
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    float_muladd_negate_c,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_muladd(
> +
> env->vfp.vreg[src1].f64[j],
> +
> env->vfp.vreg[dest].f64[j],
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    float_muladd_negate_c,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfmsub.vf vd, rs1, vs2, vm # vd[i] = +(f[rs1] * vd[i]) - vs2[i] */
> +void VECTOR_HELPER(vfmsub_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[dest].f16[j],
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    float_muladd_negate_c,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[dest].f32[j],
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    float_muladd_negate_c,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[dest].f64[j],
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    float_muladd_negate_c,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vssra.vv vd, vs2, vs1, vm # vd[i] = ((vs2[i] + round)>>vs1[i]) */
> +void VECTOR_HELPER(vssra_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = vssra_8(env,
> +                        env->vfp.vreg[src2].s8[j],
> env->vfp.vreg[src1].u8[j]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = vssra_16(env,
> +                        env->vfp.vreg[src2].s16[j],
> env->vfp.vreg[src1].u16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = vssra_32(env,
> +                        env->vfp.vreg[src2].s32[j],
> env->vfp.vreg[src1].u32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = vssra_64(env,
> +                        env->vfp.vreg[src2].s64[j],
> env->vfp.vreg[src1].u64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vssra.vx vd, vs2, rs1, vm # vd[i] = ((vs2[i] + round)>>x[rs1]) */
> +void VECTOR_HELPER(vssra_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = vssra_8(env,
> +                        env->vfp.vreg[src2].s8[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = vssra_16(env,
> +                        env->vfp.vreg[src2].s16[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = vssra_32(env,
> +                        env->vfp.vreg[src2].s32[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = vssra_64(env,
> +                        env->vfp.vreg[src2].s64[j], env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vssra.vi vd, vs2, imm, vm # vd[i] = ((vs2[i] + round)>>imm) */
> +void VECTOR_HELPER(vssra_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = vssrai_8(env,
> +                        env->vfp.vreg[src2].s8[j], rs1);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = vssrai_16(env,
> +                        env->vfp.vreg[src2].s16[j], rs1);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = vssrai_32(env,
> +                        env->vfp.vreg[src2].s32[j], rs1);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = vssrai_64(env,
> +                        env->vfp.vreg[src2].s64[j], rs1);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vnmsub_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = env->vfp.vreg[src2].s8[j]
> +                        - env->vfp.vreg[src1].s8[j]
> +                        * env->vfp.vreg[dest].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] =
> env->vfp.vreg[src2].s16[j]
> +                        - env->vfp.vreg[src1].s16[j]
> +                        * env->vfp.vreg[dest].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] =
> env->vfp.vreg[src2].s32[j]
> +                        - env->vfp.vreg[src1].s32[j]
> +                        * env->vfp.vreg[dest].s32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] =
> env->vfp.vreg[src2].s64[j]
> +                        - env->vfp.vreg[src1].s64[j]
> +                        * env->vfp.vreg[dest].s64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vnmsub_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = env->vfp.vreg[src2].s8[j]
> +                        - env->gpr[rs1]
> +                        * env->vfp.vreg[dest].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] =
> env->vfp.vreg[src2].s16[j]
> +                        - env->gpr[rs1]
> +                        * env->vfp.vreg[dest].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] =
> env->vfp.vreg[src2].s32[j]
> +                        - env->gpr[rs1]
> +                        * env->vfp.vreg[dest].s32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] =
> env->vfp.vreg[src2].s64[j]
> +                        - (int64_t)extend_gpr(env->gpr[rs1])
> +                        * env->vfp.vreg[dest].s64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfnmsub.vv vd, vs1, vs2, vm # vd[i] = -(vs1[i] * vd[i]) + vs2[i] */
> +void VECTOR_HELPER(vfnmsub_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_muladd(
> +
> env->vfp.vreg[src1].f16[j],
> +
> env->vfp.vreg[dest].f16[j],
> +
> env->vfp.vreg[src2].f16[j],
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_muladd(
> +
> env->vfp.vreg[src1].f32[j],
> +
> env->vfp.vreg[dest].f32[j],
> +
> env->vfp.vreg[src2].f32[j],
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_muladd(
> +
> env->vfp.vreg[src1].f64[j],
> +
> env->vfp.vreg[dest].f64[j],
> +
> env->vfp.vreg[src2].f64[j],
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +
> +
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfnmsub.vf vd, rs1, vs2, vm # vd[i] = -(f[rs1] * vd[i]) + vs2[i] */
> +void VECTOR_HELPER(vfnmsub_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[dest].f16[j],
> +
> env->vfp.vreg[src2].f16[j],
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[dest].f32[j],
> +
> env->vfp.vreg[src2].f32[j],
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[dest].f64[j],
> +
> env->vfp.vreg[src2].f64[j],
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vnsrl_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) ||
> +        vector_overlap_vm_common(lmul, vm, rd) ||
> +        vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src2].u16[k]
> +                        >> (env->vfp.vreg[src1].u8[j] & 0xf);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u32[k]
> +                        >> (env->vfp.vreg[src1].u16[j] & 0x1f);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u64[k]
> +                        >> (env->vfp.vreg[src1].u32[j] & 0x3f);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_narrow(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vnsrl_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) ||
> +        vector_overlap_vm_common(lmul, vm, rd) ||
> +        vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src2].u16[k]
> +                        >> (env->gpr[rs1] & 0xf);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u32[k]
> +                        >> (env->gpr[rs1] & 0x1f);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u64[k]
> +                        >> (env->gpr[rs1] & 0x3f);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_narrow(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vnsrl_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) ||
> +        vector_overlap_vm_common(lmul, vm, rd) ||
> +        vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[j] = env->vfp.vreg[src2].u16[k]
> +                        >> (rs1);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] =
> env->vfp.vreg[src2].u32[k]
> +                        >> (rs1);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] =
> env->vfp.vreg[src2].u64[k]
> +                        >> (rs1);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_narrow(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfmacc.vv vd, vs1, vs2, vm # vd[i] = +(vs1[i] * vs2[i]) + vd[i] */
> +void VECTOR_HELPER(vfmacc_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_muladd(
> +
> env->vfp.vreg[src1].f16[j],
> +
> env->vfp.vreg[src2].f16[j],
> +
> env->vfp.vreg[dest].f16[j],
> +                                                    0,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_muladd(
> +
> env->vfp.vreg[src1].f32[j],
> +
> env->vfp.vreg[src2].f32[j],
> +
> env->vfp.vreg[dest].f32[j],
> +                                                    0,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_muladd(
> +
> env->vfp.vreg[src1].f64[j],
> +
> env->vfp.vreg[src2].f64[j],
> +
> env->vfp.vreg[dest].f64[j],
> +                                                    0,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfmacc.vf vd, rs1, vs2, vm # vd[i] = +(f[rs1] * vs2[i]) + vd[i] */
> +void VECTOR_HELPER(vfmacc_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f16[j],
> +
> env->vfp.vreg[dest].f16[j],
> +                                                    0,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f32[j],
> +
> env->vfp.vreg[dest].f32[j],
> +                                                    0,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f64[j],
> +
> env->vfp.vreg[dest].f64[j],
> +                                                    0,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vnsra_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) ||
> +        vector_overlap_vm_common(lmul, vm, rd) ||
> +        vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = env->vfp.vreg[src2].s16[k]
> +                        >> (env->vfp.vreg[src1].s8[j] & 0xf);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] =
> env->vfp.vreg[src2].s32[k]
> +                        >> (env->vfp.vreg[src1].s16[j] & 0x1f);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] =
> env->vfp.vreg[src2].s64[k]
> +                        >> (env->vfp.vreg[src1].s32[j] & 0x3f);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_narrow(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vnsra_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) ||
> +        vector_overlap_vm_common(lmul, vm, rd) ||
> +        vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = env->vfp.vreg[src2].s16[k]
> +                        >> (env->gpr[rs1] & 0xf);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] =
> env->vfp.vreg[src2].s32[k]
> +                        >> (env->gpr[rs1] & 0x1f);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] =
> env->vfp.vreg[src2].s64[k]
> +                        >> (env->gpr[rs1] & 0x3f);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_narrow(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vnsra_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) ||
> +        vector_overlap_vm_common(lmul, vm, rd) ||
> +        vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] = env->vfp.vreg[src2].s16[k]
> +                        >> (rs1);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] =
> env->vfp.vreg[src2].s32[k]
> +                        >> (rs1);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] =
> env->vfp.vreg[src2].s64[k]
> +                        >> (rs1);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_narrow(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmacc_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] += env->vfp.vreg[src1].s8[j]
> +                        * env->vfp.vreg[src2].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] +=
> env->vfp.vreg[src1].s16[j]
> +                        * env->vfp.vreg[src2].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] +=
> env->vfp.vreg[src1].s32[j]
> +                        * env->vfp.vreg[src2].s32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] +=
> env->vfp.vreg[src1].s64[j]
> +                        * env->vfp.vreg[src2].s64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vmacc_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] += env->gpr[rs1]
> +                        * env->vfp.vreg[src2].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] += env->gpr[rs1]
> +                        * env->vfp.vreg[src2].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] += env->gpr[rs1]
> +                        * env->vfp.vreg[src2].s32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] +=
> +                        (int64_t)extend_gpr(env->gpr[rs1])
> +                        * env->vfp.vreg[src2].s64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfnmacc.vv vd, vs1, vs2, vm # vd[i] = -(vs1[i] * vs2[i]) - vd[i] */
> +void VECTOR_HELPER(vfnmacc_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_muladd(
> +
> env->vfp.vreg[src1].f16[j],
> +
> env->vfp.vreg[src2].f16[j],
> +
> env->vfp.vreg[dest].f16[j],
> +                                                    float_muladd_negate_c
> |
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_muladd(
> +
> env->vfp.vreg[src1].f32[j],
> +
> env->vfp.vreg[src2].f32[j],
> +
> env->vfp.vreg[dest].f32[j],
> +                                                    float_muladd_negate_c
> |
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_muladd(
> +
> env->vfp.vreg[src1].f64[j],
> +
> env->vfp.vreg[src2].f64[j],
> +
> env->vfp.vreg[dest].f64[j],
> +                                                    float_muladd_negate_c
> |
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfnmacc.vf vd, rs1, vs2, vm # vd[i] = -(f[rs1] * vs2[i]) - vd[i] */
> +void VECTOR_HELPER(vfnmacc_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f16[j],
> +
> env->vfp.vreg[dest].f16[j],
> +                                                    float_muladd_negate_c
> |
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f32[j],
> +
> env->vfp.vreg[dest].f32[j],
> +                                                    float_muladd_negate_c
> |
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f64[j],
> +
> env->vfp.vreg[dest].f64[j],
> +                                                    float_muladd_negate_c
> |
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vnclipu.vv vd, vs2, vs1, vm # vector-vector */
> +void VECTOR_HELPER(vnclipu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, k, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +            || vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)
> +            || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / (2 * width));
> +        k = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[k] = vnclipu_16(env,
> +                        env->vfp.vreg[src2].u16[j],
> env->vfp.vreg[src1].u8[k]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] = vnclipu_32(env,
> +                        env->vfp.vreg[src2].u32[j],
> env->vfp.vreg[src1].u16[k]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] = vnclipu_64(env,
> +                        env->vfp.vreg[src2].u64[j],
> env->vfp.vreg[src1].u32[k]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_narrow(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vnclipu.vx vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vnclipu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +            || vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)
