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Re: [Qemu-devel] [PATCH 13/34] target/ppc: introduce get_cpu_vsr{l, h}()


From: David Gibson
Subject: Re: [Qemu-devel] [PATCH 13/34] target/ppc: introduce get_cpu_vsr{l, h}() and set_cpu_vsr{l, h}() helpers for VSR register access
Date: Wed, 19 Dec 2018 17:17:26 +1100
User-agent: Mutt/1.10.1 (2018-07-13)

On Mon, Dec 17, 2018 at 10:38:50PM -0800, Richard Henderson wrote:
> From: Mark Cave-Ayland <address@hidden>
> 
> These helpers allow us to move VSR register values to/from the specified 
> TCGv_i64
> argument.
> 
> To prevent VSX helpers accessing the cpu_vsr array directly, add extra TCG
> temporaries as required.
> 
> Signed-off-by: Mark Cave-Ayland <address@hidden>

Acked-by: David Gibson <address@hidden>

> Message-Id: <address@hidden>
> ---
>  target/ppc/translate/vsx-impl.inc.c | 782 ++++++++++++++++++++--------
>  1 file changed, 561 insertions(+), 221 deletions(-)
> 
> diff --git a/target/ppc/translate/vsx-impl.inc.c 
> b/target/ppc/translate/vsx-impl.inc.c
> index 85ed135d44..e9a05d66f7 100644
> --- a/target/ppc/translate/vsx-impl.inc.c
> +++ b/target/ppc/translate/vsx-impl.inc.c
> @@ -1,20 +1,48 @@
>  /***                           VSX extension                               
> ***/
>  
> -static inline TCGv_i64 cpu_vsrh(int n)
> +static inline void get_vsr(TCGv_i64 dst, int n)
> +{
> +    tcg_gen_mov_i64(dst, cpu_vsr[n]);
> +}
> +
> +static inline void set_vsr(int n, TCGv_i64 src)
> +{
> +    tcg_gen_mov_i64(cpu_vsr[n], src);
> +}
> +
> +static inline void get_cpu_vsrh(TCGv_i64 dst, int n)
>  {
>      if (n < 32) {
> -        return cpu_fpr[n];
> +        get_fpr(dst, n);
>      } else {
> -        return cpu_avrh[n-32];
> +        get_avr64(dst, n - 32, true);
>      }
>  }
>  
> -static inline TCGv_i64 cpu_vsrl(int n)
> +static inline void get_cpu_vsrl(TCGv_i64 dst, int n)
>  {
>      if (n < 32) {
> -        return cpu_vsr[n];
> +        get_vsr(dst, n);
>      } else {
> -        return cpu_avrl[n-32];
> +        get_avr64(dst, n - 32, false);
> +    }
> +}
> +
> +static inline void set_cpu_vsrh(int n, TCGv_i64 src)
> +{
> +    if (n < 32) {
> +        set_fpr(n, src);
> +    } else {
> +        set_avr64(n - 32, src, true);
> +    }
> +}
> +
> +static inline void set_cpu_vsrl(int n, TCGv_i64 src)
> +{
> +    if (n < 32) {
> +        set_vsr(n, src);
> +    } else {
> +        set_avr64(n - 32, src, false);
>      }
>  }
>  
> @@ -22,16 +50,20 @@ static inline TCGv_i64 cpu_vsrl(int n)
>  static void gen_##name(DisasContext *ctx)                     \
>  {                                                             \
>      TCGv EA;                                                  \
> +    TCGv_i64 t0;                                              \
>      if (unlikely(!ctx->vsx_enabled)) {                        \
>          gen_exception(ctx, POWERPC_EXCP_VSXU);                \
>          return;                                               \
>      }                                                         \
> +    t0 = tcg_temp_new_i64();                                  \
>      gen_set_access_type(ctx, ACCESS_INT);                     \
>      EA = tcg_temp_new();                                      \
>      gen_addr_reg_index(ctx, EA);                              \
> -    gen_qemu_##operation(ctx, cpu_vsrh(xT(ctx->opcode)), EA); \
> +    gen_qemu_##operation(ctx, t0, EA);                        \
> +    set_cpu_vsrh(xT(ctx->opcode), t0);                        \
>      /* NOTE: cpu_vsrl is undefined */                         \
>      tcg_temp_free(EA);                                        \
> +    tcg_temp_free_i64(t0);                                    \
>  }
>  
>  VSX_LOAD_SCALAR(lxsdx, ld64_i64)
> @@ -44,39 +76,54 @@ VSX_LOAD_SCALAR(lxsspx, ld32fs)
>  static void gen_lxvd2x(DisasContext *ctx)
>  {
>      TCGv EA;
> +    TCGv_i64 t0;
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
>          return;
>      }
> +    t0 = tcg_temp_new_i64();
>      gen_set_access_type(ctx, ACCESS_INT);
>      EA = tcg_temp_new();
>      gen_addr_reg_index(ctx, EA);
> -    gen_qemu_ld64_i64(ctx, cpu_vsrh(xT(ctx->opcode)), EA);
> +    gen_qemu_ld64_i64(ctx, t0, EA);
> +    set_cpu_vsrh(xT(ctx->opcode), t0);
>      tcg_gen_addi_tl(EA, EA, 8);
> -    gen_qemu_ld64_i64(ctx, cpu_vsrl(xT(ctx->opcode)), EA);
> +    gen_qemu_ld64_i64(ctx, t0, EA);
> +    set_cpu_vsrl(xT(ctx->opcode), t0);
>      tcg_temp_free(EA);
> +    tcg_temp_free_i64(t0);
>  }
>  
>  static void gen_lxvdsx(DisasContext *ctx)
>  {
>      TCGv EA;
> +    TCGv_i64 t0;
> +    TCGv_i64 t1;
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
>          return;
>      }
> +    t0 = tcg_temp_new_i64();
> +    t1 = tcg_temp_new_i64();
>      gen_set_access_type(ctx, ACCESS_INT);
>      EA = tcg_temp_new();
>      gen_addr_reg_index(ctx, EA);
> -    gen_qemu_ld64_i64(ctx, cpu_vsrh(xT(ctx->opcode)), EA);
> -    tcg_gen_mov_i64(cpu_vsrl(xT(ctx->opcode)), cpu_vsrh(xT(ctx->opcode)));
> +    gen_qemu_ld64_i64(ctx, t0, EA);
> +    set_cpu_vsrh(xT(ctx->opcode), t0);
> +    tcg_gen_mov_i64(t1, t0);
> +    set_cpu_vsrl(xT(ctx->opcode), t1);
>      tcg_temp_free(EA);
> +    tcg_temp_free_i64(t0);
> +    tcg_temp_free_i64(t1);
>  }
>  
>  static void gen_lxvw4x(DisasContext *ctx)
>  {
>      TCGv EA;
> -    TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode));
> -    TCGv_i64 xtl = cpu_vsrl(xT(ctx->opcode));
> +    TCGv_i64 xth = tcg_temp_new_i64();
> +    TCGv_i64 xtl = tcg_temp_new_i64();
> +    get_cpu_vsrh(xth, xT(ctx->opcode));
> +    get_cpu_vsrh(xtl, xT(ctx->opcode));
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
>          return;
> @@ -104,6 +151,8 @@ static void gen_lxvw4x(DisasContext *ctx)
>          tcg_gen_qemu_ld_i64(xtl, EA, ctx->mem_idx, MO_BEQ);
>      }
>      tcg_temp_free(EA);
> +    tcg_temp_free_i64(xth);
> +    tcg_temp_free_i64(xtl);
>  }
>  
>  static void gen_bswap16x8(TCGv_i64 outh, TCGv_i64 outl,
> @@ -151,8 +200,10 @@ static void gen_bswap32x4(TCGv_i64 outh, TCGv_i64 outl,
>  static void gen_lxvh8x(DisasContext *ctx)
>  {
>      TCGv EA;
> -    TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode));
> -    TCGv_i64 xtl = cpu_vsrl(xT(ctx->opcode));
> +    TCGv_i64 xth = tcg_temp_new_i64();
> +    TCGv_i64 xtl = tcg_temp_new_i64();
> +    get_cpu_vsrh(xth, xT(ctx->opcode));
> +    get_cpu_vsrh(xtl, xT(ctx->opcode));
>  
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
> @@ -169,13 +220,17 @@ static void gen_lxvh8x(DisasContext *ctx)
>          gen_bswap16x8(xth, xtl, xth, xtl);
>      }
>      tcg_temp_free(EA);
> +    tcg_temp_free_i64(xth);
> +    tcg_temp_free_i64(xtl);
>  }
>  
>  static void gen_lxvb16x(DisasContext *ctx)
>  {
>      TCGv EA;
> -    TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode));