> +            || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / (2 * width));
> +        k = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[k] = vnclipu_16(env,
> +                        env->vfp.vreg[src2].u16[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] = vnclipu_32(env,
> +                        env->vfp.vreg[src2].u32[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] = vnclipu_64(env,
> +                        env->vfp.vreg[src2].u64[j], env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_narrow(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +
> +/* vnclipu.vi vd, vs2, imm, vm # vector-immediate */
> +void VECTOR_HELPER(vnclipu_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +            || vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)
> +            || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / (2 * width));
> +        k = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u8[k] = vnclipui_16(env,
> +                        env->vfp.vreg[src2].u16[j], rs1);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] = vnclipui_32(env,
> +                        env->vfp.vreg[src2].u32[j], rs1);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] = vnclipui_64(env,
> +                        env->vfp.vreg[src2].u64[j], rs1);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_narrow(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfmsac.vv vd, vs1, vs2, vm # vd[i] = +(vs1[i] * vs2[i]) - vd[i] */
> +void VECTOR_HELPER(vfmsac_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_muladd(
> +
> env->vfp.vreg[src1].f16[j],
> +
> env->vfp.vreg[src2].f16[j],
> +
> env->vfp.vreg[dest].f16[j],
> +                                                    float_muladd_negate_c,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_muladd(
> +
> env->vfp.vreg[src1].f32[j],
> +
> env->vfp.vreg[src2].f32[j],
> +
> env->vfp.vreg[dest].f32[j],
> +                                                    float_muladd_negate_c,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_muladd(
> +
> env->vfp.vreg[src1].f64[j],
> +
> env->vfp.vreg[src2].f64[j],
> +
> env->vfp.vreg[dest].f64[j],
> +                                                    float_muladd_negate_c,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfmsac.vf vd, rs1, vs2, vm # vd[i] = +(f[rs1] * vs2[i]) - vd[i] */
> +void VECTOR_HELPER(vfmsac_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f16[j],
> +
> env->vfp.vreg[dest].f16[j],
> +                                                    float_muladd_negate_c,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f32[j],
> +
> env->vfp.vreg[dest].f32[j],
> +                                                    float_muladd_negate_c,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f64[j],
> +
> env->vfp.vreg[dest].f64[j],
> +                                                    float_muladd_negate_c,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vnclip.vv vd, vs2, vs1, vm # vector-vector */
> +void VECTOR_HELPER(vnclip_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, k, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +            || vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)
> +            || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / (2 * width));
> +        k = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[k] = vnclip_16(env,
> +                        env->vfp.vreg[src2].s16[j],
> env->vfp.vreg[src1].u8[k]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] = vnclip_32(env,
> +                        env->vfp.vreg[src2].s32[j],
> env->vfp.vreg[src1].u16[k]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] = vnclip_64(env,
> +                        env->vfp.vreg[src2].s64[j],
> env->vfp.vreg[src1].u32[k]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_narrow(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vnclip.vx vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vnclip_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, k, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +            || vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)
> +            || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / (2 * width));
> +        k = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[k] = vnclip_16(env,
> +                        env->vfp.vreg[src2].s16[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] = vnclip_32(env,
> +                        env->vfp.vreg[src2].s32[j], env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] = vnclip_64(env,
> +                        env->vfp.vreg[src2].s64[j], env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_narrow(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vnclip.vi vd, vs2, imm, vm # vector-immediate */
> +void VECTOR_HELPER(vnclip_vi)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, k, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +            || vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)
> +            || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / (2 * width));
> +        k = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[k] = vnclipi_16(env,
> +                        env->vfp.vreg[src2].s16[j], rs1);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] = vnclipi_32(env,
> +                        env->vfp.vreg[src2].s32[j], rs1);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] = vnclipi_64(env,
> +                        env->vfp.vreg[src2].s64[j], rs1);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_narrow(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vnmsac_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] -= env->vfp.vreg[src1].s8[j]
> +                        * env->vfp.vreg[src2].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] -=
> env->vfp.vreg[src1].s16[j]
> +                        * env->vfp.vreg[src2].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] -=
> env->vfp.vreg[src1].s32[j]
> +                        * env->vfp.vreg[src2].s32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] -=
> env->vfp.vreg[src1].s64[j]
> +                        * env->vfp.vreg[src2].s64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vnmsac_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +
> +    vl = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width   = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s8[j] -= env->gpr[rs1]
> +                        * env->vfp.vreg[src2].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] -= env->gpr[rs1]
> +                        * env->vfp.vreg[src2].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] -= env->gpr[rs1]
> +                        * env->vfp.vreg[src2].s32[j];
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] -=
> +                        (int64_t)extend_gpr(env->gpr[rs1])
> +                        * env->vfp.vreg[src2].s64[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_common(env, dest, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfnmsac.vv vd, vs1, vs2, vm # vd[i] = -(vs1[i] * vs2[i]) + vd[i] */
> +void VECTOR_HELPER(vfnmsac_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src1, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_muladd(
> +
> env->vfp.vreg[src1].f16[j],
> +
> env->vfp.vreg[src2].f16[j],
> +
> env->vfp.vreg[dest].f16[j],
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_muladd(
> +
> env->vfp.vreg[src1].f32[j],
> +
> env->vfp.vreg[src2].f32[j],
> +
> env->vfp.vreg[dest].f32[j],
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_muladd(
> +
> env->vfp.vreg[src1].f64[j],
> +
> env->vfp.vreg[src2].f64[j],
> +
> env->vfp.vreg[dest].f64[j],
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfnmsac.vf vd, rs1, vs2, vm # vd[i] = -(f[rs1] * vs2[i]) + vd[i] */
> +void VECTOR_HELPER(vfnmsac_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f16[j],
> +
> env->vfp.vreg[dest].f16[j],
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f32[j],
> +
> env->vfp.vreg[dest].f32[j],
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_muladd(
> +                                                    env->fpr[rs1],
> +
> env->vfp.vreg[src2].f64[j],
> +
> env->vfp.vreg[dest].f64[j],
> +
> float_muladd_negate_product,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vwredsumu.vs vd, vs2, vs1, vm # 2*SEW = 2*SEW + sum(zero-extend(SEW))
> */
> +void VECTOR_HELPER(vwredsumu_vs)(CPURISCVState *env, uint32_t vm,
> uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2;
> +    uint64_t sum = 0;
> +
> +    lmul = vector_get_lmul(env);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vl = env->vfp.vl;
> +    if (vl == 0) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < VLEN / 64; i++) {
> +        env->vfp.vreg[rd].u64[i] = 0;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +
> +        if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    sum += env->vfp.vreg[src2].u8[j];
> +                }
> +                if (i == 0) {
> +                    sum += env->vfp.vreg[rs1].u16[0];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u16[0] = sum;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    sum += env->vfp.vreg[src2].u16[j];
> +                }
> +                if (i == 0) {
> +                    sum += env->vfp.vreg[rs1].u32[0];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u32[0] = sum;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    sum += env->vfp.vreg[src2].u32[j];
> +                }
> +                if (i == 0) {
> +                    sum += env->vfp.vreg[rs1].u64[0];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].u64[0] = sum;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwaddu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)
> +        ) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] =
> +                        (uint16_t)env->vfp.vreg[src1].u8[j] +
> +                        (uint16_t)env->vfp.vreg[src2].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] =
> +                        (uint32_t)env->vfp.vreg[src1].u16[j] +
> +                        (uint32_t)env->vfp.vreg[src2].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[k] =
> +                        (uint64_t)env->vfp.vreg[src1].u32[j] +
> +                        (uint64_t)env->vfp.vreg[src2].u32[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwaddu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)
> +        ) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] =
> +                        (uint16_t)env->vfp.vreg[src2].u8[j] +
> +                        (uint16_t)((uint8_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] =
> +                        (uint32_t)env->vfp.vreg[src2].u16[j] +
> +                        (uint32_t)((uint16_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[k] =
> +                        (uint64_t)env->vfp.vreg[src2].u32[j] +
> +                        (uint64_t)((uint32_t)env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwadd.vv vd, vs2, vs1, vm # vector-vector */
> +void VECTOR_HELPER(vfwadd_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src1, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_add(
> +                        float16_to_float32(env->vfp.vreg[src2].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->vfp.vreg[src1].f16[j],
> true,
> +                            &env->fp_status),
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_add(
> +                         float32_to_float64(env->vfp.vreg[src2].f32[j],
> +                            &env->fp_status),
> +                         float32_to_float64(env->vfp.vreg[src1].f32[j],
> +                            &env->fp_status),
> +                         &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fwiden(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwadd.vf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vfwadd_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_add(
> +                        float16_to_float32(env->vfp.vreg[src2].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->fpr[rs1], true,
> +                            &env->fp_status),
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_add(
> +                         float32_to_float64(env->vfp.vreg[src2].f32[j],
> +                            &env->fp_status),
> +                        float32_to_float64(env->fpr[rs1],
> &env->fp_status),
> +                         &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fwiden(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vwredsum.vs vd, vs2, vs1, vm # 2*SEW = 2*SEW + sum(sign-extend(SEW)) */
> +void VECTOR_HELPER(vwredsum_vs)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2;
> +    int64_t sum = 0;
> +
> +    lmul = vector_get_lmul(env);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vl = env->vfp.vl;
> +    if (vl == 0) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < VLEN / 64; i++) {
> +        env->vfp.vreg[rd].u64[i] = 0;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +
> +        if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    sum += (int16_t)env->vfp.vreg[src2].s8[j] << 8 >> 8;
> +                }
> +                if (i == 0) {
> +                    sum += env->vfp.vreg[rs1].s16[0];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].s16[0] = sum;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    sum += (int32_t)env->vfp.vreg[src2].s16[j] << 16 >>
> 16;
> +                }
> +                if (i == 0) {
> +                    sum += env->vfp.vreg[rs1].s32[0];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].s32[0] = sum;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    sum += (int64_t)env->vfp.vreg[src2].s32[j] << 32 >>
> 32;
> +                }
> +                if (i == 0) {
> +                    sum += env->vfp.vreg[rs1].s64[0];
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].s64[0] = sum;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwadd_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] =
> +                        (int16_t)env->vfp.vreg[src1].s8[j] +
> +                        (int16_t)env->vfp.vreg[src2].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] =
> +                        (int32_t)env->vfp.vreg[src1].s16[j] +
> +                        (int32_t)env->vfp.vreg[src2].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] =
> +                        (int64_t)env->vfp.vreg[src1].s32[j] +
> +                        (int64_t)env->vfp.vreg[src2].s32[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwadd_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] =
> +                        (int16_t)((int8_t)env->vfp.vreg[src2].s8[j]) +
> +                        (int16_t)((int8_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] =
> +                        (int32_t)((int16_t)env->vfp.vreg[src2].s16[j]) +
> +                        (int32_t)((int16_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] =
> +                        (int64_t)((int32_t)env->vfp.vreg[src2].s32[j]) +
> +                        (int64_t)((int32_t)env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vd, vs2, vs1, vm # Unordered reduce 2*SEW = 2*SEW + sum(promote(SEW))
> */
> +void VECTOR_HELPER(vfwredsum_vs)(CPURISCVState *env, uint32_t vm,
> uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, src2;
> +    float32 sum32 = 0.0f;
> +    float64 sum64 = 0.0f;
> +
> +    lmul = vector_get_lmul(env);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart != 0) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vl = env->vfp.vl;
> +    if (vl == 0) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < VLEN / 64; i++) {
> +        env->vfp.vreg[rd].u64[i] = 0;
> +    }
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +
> +        if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (i == 0) {
> +                    sum32 = env->vfp.vreg[rs1].f32[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    sum32 = float32_add(sum32,
> +
> float16_to_float32(env->vfp.vreg[src2].f16[j],
> +                                    true, &env->fp_status),
> +                                &env->fp_status);
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].f32[0] = sum32;
> +                }
> +                break;
> +            case 32:
> +                if (i == 0) {
> +                    sum64 = env->vfp.vreg[rs1].f64[0];
> +                }
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    sum64 = float64_add(sum64,
> +
> float32_to_float64(env->vfp.vreg[src2].f32[j],
> +                                    &env->fp_status),
> +                                &env->fp_status);
> +                }
> +                if (i == vl - 1) {
> +                    env->vfp.vreg[rd].f64[0] = sum64;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwsubu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)
> +        ) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] =
> +                        (uint16_t)env->vfp.vreg[src2].u8[j] -
> +                        (uint16_t)env->vfp.vreg[src1].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] =
> +                        (uint32_t)env->vfp.vreg[src2].u16[j] -
> +                        (uint32_t)env->vfp.vreg[src1].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[k] =
> +                        (uint64_t)env->vfp.vreg[src2].u32[j] -
> +                        (uint64_t)env->vfp.vreg[src1].u32[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwsubu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)
> +        ) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] =
> +                        (uint16_t)env->vfp.vreg[src2].u8[j] -
> +                        (uint16_t)((uint8_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] =
> +                        (uint32_t)env->vfp.vreg[src2].u16[j] -
> +                        (uint32_t)((uint16_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[k] =
> +                        (uint64_t)env->vfp.vreg[src2].u32[j] -
> +                        (uint64_t)((uint32_t)env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwsub.vv vd, vs2, vs1, vm # vector-vector */
> +void VECTOR_HELPER(vfwsub_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src1, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_sub(
> +                        float16_to_float32(env->vfp.vreg[src2].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->vfp.vreg[src1].f16[j],
> true,
> +                            &env->fp_status),
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_sub(
> +                         float32_to_float64(env->vfp.vreg[src2].f32[j],
> +                            &env->fp_status),
> +                         float32_to_float64(env->vfp.vreg[src1].f32[j],
> +                            &env->fp_status),
> +                         &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fwiden(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwsub.vf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vfwsub_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_sub(
> +                        float16_to_float32(env->vfp.vreg[src2].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->fpr[rs1], true,
> +                            &env->fp_status),
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_sub(
> +                         float32_to_float64(env->vfp.vreg[src2].f32[j],
> +                            &env->fp_status),
> +                         float32_to_float64(env->fpr[rs1],
> &env->fp_status),
> +                         &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fwiden(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vwsub_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)
> +        ) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] =
> +                        (int16_t)env->vfp.vreg[src2].s8[j] -
> +                        (int16_t)env->vfp.vreg[src1].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] =
> +                        (int32_t)env->vfp.vreg[src2].s16[j] -
> +                        (int32_t)env->vfp.vreg[src1].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] =
> +                        (int64_t)env->vfp.vreg[src2].s32[j] -
> +                        (int64_t)env->vfp.vreg[src1].s32[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vwsub_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)
> +        ) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] =
> +                        (int16_t)((int8_t)env->vfp.vreg[src2].s8[j]) -
> +                        (int16_t)((int8_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] =
> +                        (int32_t)((int16_t)env->vfp.vreg[src2].s16[j]) -
> +                        (int32_t)((int16_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] =
> +                        (int64_t)((int32_t)env->vfp.vreg[src2].s32[j]) -
> +                        (int64_t)((int32_t)env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/*
> + * vfwredosum.vs vd, vs2, vs1, vm #
> + * Ordered reduce 2*SEW = 2*SEW + sum(promote(SEW))
> + */
> +void VECTOR_HELPER(vfwredosum_vs)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    helper_vector_vfwredsum_vs(env, vm, rs1, rs2, rd);
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwaddu_wv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] =
> +                        (uint16_t)env->vfp.vreg[src1].u8[j] +
> +                        (uint16_t)env->vfp.vreg[src2].u16[k];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] =
> +                        (uint32_t)env->vfp.vreg[src1].u16[j] +
> +                        (uint32_t)env->vfp.vreg[src2].u32[k];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[k] =
> +                        (uint64_t)env->vfp.vreg[src1].u32[j] +
> +                        (uint64_t)env->vfp.vreg[src2].u64[k];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwaddu_wx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] =
> +                        (uint16_t)env->vfp.vreg[src2].u16[k] +
> +                        (uint16_t)((uint8_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] =
> +                        (uint32_t)env->vfp.vreg[src2].u32[k] +
> +                        (uint32_t)((uint16_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[k] =
> +                        (uint64_t)env->vfp.vreg[src2].u64[k] +
> +                        (uint64_t)((uint32_t)env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwadd.wv vd, vs2, vs1, vm # vector-vector */
> +void VECTOR_HELPER(vfwadd_wv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src1, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_add(
> +                        env->vfp.vreg[src2].f32[k],
> +                        float16_to_float32(env->vfp.vreg[src1].f16[j],
> true,
> +                            &env->fp_status),
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_add(
> +                         env->vfp.vreg[src2].f64[k],
> +                         float32_to_float64(env->vfp.vreg[src1].f32[j],
> +                            &env->fp_status),
> +                         &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwadd.wf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vfwadd_wf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, k, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_add(
> +                        env->vfp.vreg[src2].f32[k],
> +                        float16_to_float32(env->fpr[rs1], true,
> +                            &env->fp_status),
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_add(
> +                         env->vfp.vreg[src2].f64[k],
> +                         float32_to_float64(env->fpr[rs1],
> &env->fp_status),
> +                         &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwadd_wv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] =
> +                        (int16_t)((int8_t)env->vfp.vreg[src1].s8[j]) +
> +                        (int16_t)env->vfp.vreg[src2].s16[k];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] =
> +                        (int32_t)((int16_t)env->vfp.vreg[src1].s16[j]) +
> +                        (int32_t)env->vfp.vreg[src2].s32[k];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] =
> +                        (int64_t)((int32_t)env->vfp.vreg[src1].s32[j]) +
> +                        (int64_t)env->vfp.vreg[src2].s64[k];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwadd_wx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] =
> +                        (int16_t)env->vfp.vreg[src2].s16[k] +
> +                        (int16_t)((int8_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] =
> +                        (int32_t)env->vfp.vreg[src2].s32[k] +
> +                        (int32_t)((int16_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] =
> +                        (int64_t)env->vfp.vreg[src2].s64[k] +
> +                        (int64_t)((int32_t)env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwsubu_wv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] =
> +                        (uint16_t)env->vfp.vreg[src2].u16[k] -
> +                        (uint16_t)env->vfp.vreg[src1].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] =
> +                        (uint32_t)env->vfp.vreg[src2].u32[k] -
> +                        (uint32_t)env->vfp.vreg[src1].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[k] =
> +                        (uint64_t)env->vfp.vreg[src2].u64[k] -
> +                        (uint64_t)env->vfp.vreg[src1].u32[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwsubu_wx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] =
> +                        (uint16_t)env->vfp.vreg[src2].u16[k] -
> +                        (uint16_t)((uint8_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] =
> +                        (uint32_t)env->vfp.vreg[src2].u32[k] -
> +                        (uint32_t)((uint16_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[k] =
> +                        (uint64_t)env->vfp.vreg[src2].u64[k] -
> +                        (uint64_t)((uint32_t)env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwsub.wv vd, vs2, vs1, vm # vector-vector */
> +void VECTOR_HELPER(vfwsub_wv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src1, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_sub(
> +                        env->vfp.vreg[src2].f32[k],
> +                        float16_to_float32(env->vfp.vreg[src1].f16[j],
> true,
> +                            &env->fp_status),
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_sub(
> +                         env->vfp.vreg[src2].f64[k],
> +                         float32_to_float64(env->vfp.vreg[src1].f32[j],
> +                            &env->fp_status),
> +                         &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fwiden(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwsub.wf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vfwsub_wf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, k, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_sub(
> +                        env->vfp.vreg[src2].f32[k],
> +                        float16_to_float32(env->fpr[rs1], true,
> +                            &env->fp_status),
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_sub(
> +                         env->vfp.vreg[src2].f64[k],
> +                         float32_to_float64(env->fpr[rs1],
> &env->fp_status),
> +                         &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fwiden(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwsub_wv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] =
> +                        (int16_t)env->vfp.vreg[src2].s16[k] -
> +                        (int16_t)((int8_t)env->vfp.vreg[src1].s8[j]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] =
> +                        (int32_t)env->vfp.vreg[src2].s32[k] -
> +                        (int32_t)((int16_t)env->vfp.vreg[src1].s16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] =
> +                        (int64_t)env->vfp.vreg[src2].s64[k] -
> +                        (int64_t)((int32_t)env->vfp.vreg[src1].s32[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwsub_wx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] =
> +                        (int16_t)env->vfp.vreg[src2].s16[k] -
> +                        (int16_t)((int8_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] =
> +                        (int32_t)env->vfp.vreg[src2].s32[k] -
> +                        (int32_t)((int16_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] =
> +                        (int64_t)env->vfp.vreg[src2].s64[k] -
> +                        (int64_t)((int32_t)env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwmulu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] =
> +                        (uint16_t)env->vfp.vreg[src1].u8[j] *
> +                        (uint16_t)env->vfp.vreg[src2].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] =
> +                        (uint32_t)env->vfp.vreg[src1].u16[j] *
> +                        (uint32_t)env->vfp.vreg[src2].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[k] =
> +                        (uint64_t)env->vfp.vreg[src1].u32[j] *