> -    TCGv_i64 xtl = cpu_vsrl(xT(ctx->opcode));
> +    TCGv_i64 xth = tcg_temp_new_i64();
> +    TCGv_i64 xtl = tcg_temp_new_i64();
> +    get_cpu_vsrh(xth, xT(ctx->opcode));
> +    get_cpu_vsrh(xtl, xT(ctx->opcode));
>  
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
> @@ -188,6 +243,8 @@ static void gen_lxvb16x(DisasContext *ctx)
>      tcg_gen_addi_tl(EA, EA, 8);
>      tcg_gen_qemu_ld_i64(xtl, EA, ctx->mem_idx, MO_BEQ);
>      tcg_temp_free(EA);
> +    tcg_temp_free_i64(xth);
> +    tcg_temp_free_i64(xtl);
>  }
>  
>  #define VSX_VECTOR_LOAD_STORE(name, op, indexed)            \
> @@ -195,15 +252,16 @@ static void gen_##name(DisasContext *ctx)               
>     \
>  {                                                           \
>      int xt;                                                 \
>      TCGv EA;                                                \
> -    TCGv_i64 xth, xtl;                                      \
> +    TCGv_i64 xth = tcg_temp_new_i64();                      \
> +    TCGv_i64 xtl = tcg_temp_new_i64();                      \
>                                                              \
>      if (indexed) {                                          \
>          xt = xT(ctx->opcode);                               \
>      } else {                                                \
>          xt = DQxT(ctx->opcode);                             \
>      }                                                       \
> -    xth = cpu_vsrh(xt);                                     \
> -    xtl = cpu_vsrl(xt);                                     \
> +    get_cpu_vsrh(xth, xt);                                  \
> +    get_cpu_vsrl(xtl, xt);                                  \
>                                                              \
>      if (xt < 32) {                                          \
>          if (unlikely(!ctx->vsx_enabled)) {                  \
> @@ -225,14 +283,20 @@ static void gen_##name(DisasContext *ctx)               
>     \
>      }                                                       \
>      if (ctx->le_mode) {                                     \
>          tcg_gen_qemu_##op(xtl, EA, ctx->mem_idx, MO_LEQ);   \
> +        set_cpu_vsrl(xt, xtl);                              \
>          tcg_gen_addi_tl(EA, EA, 8);                         \
>          tcg_gen_qemu_##op(xth, EA, ctx->mem_idx, MO_LEQ);   \
> +        set_cpu_vsrh(xt, xth);                              \
>      } else {                                                \
>          tcg_gen_qemu_##op(xth, EA, ctx->mem_idx, MO_BEQ);   \
> +        set_cpu_vsrh(xt, xth);                              \
>          tcg_gen_addi_tl(EA, EA, 8);                         \
>          tcg_gen_qemu_##op(xtl, EA, ctx->mem_idx, MO_BEQ);   \
> +        set_cpu_vsrl(xt, xtl);                              \
>      }                                                       \
>      tcg_temp_free(EA);                                      \
> +    tcg_temp_free_i64(xth);                                 \
> +    tcg_temp_free_i64(xtl);                                 \
>  }
>  
>  VSX_VECTOR_LOAD_STORE(lxv, ld_i64, 0)
> @@ -276,7 +340,8 @@ VSX_VECTOR_LOAD_STORE_LENGTH(stxvll)
>  static void gen_##name(DisasContext *ctx)                         \
>  {                                                                 \
>      TCGv EA;                                                      \