> +                        (uint64_t)env->vfp.vreg[src2].u32[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vwmulu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] =
> +                        (uint16_t)env->vfp.vreg[src2].u8[j] *
> +                        (uint16_t)((uint8_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] =
> +                        (uint32_t)env->vfp.vreg[src2].u16[j] *
> +                        (uint32_t)((uint16_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[k] =
> +                        (uint64_t)env->vfp.vreg[src2].u32[j] *
> +                        (uint64_t)((uint32_t)env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwmul.vv vd, vs2, vs1, vm # vector-vector */
> +void VECTOR_HELPER(vfwmul_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src1, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_mul(
> +                        float16_to_float32(env->vfp.vreg[src2].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->vfp.vreg[src1].f16[j],
> true,
> +                            &env->fp_status),
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_mul(
> +                         float32_to_float64(env->vfp.vreg[src2].f32[j],
> +                            &env->fp_status),
> +                         float32_to_float64(env->vfp.vreg[src1].f32[j],
> +                            &env->fp_status),
> +                         &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fwiden(env, dest, k, width);
> +        }
> +    }
> +    return;
> +
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwmul.vf vd, vs2, rs1, vm # vector-scalar */
> +void VECTOR_HELPER(vfwmul_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_mul(
> +                        float16_to_float32(env->vfp.vreg[src2].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->fpr[rs1], true,
> +                            &env->fp_status),
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_mul(
> +                         float32_to_float64(env->vfp.vreg[src2].f32[j],
> +                            &env->fp_status),
> +                         float32_to_float64(env->fpr[rs1],
> &env->fp_status),
> +                         &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fwiden(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwmulsu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] =
> +                        (int16_t)env->vfp.vreg[src2].s8[j] *
> +                        (uint16_t)env->vfp.vreg[src1].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] =
> +                        (int32_t)env->vfp.vreg[src2].s16[j] *
> +                        (uint32_t)env->vfp.vreg[src1].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] =
> +                        (int64_t)env->vfp.vreg[src2].s32[j] *
> +                        (uint64_t)env->vfp.vreg[src1].u32[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vwmulsu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] =
> +                        (int16_t)((int8_t)env->vfp.vreg[src2].s8[j]) *
> +                        (uint16_t)((uint8_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] =
> +                        (int32_t)((int16_t)env->vfp.vreg[src2].s16[j]) *
> +                        (uint32_t)((uint16_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] =
> +                        (int64_t)((int32_t)env->vfp.vreg[src2].s32[j]) *
> +                        (uint64_t)((uint32_t)env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vwmul_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] =
> +                        (int16_t)env->vfp.vreg[src1].s8[j] *
> +                        (int16_t)env->vfp.vreg[src2].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] =
> +                        (int32_t)env->vfp.vreg[src1].s16[j] *
> +                        (int32_t)env->vfp.vreg[src2].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] =
> +                        (int64_t)env->vfp.vreg[src1].s32[j] *
> +                        (int64_t)env->vfp.vreg[src2].s32[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vwmul_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] =
> +                        (int16_t)((int8_t)env->vfp.vreg[src2].s8[j]) *
> +                        (int16_t)((int8_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] =
> +                        (int32_t)((int16_t)env->vfp.vreg[src2].s16[j]) *
> +                        (int32_t)((int16_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] =
> +                        (int64_t)((int32_t)env->vfp.vreg[src2].s32[j]) *
> +                        (int64_t)((int32_t)env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/*
> + * vwsmaccu.vv vd, vs1, vs2, vm #
> + * vd[i] = clipu((+(vs1[i]*vs2[i]+round)>>SEW/2)+vd[i])
> + */
> +void VECTOR_HELPER(vwsmaccu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] = vwsmaccu_8(env,
> +
> env->vfp.vreg[src2].u8[j],
> +
> env->vfp.vreg[src1].u8[j],
> +
> env->vfp.vreg[dest].u16[k]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] = vwsmaccu_16(env,
> +
> env->vfp.vreg[src2].u16[j],
> +
> env->vfp.vreg[src1].u16[j],
> +
> env->vfp.vreg[dest].u32[k]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[k] = vwsmaccu_32(env,
> +
> env->vfp.vreg[src2].u32[j],
> +
> env->vfp.vreg[src1].u32[j],
> +
> env->vfp.vreg[dest].u64[k]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/*
> + * vwsmaccu.vx vd, rs1, vs2, vm #
> + * vd[i] = clipu((+(x[rs1]*vs2[i]+round)>>SEW/2)+vd[i])
> + */
> +void VECTOR_HELPER(vwsmaccu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] = vwsmaccu_8(env,
> +
> env->vfp.vreg[src2].u8[j],
> +                                                    env->gpr[rs1],
> +
> env->vfp.vreg[dest].u16[k]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] = vwsmaccu_16(env,
> +
> env->vfp.vreg[src2].u16[j],
> +                                                    env->gpr[rs1],
> +
> env->vfp.vreg[dest].u32[k]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[k] = vwsmaccu_32(env,
> +
> env->vfp.vreg[src2].u32[j],
> +                                                    env->gpr[rs1],
> +
> env->vfp.vreg[dest].u64[k]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwmaccu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] +=
> +                        (uint16_t)env->vfp.vreg[src1].u8[j] *
> +                        (uint16_t)env->vfp.vreg[src2].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] +=
> +                        (uint32_t)env->vfp.vreg[src1].u16[j] *
> +                        (uint32_t)env->vfp.vreg[src2].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[k] +=
> +                        (uint64_t)env->vfp.vreg[src1].u32[j] *
> +                        (uint64_t)env->vfp.vreg[src2].u32[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vwmaccu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] +=
> +                        (uint16_t)env->vfp.vreg[src2].u8[j] *
> +                        (uint16_t)((uint8_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] +=
> +                        (uint32_t)env->vfp.vreg[src2].u16[j] *
> +                        (uint32_t)((uint16_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[k] +=
> +                        (uint64_t)env->vfp.vreg[src2].u32[j] *
> +                        (uint64_t)((uint32_t)env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwmacc.vv vd, vs1, vs2, vm # vd[i] = +(vs1[i] * vs2[i]) + vd[i] */
> +void VECTOR_HELPER(vfwmacc_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_muladd(
> +                        float16_to_float32(env->vfp.vreg[src1].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->vfp.vreg[src2].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->vfp.vreg[dest].f16[j],
> true,
> +                            &env->fp_status),
> +                        0,
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_muladd(
> +                        float32_to_float64(env->vfp.vreg[src1].f32[j],
> +                            &env->fp_status),
> +                        float32_to_float64(env->vfp.vreg[src2].f32[j],
> +                            &env->fp_status),
> +                        float32_to_float64(env->vfp.vreg[dest].f32[j],
> +                            &env->fp_status),
> +                        0,
> +                        &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f32[k] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f64[k] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwmacc.vf vd, rs1, vs2, vm # vd[i] = +(f[rs1] * vs2[i]) + vd[i] */
> +void VECTOR_HELPER(vfwmacc_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_muladd(
> +                        env->fpr[rs1],
> +                        float16_to_float32(env->vfp.vreg[src2].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->vfp.vreg[dest].f16[j],
> true,
> +                            &env->fp_status),
> +                        0,
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_muladd(
> +                        env->fpr[rs1],
> +                        float32_to_float64(env->vfp.vreg[src2].f32[j],
> +                            &env->fp_status),
> +                        float32_to_float64(env->vfp.vreg[dest].f32[j],
> +                            &env->fp_status),
> +                        0,
> +                        &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f32[k] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f64[k] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/*
> + * vwsmacc.vv vd, vs1, vs2, vm #
> + * vd[i] = clip((+(vs1[i]*vs2[i]+round)>>SEW/2)+vd[i])
> + */
> +void VECTOR_HELPER(vwsmacc_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] = vwsmacc_8(env,
> +
> env->vfp.vreg[src2].s8[j],
> +
> env->vfp.vreg[src1].s8[j],
> +
> env->vfp.vreg[dest].s16[k]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] = vwsmacc_16(env,
> +
> env->vfp.vreg[src2].s16[j],
> +
> env->vfp.vreg[src1].s16[j],
> +
> env->vfp.vreg[dest].s32[k]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] = vwsmacc_32(env,
> +
> env->vfp.vreg[src2].s32[j],
> +
> env->vfp.vreg[src1].s32[j],
> +
> env->vfp.vreg[dest].s64[k]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/*
> + * vwsmacc.vx vd, rs1, vs2, vm #
> + * vd[i] = clip((+(x[rs1]*vs2[i]+round)>>SEW/2)+vd[i])
> + */
> +void VECTOR_HELPER(vwsmacc_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] = vwsmacc_8(env,
> +
> env->vfp.vreg[src2].s8[j],
> +                                                    env->gpr[rs1],
> +
> env->vfp.vreg[dest].s16[k]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] = vwsmacc_16(env,
> +
> env->vfp.vreg[src2].s16[j],
> +                                                    env->gpr[rs1],
> +
> env->vfp.vreg[dest].s32[k]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] = vwsmacc_32(env,
> +
> env->vfp.vreg[src2].s32[j],
> +                                                    env->gpr[rs1],
> +
> env->vfp.vreg[dest].s64[k]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/*
> + * vwsmaccsu.vv vd, vs1, vs2, vm
> + * # vd[i] = clip(-((signed(vs1[i])*unsigned(vs2[i])+round)>>SEW/2)+vd[i])
> + */
> +void VECTOR_HELPER(vwsmaccsu_vv)(CPURISCVState *env, uint32_t vm,
> uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] = vwsmaccsu_8(env,
> +
> env->vfp.vreg[src2].u8[j],
> +
> env->vfp.vreg[src1].s8[j],
> +
> env->vfp.vreg[dest].s16[k]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] = vwsmaccsu_16(env,
> +
> env->vfp.vreg[src2].u16[j],
> +
> env->vfp.vreg[src1].s16[j],
> +
> env->vfp.vreg[dest].s32[k]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] = vwsmaccsu_32(env,
> +
> env->vfp.vreg[src2].u32[j],
> +
> env->vfp.vreg[src1].s32[j],
> +
> env->vfp.vreg[dest].s64[k]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/*
> + * vwsmaccsu.vx vd, rs1, vs2, vm
> + * # vd[i] = clip(-((signed(x[rs1])*unsigned(vs2[i])+round)>>SEW/2)+vd[i])
> + */
> +void VECTOR_HELPER(vwsmaccsu_vx)(CPURISCVState *env, uint32_t vm,
> uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] = vwsmaccsu_8(env,
> +
> env->vfp.vreg[src2].u8[j],
> +                                                    env->gpr[rs1],
> +
> env->vfp.vreg[dest].s16[k]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] = vwsmaccsu_16(env,
> +
> env->vfp.vreg[src2].u16[j],
> +                                                    env->gpr[rs1],
> +
> env->vfp.vreg[dest].s32[k]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] = vwsmaccsu_32(env,
> +
> env->vfp.vreg[src2].u32[j],
> +                                                    env->gpr[rs1],
> +
> env->vfp.vreg[dest].s64[k]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/*
> + * vwsmaccus.vx vd, rs1, vs2, vm
> + * # vd[i] = clip(-((unsigned(x[rs1])*signed(vs2[i])+round)>>SEW/2)+vd[i])
> + */
> +void VECTOR_HELPER(vwsmaccus_vx)(CPURISCVState *env, uint32_t vm,
> uint32_t rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    vl = env->vfp.vl;
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] = vwsmaccus_8(env,
> +
> env->vfp.vreg[src2].s8[j],
> +                                                    env->gpr[rs1],
> +
> env->vfp.vreg[dest].s16[k]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] = vwsmaccus_16(env,
> +
> env->vfp.vreg[src2].s16[j],
> +                                                    env->gpr[rs1],
> +
> env->vfp.vreg[dest].s32[k]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] = vwsmaccus_32(env,
> +
> env->vfp.vreg[src2].s32[j],
> +                                                    env->gpr[rs1],
> +
> env->vfp.vreg[dest].s64[k]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +
> +void VECTOR_HELPER(vwmacc_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] +=
> +                        (int16_t)env->vfp.vreg[src1].s8[j]
> +                        * (int16_t)env->vfp.vreg[src2].s8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] +=
> +                        (int32_t)env->vfp.vreg[src1].s16[j] *
> +                        (int32_t)env->vfp.vreg[src2].s16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] +=
> +                        (int64_t)env->vfp.vreg[src1].s32[j] *
> +                        (int64_t)env->vfp.vreg[src2].s32[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vwmacc_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] +=
> +                        (int16_t)((int8_t)env->vfp.vreg[src2].s8[j]) *
> +                        (int16_t)((int8_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] +=
> +                        (int32_t)((int16_t)env->vfp.vreg[src2].s16[j]) *
> +                        (int32_t)((int16_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] +=
> +                        (int64_t)((int32_t)env->vfp.vreg[src2].s32[j]) *