> -    TCGv_i64 xth = cpu_vsrh(rD(ctx->opcode) + 32);                \
> +    TCGv_i64 xth = tcg_temp_new_i64();                            \
> +    get_cpu_vsrh(xth, rD(ctx->opcode) + 32);                      \
>                                                                    \
>      if (unlikely(!ctx->altivec_enabled)) {                        \
>          gen_exception(ctx, POWERPC_EXCP_VPU);                     \
> @@ -286,8 +351,10 @@ static void gen_##name(DisasContext *ctx)                
>          \
>      EA = tcg_temp_new();                                          \
>      gen_addr_imm_index(ctx, EA, 0x03);                            \
>      gen_qemu_##operation(ctx, xth, EA);                           \
> +    set_cpu_vsrh(rD(ctx->opcode) + 32, xth);                      \
>      /* NOTE: cpu_vsrl is undefined */                             \
>      tcg_temp_free(EA);                                            \
> +    tcg_temp_free_i64(xth);                                       \
>  }
>  
>  VSX_LOAD_SCALAR_DS(lxsd, ld64_i64)
> @@ -297,15 +364,19 @@ VSX_LOAD_SCALAR_DS(lxssp, ld32fs)
>  static void gen_##name(DisasContext *ctx)                     \
>  {                                                             \
>      TCGv EA;                                                  \
> +    TCGv_i64 t0;                                              \
>      if (unlikely(!ctx->vsx_enabled)) {                        \
>          gen_exception(ctx, POWERPC_EXCP_VSXU);                \
>          return;                                               \
>      }                                                         \
> +    t0 = tcg_temp_new_i64();                                  \
>      gen_set_access_type(ctx, ACCESS_INT);                     \
>      EA = tcg_temp_new();                                      \
>      gen_addr_reg_index(ctx, EA);                              \
> -    gen_qemu_##operation(ctx, cpu_vsrh(xS(ctx->opcode)), EA); \
> +    gen_qemu_##operation(ctx, t0, EA);                        \
> +    set_cpu_vsrh(xS(ctx->opcode), t0);                        \
>      tcg_temp_free(EA);                                        \
> +    tcg_temp_free_i64(t0);                                    \
>  }
>  
>  VSX_STORE_SCALAR(stxsdx, st64_i64)
> @@ -318,6 +389,7 @@ VSX_STORE_SCALAR(stxsspx, st32fs)
>  static void gen_stxvd2x(DisasContext *ctx)
>  {
>      TCGv EA;
> +    TCGv_i64 t0 = tcg_temp_new_i64();
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
>          return;
> @@ -325,17 +397,23 @@ static void gen_stxvd2x(DisasContext *ctx)
>      gen_set_access_type(ctx, ACCESS_INT);
>      EA = tcg_temp_new();
>      gen_addr_reg_index(ctx, EA);
> -    gen_qemu_st64_i64(ctx, cpu_vsrh(xS(ctx->opcode)), EA);
> +    get_cpu_vsrh(t0, xS(ctx->opcode));
> +    gen_qemu_st64_i64(ctx, t0, EA);
>      tcg_gen_addi_tl(EA, EA, 8);
> -    gen_qemu_st64_i64(ctx, cpu_vsrl(xS(ctx->opcode)), EA);
> +    get_cpu_vsrl(t0, xS(ctx->opcode));
> +    gen_qemu_st64_i64(ctx, t0, EA);
>      tcg_temp_free(EA);
> +    tcg_temp_free_i64(t0);
>  }
>  
>  static void gen_stxvw4x(DisasContext *ctx)
>  {
> -    TCGv_i64 xsh = cpu_vsrh(xS(ctx->opcode));
> -    TCGv_i64 xsl = cpu_vsrl(xS(ctx->opcode));
>      TCGv EA;
> +    TCGv_i64 xsh = tcg_temp_new_i64();
> +    TCGv_i64 xsl = tcg_temp_new_i64();
> +    get_cpu_vsrh(xsh, xS(ctx->opcode));