> +                        (int64_t)((int32_t)env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwnmacc.vv vd, vs1, vs2, vm # vd[i] = -(vs1[i] * vs2[i]) - vd[i] */
> +void VECTOR_HELPER(vfwnmacc_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_muladd(
> +                        float16_to_float32(env->vfp.vreg[src1].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->vfp.vreg[src2].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->vfp.vreg[dest].f16[j],
> true,
> +                            &env->fp_status),
> +                        float_muladd_negate_c |
> +                        float_muladd_negate_product,
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_muladd(
> +                        float32_to_float64(env->vfp.vreg[src1].f32[j],
> +                            &env->fp_status),
> +                        float32_to_float64(env->vfp.vreg[src2].f32[j],
> +                            &env->fp_status),
> +                        float32_to_float64(env->vfp.vreg[dest].f32[j],
> +                            &env->fp_status),
> +                        float_muladd_negate_c |
> +                        float_muladd_negate_product,
> +                        &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f32[k] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f64[k] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwnmacc.vf vd, rs1, vs2, vm # vd[i] = -(f[rs1] * vs2[i]) - vd[i] */
> +void VECTOR_HELPER(vfwnmacc_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_muladd(
> +                        env->fpr[rs1],
> +                        float16_to_float32(env->vfp.vreg[src2].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->vfp.vreg[dest].f16[j],
> true,
> +                            &env->fp_status),
> +                        float_muladd_negate_c |
> +                        float_muladd_negate_product,
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_muladd(
> +                        env->fpr[rs1],
> +                        float32_to_float64(env->vfp.vreg[src2].f32[j],
> +                            &env->fp_status),
> +                        float32_to_float64(env->vfp.vreg[dest].f32[j],
> +                            &env->fp_status),
> +                        float_muladd_negate_c |
> +                        float_muladd_negate_product,
> +                        &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f32[k] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f64[k] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwmaccsu_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src1, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src1 = rs1 + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] +=
> +                        (int16_t)env->vfp.vreg[src1].s8[j]
> +                        * (uint16_t)env->vfp.vreg[src2].u8[j];
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] +=
> +                        (int32_t)env->vfp.vreg[src1].s16[j] *
> +                        (uint32_t)env->vfp.vreg[src2].u16[j];
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] +=
> +                        (int64_t)env->vfp.vreg[src1].s32[j] *
> +                        (uint64_t)env->vfp.vreg[src2].u32[j];
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vwmaccsu_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] +=
> +                        (uint16_t)((uint8_t)env->vfp.vreg[src2].u8[j]) *
> +                        (int16_t)((int8_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] +=
> +                        (uint32_t)((uint16_t)env->vfp.vreg[src2].u16[j]) *
> +                        (int32_t)((int16_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] +=
> +                        (uint64_t)((uint32_t)env->vfp.vreg[src2].u32[j]) *
> +                        (int64_t)((int32_t)env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwmsac.vv vd, vs1, vs2, vm # vd[i] = +(vs1[i] * vs2[i]) - vd[i] */
> +void VECTOR_HELPER(vfwmsac_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_muladd(
> +                        float16_to_float32(env->vfp.vreg[src1].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->vfp.vreg[src2].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->vfp.vreg[dest].f16[j],
> true,
> +                            &env->fp_status),
> +                        float_muladd_negate_c,
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_muladd(
> +                        float32_to_float64(env->vfp.vreg[src1].f32[j],
> +                            &env->fp_status),
> +                        float32_to_float64(env->vfp.vreg[src2].f32[j],
> +                            &env->fp_status),
> +                        float32_to_float64(env->vfp.vreg[dest].f32[j],
> +                            &env->fp_status),
> +                        float_muladd_negate_c,
> +                        &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f32[k] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f64[k] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwmsac.vf vd, rs1, vs2, vm # vd[i] = +(f[rs1] * vs2[i]) - vd[i] */
> +void VECTOR_HELPER(vfwmsac_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_muladd(
> +                        env->fpr[rs1],
> +                        float16_to_float32(env->vfp.vreg[src2].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->vfp.vreg[dest].f16[j],
> true,
> +                            &env->fp_status),
> +                        float_muladd_negate_c,
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_muladd(
> +                        env->fpr[rs1],
> +                        float32_to_float64(env->vfp.vreg[src2].f32[j],
> +                            &env->fp_status),
> +                        float32_to_float64(env->vfp.vreg[dest].f32[j],
> +                            &env->fp_status),
> +                        float_muladd_negate_c,
> +                        &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f32[k] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f64[k] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vwmaccus_vx)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl;
> +    uint32_t lmul, width, src2, dest, vlmax;
> +
> +    vl    = env->vfp.vl;
> +
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = rs2 + (i / (VLEN / width));
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] +=
> +                        (int16_t)((int8_t)env->vfp.vreg[src2].s8[j]) *
> +                        (uint16_t)((uint8_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] +=
> +                        (int32_t)((int16_t)env->vfp.vreg[src2].s16[j]) *
> +                        (uint32_t)((uint16_t)env->gpr[rs1]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] +=
> +                        (int64_t)((int32_t)env->vfp.vreg[src2].s32[j]) *
> +                        (uint64_t)((uint32_t)env->gpr[rs1]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_widen(env, dest, k, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwnmsac.vv vd, vs1, vs2, vm # vd[i] = -(vs1[i] * vs2[i]) + vd[i] */
> +void VECTOR_HELPER(vfwnmsac_vv)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src1, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs1, lmul)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs1, false);
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        src1 = rs1 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_muladd(
> +                        float16_to_float32(env->vfp.vreg[src1].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->vfp.vreg[src2].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->vfp.vreg[dest].f16[j],
> true,
> +                            &env->fp_status),
> +                        float_muladd_negate_product,
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_muladd(
> +                        float32_to_float64(env->vfp.vreg[src1].f32[j],
> +                            &env->fp_status),
> +                        float32_to_float64(env->vfp.vreg[src2].f32[j],
> +                            &env->fp_status),
> +                        float32_to_float64(env->vfp.vreg[dest].f32[j],
> +                            &env->fp_status),
> +                        float_muladd_negate_product,
> +                        &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f32[k] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f64[k] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwnmsac.vf vd, rs1, vs2, vm # vd[i] = -(f[rs1] * vs2[i]) + vd[i] */
> +void VECTOR_HELPER(vfwnmsac_vf)(CPURISCVState *env, uint32_t vm, uint32_t
> rs1,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float32_muladd(
> +                        env->fpr[rs1],
> +                        float16_to_float32(env->vfp.vreg[src2].f16[j],
> true,
> +                            &env->fp_status),
> +                        float16_to_float32(env->vfp.vreg[dest].f16[j],
> true,
> +                            &env->fp_status),
> +                        float_muladd_negate_product,
> +                        &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float64_muladd(
> +                        env->fpr[rs1],
> +                        float32_to_float64(env->vfp.vreg[src2].f32[j],
> +                            &env->fp_status),
> +                        float32_to_float64(env->vfp.vreg[dest].f32[j],
> +                            &env->fp_status),
> +                        float_muladd_negate_product,
> +                        &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f32[k] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f64[k] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +
> +/* vfsqrt.v vd, vs2, vm # Vector-vector square root */
> +void VECTOR_HELPER(vfsqrt_v)(CPURISCVState *env, uint32_t vm, uint32_t
> rs2,
> +    uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = float16_sqrt(
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = float32_sqrt(
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = float64_sqrt(
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            switch (width) {
> +            case 16:
> +                env->vfp.vreg[dest].f16[j] = 0;
> +            case 32:
> +                env->vfp.vreg[dest].f32[j] = 0;
> +            case 64:
> +                env->vfp.vreg[dest].f64[j] = 0;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfclass.v vd, vs2, vm # Vector-vector */
> +void VECTOR_HELPER(vfclass_v)(CPURISCVState *env, uint32_t vm, uint32_t
> rs2,
> +    uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = helper_fclass_h(
> +
> env->vfp.vreg[src2].f16[j]);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = helper_fclass_s(
> +
> env->vfp.vreg[src2].f32[j]);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] = helper_fclass_d(
> +
> env->vfp.vreg[src2].f64[j]);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfcvt.xu.f.v vd, vs2, vm # Convert float to unsigned integer. */
> +void VECTOR_HELPER(vfcvt_xu_f_v)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +    if (vector_vtype_ill(env)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[j] = float16_to_uint16(
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[j] = float32_to_uint32(
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[j] = float64_to_uint64(
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfcvt.x.f.v vd, vs2, vm # Convert float to signed integer. */
> +void VECTOR_HELPER(vfcvt_x_f_v)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[j] = float16_to_int16(
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[j] = float32_to_int32(
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[j] = float64_to_int64(
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfcvt.f.xu.v vd, vs2, vm # Convert unsigned integer to float. */
> +void VECTOR_HELPER(vfcvt_f_xu_v)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = uint16_to_float16(
> +
> env->vfp.vreg[src2].u16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = uint32_to_float32(
> +
> env->vfp.vreg[src2].u32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = uint64_to_float64(
> +
> env->vfp.vreg[src2].u64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfcvt.f.x.v vd, vs2, vm # Convert integer to float. */
> +void VECTOR_HELPER(vfcvt_f_x_v)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[j] = int16_to_float16(
> +
> env->vfp.vreg[src2].s16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[j] = int32_to_float32(
> +
> env->vfp.vreg[src2].s32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[j] = int64_to_float64(
> +
> env->vfp.vreg[src2].s64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fcommon(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwcvt.xu.f.v vd, vs2, vm # Convert float to double-width unsigned
> integer.*/
> +void VECTOR_HELPER(vfwcvt_xu_f_v)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +
> +    if (lmul > 4) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] = float16_to_uint32(
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u64[k] = float32_to_uint64(
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +            }
> +        } else {
> +            vector_tail_fwiden(env, dest, j, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwcvt.x.f.v vd, vs2, vm # Convert float to double-width signed
> integer. */
> +void VECTOR_HELPER(vfwcvt_x_f_v)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (lmul > 4) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] = float16_to_int32(
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s64[k] = float32_to_int64(
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fwiden(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwcvt.f.xu.v vd, vs2, vm # Convert unsigned integer to double-width
> float */
> +void VECTOR_HELPER(vfwcvt_f_xu_v)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (lmul > 4) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = uint16_to_float32(
> +
> env->vfp.vreg[src2].u16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = uint32_to_float64(
> +
> env->vfp.vreg[src2].u32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fwiden(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfwcvt.f.x.v vd, vs2, vm # Convert integer to double-width float. */
> +void VECTOR_HELPER(vfwcvt_f_x_v)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (lmul > 4) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = int16_to_float32(
> +
> env->vfp.vreg[src2].s16[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = int32_to_float64(
> +
> env->vfp.vreg[src2].s32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fwiden(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/*
> + * vfwcvt.f.f.v vd, vs2, vm #
> + * Convert single-width float to double-width float.