> +    get_cpu_vsrl(xsl, xS(ctx->opcode));
> +
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
>          return;
> @@ -362,13 +440,17 @@ static void gen_stxvw4x(DisasContext *ctx)
>          tcg_gen_qemu_st_i64(xsl, EA, ctx->mem_idx, MO_BEQ);
>      }
>      tcg_temp_free(EA);
> +    tcg_temp_free_i64(xsh);
> +    tcg_temp_free_i64(xsl);
>  }
>  
>  static void gen_stxvh8x(DisasContext *ctx)
>  {
> -    TCGv_i64 xsh = cpu_vsrh(xS(ctx->opcode));
> -    TCGv_i64 xsl = cpu_vsrl(xS(ctx->opcode));
>      TCGv EA;
> +    TCGv_i64 xsh = tcg_temp_new_i64();
> +    TCGv_i64 xsl = tcg_temp_new_i64();
> +    get_cpu_vsrh(xsh, xS(ctx->opcode));
> +    get_cpu_vsrl(xsl, xS(ctx->opcode));
>  
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
> @@ -393,13 +475,17 @@ static void gen_stxvh8x(DisasContext *ctx)
>          tcg_gen_qemu_st_i64(xsl, EA, ctx->mem_idx, MO_BEQ);
>      }
>      tcg_temp_free(EA);
> +    tcg_temp_free_i64(xsh);
> +    tcg_temp_free_i64(xsl);
>  }
>  
>  static void gen_stxvb16x(DisasContext *ctx)
>  {
> -    TCGv_i64 xsh = cpu_vsrh(xS(ctx->opcode));
> -    TCGv_i64 xsl = cpu_vsrl(xS(ctx->opcode));
>      TCGv EA;
> +    TCGv_i64 xsh = tcg_temp_new_i64();
> +    TCGv_i64 xsl = tcg_temp_new_i64();
> +    get_cpu_vsrh(xsh, xS(ctx->opcode));
> +    get_cpu_vsrl(xsl, xS(ctx->opcode));
>  
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
> @@ -412,13 +498,16 @@ static void gen_stxvb16x(DisasContext *ctx)
>      tcg_gen_addi_tl(EA, EA, 8);
>      tcg_gen_qemu_st_i64(xsl, EA, ctx->mem_idx, MO_BEQ);
>      tcg_temp_free(EA);
> +    tcg_temp_free_i64(xsh);
> +    tcg_temp_free_i64(xsl);
>  }
>  
>  #define VSX_STORE_SCALAR_DS(name, operation)                      \
>  static void gen_##name(DisasContext *ctx)                         \
>  {                                                                 \
>      TCGv EA;                                                      \
> -    TCGv_i64 xth = cpu_vsrh(rD(ctx->opcode) + 32);                \
> +    TCGv_i64 xth = tcg_temp_new_i64();                            \
> +    get_cpu_vsrh(xth, rD(ctx->opcode) + 32);                      \
>                                                                    \
>      if (unlikely(!ctx->altivec_enabled)) {                        \
>          gen_exception(ctx, POWERPC_EXCP_VPU);                     \
> @@ -430,62 +519,119 @@ static void gen_##name(DisasContext *ctx)              
>            \
>      gen_qemu_##operation(ctx, xth, EA);                           \
>      /* NOTE: cpu_vsrl is undefined */                             \
>      tcg_temp_free(EA);                                            \
> +    tcg_temp_free_i64(xth);                                       \
>  }
>  
>  VSX_LOAD_SCALAR_DS(stxsd, st64_i64)
>  VSX_LOAD_SCALAR_DS(stxssp, st32fs)
>  
> -#define MV_VSRW(name, tcgop1, tcgop2, target, source)           \
> -static void gen_##name(DisasContext *ctx)                       \
> -{                                                               \
> -    if (xS(ctx->opcode) < 32) {                                 \
> -        if (unlikely(!ctx->fpu_enabled)) {                      \
> -            gen_exception(ctx, POWERPC_EXCP_FPU);               \
> -            return;                                             \
> -        }                                                       \