> + */
> +void VECTOR_HELPER(vfwcvt_f_f_v)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env)
> +        || vector_overlap_vm_force(vm, rd)
> +        || vector_overlap_dstgp_srcgp(rd, 2 * lmul, rs2, lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, false);
> +    vector_lmul_check_reg(env, lmul, rd, true);
> +
> +    if (lmul > 4) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / (2 * width)));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float16_to_float32(
> +
> env->vfp.vreg[src2].f16[j],
> +                                                    true,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f64[k] = float32_to_float64(
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fwiden(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfncvt.xu.f.v vd, vs2, vm # Convert float to unsigned integer. */
> +void VECTOR_HELPER(vfncvt_xu_f_v)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env) ||
> +        vector_overlap_vm_common(lmul, vm, rd) ||
> +        vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (lmul > 4) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        k = i % (VLEN / width);
> +        j = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u16[k] = float32_to_uint16(
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].u32[k] = float64_to_uint32(
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fnarrow(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfncvt.x.f.v vd, vs2, vm # Convert double-width float to signed
> integer. */
> +void VECTOR_HELPER(vfncvt_x_f_v)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +     if (vector_vtype_ill(env) ||
> +        vector_overlap_vm_common(lmul, vm, rd) ||
> +        vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (lmul > 4) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        k = i % (VLEN / width);
> +        j = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s16[k] = float32_to_int16(
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].s32[k] = float64_to_int32(
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fnarrow(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfncvt.f.xu.v vd, vs2, vm # Convert double-width unsigned integer to
> float */
> +void VECTOR_HELPER(vfncvt_f_xu_v)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +
> +    if (vector_vtype_ill(env) ||
> +        vector_overlap_vm_common(lmul, vm, rd) ||
> +        vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (lmul > 4) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        k = i % (VLEN / width);
> +        j = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[k] = uint32_to_float16(
> +
> env->vfp.vreg[src2].u32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = uint64_to_float32(
> +
> env->vfp.vreg[src2].u64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fnarrow(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfncvt.f.x.v vd, vs2, vm # Convert double-width integer to float. */
> +void VECTOR_HELPER(vfncvt_f_x_v)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env) ||
> +        vector_overlap_vm_common(lmul, vm, rd) ||
> +        vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (lmul > 4) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        k = i % (VLEN / width);
> +        j = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[k] = int32_to_float16(
> +
> env->vfp.vreg[src2].s32[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = int64_to_float32(
> +
> env->vfp.vreg[src2].s64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fnarrow(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +/* vfncvt.f.f.v vd, vs2, vm # Convert double float to single-width float.
> */
> +void VECTOR_HELPER(vfncvt_f_f_v)(CPURISCVState *env, uint32_t vm,
> +    uint32_t rs2, uint32_t rd)
> +{
> +    int width, lmul, vl, vlmax;
> +    int i, j, k, dest, src2;
> +
> +    lmul = vector_get_lmul(env);
> +    vl = env->vfp.vl;
> +    if (vector_vtype_ill(env) ||
> +        vector_overlap_vm_common(lmul, vm, rd) ||
> +        vector_overlap_dstgp_srcgp(rd, lmul, rs2, 2 * lmul)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rs2, true);
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    if (lmul > 4) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (env->vfp.vstart >= vl) {
> +        return;
> +    }
> +
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / (2 * width)));
> +        k = i % (VLEN / width);
> +        j = i % (VLEN / (2 * width));
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f16[k] = float32_to_float16(
> +
> env->vfp.vreg[src2].f32[j],
> +                                                    true,
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    env->vfp.vreg[dest].f32[k] = float64_to_float32(
> +
> env->vfp.vreg[src2].f64[j],
> +                                                    &env->fp_status);
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_fnarrow(env, dest, k, width);
> +        }
> +    }
> +    return;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlbu_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].u8[j] =
> +                            cpu_ldub_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].u16[j] =
> +                            cpu_ldub_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].u32[j] =
> +                            cpu_ldub_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].u64[j] =
> +                            cpu_ldub_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlb_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].s8[j] =
> +                            cpu_ldsb_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].s16[j] =
> sign_extend(
> +                            cpu_ldsb_data(env, env->gpr[rs1] + read), 8);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].s32[j] =
> sign_extend(
> +                            cpu_ldsb_data(env, env->gpr[rs1] + read), 8);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].s64[j] =
> sign_extend(
> +                            cpu_ldsb_data(env, env->gpr[rs1] + read), 8);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlsbu_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k;
> +                        env->vfp.vreg[dest + k * lmul].u8[j] =
> +                            cpu_ldub_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k;
> +                        env->vfp.vreg[dest + k * lmul].u16[j] =
> +                            cpu_ldub_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k;
> +                        env->vfp.vreg[dest + k * lmul].u32[j] =
> +                            cpu_ldub_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k;
> +                        env->vfp.vreg[dest + k * lmul].u64[j] =
> +                            cpu_ldub_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlsb_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k;
> +                        env->vfp.vreg[dest + k * lmul].s8[j] =
> +                            cpu_ldsb_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k;
> +                        env->vfp.vreg[dest + k * lmul].s16[j] =
> sign_extend(
> +                            cpu_ldsb_data(env, env->gpr[rs1] + read), 8);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k;
> +                        env->vfp.vreg[dest + k * lmul].s32[j] =
> sign_extend(
> +                            cpu_ldsb_data(env, env->gpr[rs1] + read), 8);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k;
> +                        env->vfp.vreg[dest + k * lmul].s64[j] =
> sign_extend(
> +                            cpu_ldsb_data(env, env->gpr[rs1] + read), 8);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlxbu_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, src2;
> +    target_ulong addr;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 1,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].u8[j] =
> +                            cpu_ldub_data(env, addr);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 1,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].u16[j] =
> +                            cpu_ldub_data(env, addr);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 1,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].u32[j] =
> +                            cpu_ldub_data(env, addr);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 1,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].u64[j] =
> +                            cpu_ldub_data(env, addr);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlxb_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, src2;
> +    target_ulong addr;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 1,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].s8[j] =
> +                            cpu_ldsb_data(env, addr);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 1,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].s16[j] =
> sign_extend(
> +                            cpu_ldsb_data(env, addr), 8);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 1,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].s32[j] =
> sign_extend(
> +                            cpu_ldsb_data(env, addr), 8);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 1,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].s64[j] =
> sign_extend(
> +                            cpu_ldsb_data(env, addr), 8);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlbuff_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    env->foflag = true;
> +    env->vfp.vl = 0;
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].u8[j] =
> +                            cpu_ldub_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].u16[j] =
> +                            cpu_ldub_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].u32[j] =
> +                            cpu_ldub_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].u64[j] =
> +                            cpu_ldub_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->foflag = false;
> +    env->vfp.vl = vl;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlbff_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +    env->foflag = true;
> +    env->vfp.vl = 0;
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].s8[j] =
> +                            cpu_ldsb_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].s16[j] =
> sign_extend(
> +                            cpu_ldsb_data(env, env->gpr[rs1] + read), 8);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].s32[j] =
> sign_extend(
> +                            cpu_ldsb_data(env, env->gpr[rs1] + read), 8);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].s64[j] =
> sign_extend(
> +                            cpu_ldsb_data(env, env->gpr[rs1] + read), 8);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->foflag = false;
> +    env->vfp.vl = vl;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlhu_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 2;
> +                        env->vfp.vreg[dest + k * lmul].u16[j] =
> +                            cpu_lduw_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 2;
> +                        env->vfp.vreg[dest + k * lmul].u32[j] =
> +                            cpu_lduw_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 2;
> +                        env->vfp.vreg[dest + k * lmul].u64[j] =
> +                            cpu_lduw_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlh_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 2;
> +                        env->vfp.vreg[dest + k * lmul].s16[j] =
> +                            cpu_ldsw_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 2;
> +                        env->vfp.vreg[dest + k * lmul].s32[j] =
> sign_extend(
> +                            cpu_ldsw_data(env, env->gpr[rs1] + read), 16);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 2;
> +                        env->vfp.vreg[dest + k * lmul].s64[j] =
> sign_extend(
> +                            cpu_ldsw_data(env, env->gpr[rs1] + read), 16);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlshu_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k * 2;
> +                        env->vfp.vreg[dest + k * lmul].u16[j] =
> +                            cpu_lduw_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k * 2;
> +                        env->vfp.vreg[dest + k * lmul].u32[j] =
> +                            cpu_lduw_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k * 2;
> +                        env->vfp.vreg[dest + k * lmul].u64[j] =
> +                            cpu_lduw_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlsh_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k * 2;
> +                        env->vfp.vreg[dest + k * lmul].s16[j] =
> +                            cpu_ldsw_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k * 2;
> +                        env->vfp.vreg[dest + k * lmul].s32[j] =
> sign_extend(
> +                            cpu_ldsw_data(env, env->gpr[rs1] + read), 16);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k * 2;
> +                        env->vfp.vreg[dest + k * lmul].s64[j] =
> sign_extend(
> +                            cpu_ldsw_data(env, env->gpr[rs1] + read), 16);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlxhu_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, src2;
> +    target_ulong addr;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 2,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].u16[j] =
> +                            cpu_lduw_data(env, addr);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 2,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].u32[j] =
> +                            cpu_lduw_data(env, addr);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 2,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].u64[j] =
> +                            cpu_lduw_data(env, addr);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlxh_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, src2;
> +    target_ulong addr;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 2,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].s16[j] =
> +                            cpu_ldsw_data(env, addr);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 2,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].s32[j] =
> sign_extend(
> +                            cpu_ldsw_data(env, addr), 16);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 2,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].s64[j] =
> sign_extend(
> +                            cpu_ldsw_data(env, addr), 16);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlhuff_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +    env->foflag = true;
> +    env->vfp.vl = 0;
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 2;
> +                        env->vfp.vreg[dest + k * lmul].u16[j] =
> +                            cpu_lduw_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 2;
> +                        env->vfp.vreg[dest + k * lmul].u32[j] =
> +                            cpu_lduw_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 2;
> +                        env->vfp.vreg[dest + k * lmul].u64[j] =
> +                            cpu_lduw_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->foflag = false;
> +    env->vfp.vl = vl;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlhff_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +    env->foflag = true;
> +    env->vfp.vl = 0;
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 2;
> +                        env->vfp.vreg[dest + k * lmul].s16[j] =
> +                            cpu_ldsw_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 2;
> +                        env->vfp.vreg[dest + k * lmul].s32[j] =
> sign_extend(
> +                            cpu_ldsw_data(env, env->gpr[rs1] + read), 16);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 2;
> +                        env->vfp.vreg[dest + k * lmul].s64[j] =
> sign_extend(
> +                            cpu_ldsw_data(env, env->gpr[rs1] + read), 16);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->foflag = false;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlw_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 4;
> +                        env->vfp.vreg[dest + k * lmul].s32[j] =
> +                            cpu_ldl_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 4;
> +                        env->vfp.vreg[dest + k * lmul].s64[j] =
> sign_extend(
> +                            cpu_ldl_data(env, env->gpr[rs1] + read), 32);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlwu_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 4;
> +                        env->vfp.vreg[dest + k * lmul].u32[j] =
> +                            cpu_ldl_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 4;
> +                        env->vfp.vreg[dest + k * lmul].u64[j] =
> +                            cpu_ldl_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlswu_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k * 4;
> +                        env->vfp.vreg[dest + k * lmul].u32[j] =
> +                            cpu_ldl_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k * 4;
> +                        env->vfp.vreg[dest + k * lmul].u64[j] =
> +                            cpu_ldl_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlsw_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k * 4;
> +                        env->vfp.vreg[dest + k * lmul].s32[j] =
> +                            cpu_ldl_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2] + k * 4;
> +                        env->vfp.vreg[dest + k * lmul].s64[j] =
> sign_extend(
> +                            cpu_ldl_data(env, env->gpr[rs1] + read), 32);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlxwu_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, src2;
> +    target_ulong addr;
> +
> +    vl = env->vfp.vl;
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 4,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].u32[j] =
> +                            cpu_ldl_data(env, addr);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 4,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].u64[j] =
> +                            cpu_ldl_data(env, addr);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlxw_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, src2;
> +    target_ulong addr;
> +
> +    vl = env->vfp.vl;
> +
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 4,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].s32[j] =
> +                            cpu_ldl_data(env, addr);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 4,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].s64[j] =
> sign_extend(
> +                            cpu_ldl_data(env, addr), 32);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlwuff_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +    env->foflag = true;
> +    env->vfp.vl = 0;
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 4;
> +                        env->vfp.vreg[dest + k * lmul].u32[j] =
> +                            cpu_ldl_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 4;
> +                        env->vfp.vreg[dest + k * lmul].u64[j] =
> +                            cpu_ldl_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->foflag = false;
> +    env->vfp.vl = vl;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlwff_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +    env->foflag = true;
> +    env->vfp.vl = 0;
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 4;
> +                        env->vfp.vreg[dest + k * lmul].s32[j] =
> +                            cpu_ldl_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 4;
> +                        env->vfp.vreg[dest + k * lmul].s64[j] =
> sign_extend(
> +                            cpu_ldl_data(env, env->gpr[rs1] + read), 32);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->foflag = false;
> +    env->vfp.vl = vl;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vle_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].u8[j] =
> +                            cpu_ldub_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 2;
> +                        env->vfp.vreg[dest + k * lmul].u16[j] =
> +                            cpu_lduw_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 4;
> +                        env->vfp.vreg[dest + k * lmul].u32[j] =
> +                            cpu_ldl_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 8;
> +                        env->vfp.vreg[dest + k * lmul].u64[j] =
> +                            cpu_ldq_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlse_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2]  + k;
> +                        env->vfp.vreg[dest + k * lmul].u8[j] =
> +                            cpu_ldub_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2]  + k * 2;
> +                        env->vfp.vreg[dest + k * lmul].u16[j] =
> +                            cpu_lduw_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2]  + k * 4;
> +                        env->vfp.vreg[dest + k * lmul].u32[j] =
> +                            cpu_ldl_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * env->gpr[rs2]  + k * 8;
> +                        env->vfp.vreg[dest + k * lmul].u64[j] =
> +                            cpu_ldq_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vlxe_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, src2;
> +    target_ulong addr;
> +
> +    vl = env->vfp.vl;
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 1,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].u8[j] =
> +                            cpu_ldub_data(env, addr);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 2,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].u16[j] =
> +                            cpu_lduw_data(env, addr);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 4,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].u32[j] =
> +                            cpu_ldl_data(env, addr);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 8,
> width, k);
> +                        env->vfp.vreg[dest + k * lmul].u64[j] =
> +                            cpu_ldq_data(env, addr);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vleff_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, read;
> +
> +    vl = env->vfp.vl;
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +    env->vfp.vl = 0;
> +    env->foflag = true;
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = i * (nf + 1)  + k;
> +                        env->vfp.vreg[dest + k * lmul].u8[j] =
> +                            cpu_ldub_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 2;
> +                        env->vfp.vreg[dest + k * lmul].u16[j] =
> +                            cpu_lduw_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 4;
> +                        env->vfp.vreg[dest + k * lmul].u32[j] =
> +                            cpu_ldl_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        read = (i * (nf + 1)  + k) * 8;
> +                        env->vfp.vreg[dest + k * lmul].u64[j] =
> +                            cpu_ldq_data(env, env->gpr[rs1] + read);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                env->vfp.vl++;
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        } else {
> +            vector_tail_segment(env, dest, j, width, k, lmul);
> +        }
> +    }
> +    env->foflag = false;
> +    env->vfp.vl = vl;
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsb_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, wrote;
> +
> +    vl = env->vfp.vl;
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * (nf + 1) + k;
> +                        cpu_stb_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s8[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * (nf + 1) + k;
> +                        cpu_stb_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s16[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * (nf + 1) + k;
> +                        cpu_stb_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s32[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * (nf + 1) + k;
> +                        cpu_stb_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s64[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vssb_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, wrote;
> +
> +    vl = env->vfp.vl;
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * env->gpr[rs2] + k;
> +                        cpu_stb_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s8[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * env->gpr[rs2] + k;
> +                        cpu_stb_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s16[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * env->gpr[rs2] + k;
> +                        cpu_stb_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s32[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * env->gpr[rs2] + k;
> +                        cpu_stb_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s64[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsxb_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, src2;
> +    target_ulong addr;
> +
> +    vl = env->vfp.vl;
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 1,
> width, k);
> +                        cpu_stb_data(env, addr,
> +                            env->vfp.vreg[dest + k * lmul].s8[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 1,
> width, k);
> +                        cpu_stb_data(env, addr,
> +                            env->vfp.vreg[dest + k * lmul].s16[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 1,
> width, k);
> +                        cpu_stb_data(env, addr,
> +                            env->vfp.vreg[dest + k * lmul].s32[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 1,
> width, k);
> +                        cpu_stb_data(env, addr,
> +                            env->vfp.vreg[dest + k * lmul].s64[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsuxb_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    return VECTOR_HELPER(vsxb_v)(env, nf, vm, rs1, rs2, rd);
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsh_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, wrote;
> +
> +    vl = env->vfp.vl;
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = (i * (nf + 1) + k) * 2;
> +                        cpu_stw_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s16[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = (i * (nf + 1) + k) * 2;
> +                        cpu_stw_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s32[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = (i * (nf + 1) + k) * 2;
> +                        cpu_stw_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s64[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vssh_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, wrote;
> +
> +    vl = env->vfp.vl;
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * env->gpr[rs2] + k * 2;
> +                        cpu_stw_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s16[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * env->gpr[rs2] + k * 2;
> +                        cpu_stw_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s32[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * env->gpr[rs2] + k * 2;
> +                        cpu_stw_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s64[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsxh_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, src2;
> +    target_ulong addr;
> +
> +    vl = env->vfp.vl;
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 2,
> width, k);
> +                        cpu_stw_data(env, addr,
> +                            env->vfp.vreg[dest + k * lmul].s16[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 2,
> width, k);
> +                        cpu_stw_data(env, addr,
> +                            env->vfp.vreg[dest + k * lmul].s32[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 2,
> width, k);
> +                        cpu_stw_data(env, addr,
> +                            env->vfp.vreg[dest + k * lmul].s64[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsuxh_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    return VECTOR_HELPER(vsxh_v)(env, nf, vm, rs1, rs2, rd);
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsw_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, wrote;
> +
> +    vl = env->vfp.vl;
> +
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = (i * (nf + 1) + k) * 4;
> +                        cpu_stl_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s32[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = (i * (nf + 1) + k) * 4;
> +                        cpu_stl_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s64[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vssw_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, wrote;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * env->gpr[rs2] + k * 4;
> +                        cpu_stl_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s32[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * env->gpr[rs2] + k * 4;
> +                        cpu_stl_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s64[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsxw_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, src2;
> +    target_ulong addr;
> +
> +    vl = env->vfp.vl;
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 4,
> width, k);
> +                        cpu_stl_data(env, addr,
> +                            env->vfp.vreg[dest + k * lmul].s32[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 4,
> width, k);
> +                        cpu_stl_data(env, addr,
> +                            env->vfp.vreg[dest + k * lmul].s64[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsuxw_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    return VECTOR_HELPER(vsxw_v)(env, nf, vm, rs1, rs2, rd);
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vse_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, wrote;
> +
> +    vl = env->vfp.vl;
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * (nf + 1) + k;
> +                        cpu_stb_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s8[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = (i * (nf + 1) + k) * 2;
> +                        cpu_stw_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s16[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = (i * (nf + 1) + k) * 4;
> +                        cpu_stl_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s32[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = (i * (nf + 1) + k) * 8;
> +                        cpu_stq_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s64[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsse_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, wrote;
> +
> +    vl = env->vfp.vl;
> +
> +
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * env->gpr[rs2] + k;
> +                        cpu_stb_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s8[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * env->gpr[rs2] + k * 2;
> +                        cpu_stw_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s16[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * env->gpr[rs2] + k * 4;
> +                        cpu_stl_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s32[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        wrote = i * env->gpr[rs2] + k * 8;
> +                        cpu_stq_data(env, env->gpr[rs1] + wrote,
> +                            env->vfp.vreg[dest + k * lmul].s64[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsxe_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    int i, j, k, vl, vlmax, lmul, width, dest, src2;
> +    target_ulong addr;
> +
> +    vl = env->vfp.vl;
> +    lmul   = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +
> +    if (vector_vtype_ill(env) || vector_overlap_vm_common(lmul, vm, rd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    if (lmul * (nf + 1) > 32) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, rd, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        dest = rd + (i / (VLEN / width));
> +        src2 = rs2 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        k = nf;
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 8:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 1,
> width, k);
> +                        cpu_stb_data(env, addr,
> +                            env->vfp.vreg[dest + k * lmul].s8[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 16:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 2,
> width, k);
> +                        cpu_stw_data(env, addr,
> +                            env->vfp.vreg[dest + k * lmul].s16[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 4,
> width, k);
> +                        cpu_stl_data(env, addr,
> +                            env->vfp.vreg[dest + k * lmul].s32[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    while (k >= 0) {
> +                        addr = vector_get_index(env, rs1, src2, j, 8,
> width, k);
> +                        cpu_stq_data(env, addr,
> +                            env->vfp.vreg[dest + k * lmul].s64[j]);
> +                        k--;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                return;
> +            }
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vsuxe_v)(CPURISCVState *env, uint32_t nf, uint32_t vm,
> +    uint32_t rs1, uint32_t rs2, uint32_t rd)
> +{
> +    return VECTOR_HELPER(vsxe_v)(env, nf, vm, rs1, rs2, rd);
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vamoswapw_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TESL;
> +#endif
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 32 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int32_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s32[j];
> +                    addr   = idx + env->gpr[rs1];
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_xchgl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_xchgl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s32[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = (int64_t)(int32_t)helper_atomic_xchgl_le(env,
> addr,
> +                        env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = (int64_t)(int32_t)helper_atomic_xchgl_le(env,
> addr,
> +                        env->vfp.vreg[src3].s64[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +
> +void VECTOR_HELPER(vamoswapd_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TEQ;
> +#endif
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 64 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_xchgq_le(env, addr,
> +                        env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_xchgq_le(env, addr,
> +                        env->vfp.vreg[src3].s64[j]);
> +#endif
> +
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vamoaddw_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TESL;
> +#endif
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 32 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int32_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s32[j];
> +                    addr   = idx + env->gpr[rs1];
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_addl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_addl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s32[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp =
> (int64_t)(int32_t)helper_atomic_fetch_addl_le(env,
> +                        addr, env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp =
> (int64_t)(int32_t)helper_atomic_fetch_addl_le(env,
> +                        addr, env->vfp.vreg[src3].s64[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vamoaddd_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TEQ;
> +#endif
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 64 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_addq_le(env, addr,
> +                        env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_addq_le(env, addr,
> +                        env->vfp.vreg[src3].s64[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vamoxorw_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TESL;
> +#endif
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 32 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int32_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s32[j];
> +                    addr   = idx + env->gpr[rs1];
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_xorl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_xorl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s32[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp =
> (int64_t)(int32_t)helper_atomic_fetch_xorl_le(env,
> +                        addr, env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp =
> (int64_t)(int32_t)helper_atomic_fetch_xorl_le(env,
> +                        addr, env->vfp.vreg[src3].s64[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +
> +void VECTOR_HELPER(vamoxord_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TESL;
> +#endif
> +
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 64 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_xorq_le(env, addr,
> +                        env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_xorq_le(env, addr,
> +                        env->vfp.vreg[src3].s64[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vamoandw_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TESL;
> +#endif
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 32 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int32_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s32[j];
> +                    addr   = idx + env->gpr[rs1];
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_andl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_andl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s32[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp =
> (int64_t)(int32_t)helper_atomic_fetch_andl_le(env,
> +                        addr, env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp =
> (int64_t)(int32_t)helper_atomic_fetch_andl_le(env,
> +                        addr, env->vfp.vreg[src3].s64[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vamoandd_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TEQ;
> +#endif
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 64 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_andq_le(env, addr,
> +                        env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_andq_le(env, addr,
> +                        env->vfp.vreg[src3].s64[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vamoorw_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TESL;
> +#endif
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 32 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int32_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s32[j];
> +                    addr   = idx + env->gpr[rs1];
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_orl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_orl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s32[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp =
> (int64_t)(int32_t)helper_atomic_fetch_orl_le(env,
> +                        addr, env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp =
> (int64_t)(int32_t)helper_atomic_fetch_orl_le(env,
> +                        addr, env->vfp.vreg[src3].s64[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vamoord_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TEQ;
> +#endif
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 64 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_orq_le(env, addr,
> +                        env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_orq_le(env, addr,
> +                        env->vfp.vreg[src3].s64[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vamominw_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TESL;
> +#endif
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 32 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int32_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s32[j];
> +                    addr   = idx + env->gpr[rs1];
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_sminl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_sminl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s32[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp =
> (int64_t)(int32_t)helper_atomic_fetch_sminl_le(env,
> +                        addr, env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp =
> (int64_t)(int32_t)helper_atomic_fetch_sminl_le(env,
> +                        addr, env->vfp.vreg[src3].s64[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +
> +void VECTOR_HELPER(vamomind_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TEQ;
> +#endif
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 64 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_sminq_le(env, addr,
> +                        env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_sminq_le(env, addr,
> +                        env->vfp.vreg[src3].s64[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vamomaxw_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TESL;
> +#endif
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 32 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int32_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s32[j];
> +                    addr   = idx + env->gpr[rs1];
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_smaxl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_smaxl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s32[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp =
> (int64_t)(int32_t)helper_atomic_fetch_smaxl_le(env,
> +                        addr, env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp =
> (int64_t)(int32_t)helper_atomic_fetch_smaxl_le(env,
> +                        addr, env->vfp.vreg[src3].s64[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +
> +void VECTOR_HELPER(vamomaxd_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TEQ;
> +#endif
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 64 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    int64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_smaxq_le(env, addr,
> +                        env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_smaxq_le(env, addr,
> +                        env->vfp.vreg[src3].s64[j]);
> +#endif
> +                if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vamominuw_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TESL;
> +#endif
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 32 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    uint32_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s32[j];
> +                    addr   = idx + env->gpr[rs1];
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_uminl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_uminl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s32[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    uint64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = (int64_t)(int32_t)helper_atomic_fetch_uminl_le(
> +                        env, addr, env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = (int64_t)(int32_t)helper_atomic_fetch_uminl_le(
> +                        env, addr, env->vfp.vreg[src3].s64[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +
> +void VECTOR_HELPER(vamominud_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TESL;
> +#endif
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 64 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    uint32_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s32[j];
> +                    addr   = idx + env->gpr[rs1];
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_uminl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_uminl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s32[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    uint64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_uminq_le(
> +                        env, addr, env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_uminq_le(env, addr,
> +                        env->vfp.vreg[src3].s64[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> +void VECTOR_HELPER(vamomaxuw_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TESL;
> +#endif
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 32 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 32:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    uint32_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s32[j];
> +                    addr   = idx + env->gpr[rs1];
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_umaxl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_umaxl_le(env, addr,
> +                        env->vfp.vreg[src3].s32[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s32[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    uint64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = (int64_t)(int32_t)helper_atomic_fetch_umaxl_le(
> +                        env, addr, env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = (int64_t)(int32_t)helper_atomic_fetch_umaxl_le(
> +                        env, addr, env->vfp.vreg[src3].s64[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +void VECTOR_HELPER(vamomaxud_v)(CPURISCVState *env, uint32_t wd, uint32_t
> vm,
> +    uint32_t rs1, uint32_t vs2, uint32_t vs3)
> +{
> +    int i, j, vl;
> +    target_long idx;
> +    uint32_t lmul, width, src2, src3, vlmax;
> +    target_ulong addr;
> +#ifdef CONFIG_SOFTMMU
> +    int mem_idx = cpu_mmu_index(env, false);
> +    TCGMemOp memop = MO_ALIGN | MO_TEQ;
> +#endif
> +
> +    vl    = env->vfp.vl;
> +    lmul  = vector_get_lmul(env);
> +    width = vector_get_width(env);
> +    vlmax = vector_get_vlmax(env);
> +    /* MEM <= SEW <= XLEN */
> +    if (width < 64 || (width > sizeof(target_ulong) * 8)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +    /* if wd, rd is writen the old value */
> +    if (vector_vtype_ill(env) ||
> +        (vector_overlap_vm_common(lmul, vm, vs3) && wd)) {
> +        riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC());
> +        return;
> +    }
> +
> +    vector_lmul_check_reg(env, lmul, vs2, false);
> +    vector_lmul_check_reg(env, lmul, vs3, false);
> +
> +    for (i = 0; i < vlmax; i++) {
> +        src2 = vs2 + (i / (VLEN / width));
> +        src3 = vs3 + (i / (VLEN / width));
> +        j = i % (VLEN / width);
> +        if (i < env->vfp.vstart) {
> +            continue;
> +        } else if (i < vl) {
> +            switch (width) {
> +            case 64:
> +                if (vector_elem_mask(env, vm, width, lmul, i)) {
> +                    uint64_t tmp;
> +                    idx    = (target_long)env->vfp.vreg[src2].s64[j];
> +                    addr   = idx + env->gpr[rs1];
> +
> +#ifdef CONFIG_SOFTMMU
> +                    tmp = helper_atomic_fetch_umaxq_le(
> +                        env, addr, env->vfp.vreg[src3].s64[j],
> +                        make_memop_idx(memop & ~MO_SIGN, mem_idx));
> +#else
> +                    tmp = helper_atomic_fetch_umaxq_le(env, addr,
> +                        env->vfp.vreg[src3].s64[j]);
> +#endif
> +                    if (wd) {
> +                        env->vfp.vreg[src3].s64[j] = tmp;
> +                    }
> +                    env->vfp.vstart++;
> +                }
> +                break;
> +            default:
> +                riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST,
> GETPC());
> +                break;
> +            }
> +        } else {
> +            vector_tail_amo(env, src3, j, width);
> +        }
> +    }
> +    env->vfp.vstart = 0;
> +}
> +
> --
> 2.7.4
>
>
>


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