> -    } else {                                                    \
> -        if (unlikely(!ctx->altivec_enabled)) {                  \
> -            gen_exception(ctx, POWERPC_EXCP_VPU);               \
> -            return;                                             \
> -        }                                                       \
> -    }                                                           \
> -    TCGv_i64 tmp = tcg_temp_new_i64();                          \
> -    tcg_gen_##tcgop1(tmp, source);                              \
> -    tcg_gen_##tcgop2(target, tmp);                              \
> -    tcg_temp_free_i64(tmp);                                     \
> +static void gen_mfvsrwz(DisasContext *ctx)
> +{
> +    if (xS(ctx->opcode) < 32) {
> +        if (unlikely(!ctx->fpu_enabled)) {
> +            gen_exception(ctx, POWERPC_EXCP_FPU);
> +            return;
> +        }
> +    } else {
> +        if (unlikely(!ctx->altivec_enabled)) {
> +            gen_exception(ctx, POWERPC_EXCP_VPU);
> +            return;
> +        }
> +    }
> +    TCGv_i64 tmp = tcg_temp_new_i64();
> +    TCGv_i64 xsh = tcg_temp_new_i64();
> +    get_cpu_vsrh(xsh, xS(ctx->opcode));
> +    tcg_gen_ext32u_i64(tmp, xsh);
> +    tcg_gen_trunc_i64_tl(cpu_gpr[rA(ctx->opcode)], tmp);
> +    tcg_temp_free_i64(tmp);
>  }
>  
> +static void gen_mtvsrwa(DisasContext *ctx)
> +{
> +    if (xS(ctx->opcode) < 32) {
> +        if (unlikely(!ctx->fpu_enabled)) {
> +            gen_exception(ctx, POWERPC_EXCP_FPU);
> +            return;
> +        }
> +    } else {
> +        if (unlikely(!ctx->altivec_enabled)) {
> +            gen_exception(ctx, POWERPC_EXCP_VPU);
> +            return;
> +        }
> +    }
> +    TCGv_i64 tmp = tcg_temp_new_i64();
> +    TCGv_i64 xsh = tcg_temp_new_i64();
> +    tcg_gen_extu_tl_i64(tmp, cpu_gpr[rA(ctx->opcode)]);
> +    tcg_gen_ext32s_i64(xsh, tmp);
> +    set_cpu_vsrh(xT(ctx->opcode), xsh);
> +    tcg_temp_free_i64(tmp);
> +    tcg_temp_free_i64(xsh);
> +}
>  
> -MV_VSRW(mfvsrwz, ext32u_i64, trunc_i64_tl, cpu_gpr[rA(ctx->opcode)], \
> -        cpu_vsrh(xS(ctx->opcode)))
> -MV_VSRW(mtvsrwa, extu_tl_i64, ext32s_i64, cpu_vsrh(xT(ctx->opcode)), \
> -        cpu_gpr[rA(ctx->opcode)])
> -MV_VSRW(mtvsrwz, extu_tl_i64, ext32u_i64, cpu_vsrh(xT(ctx->opcode)), \
> -        cpu_gpr[rA(ctx->opcode)])
> +static void gen_mtvsrwz(DisasContext *ctx)
> +{
> +    if (xS(ctx->opcode) < 32) {
> +        if (unlikely(!ctx->fpu_enabled)) {
> +            gen_exception(ctx, POWERPC_EXCP_FPU);
> +            return;
> +        }
> +    } else {
> +        if (unlikely(!ctx->altivec_enabled)) {
> +            gen_exception(ctx, POWERPC_EXCP_VPU);
> +            return;
> +        }
> +    }
> +    TCGv_i64 tmp = tcg_temp_new_i64();
> +    TCGv_i64 xsh = tcg_temp_new_i64();
> +    tcg_gen_extu_tl_i64(tmp, cpu_gpr[rA(ctx->opcode)]);
> +    tcg_gen_ext32u_i64(xsh, tmp);
> +    set_cpu_vsrh(xT(ctx->opcode), xsh);
> +    tcg_temp_free_i64(tmp);
> +    tcg_temp_free_i64(xsh);
> +}
>  
>  #if defined(TARGET_PPC64)
> -#define MV_VSRD(name, target, source)                           \
> -static void gen_##name(DisasContext *ctx)                       \
> -{                                                               \
> -    if (xS(ctx->opcode) < 32) {                                 \
> -        if (unlikely(!ctx->fpu_enabled)) {                      \
> -            gen_exception(ctx, POWERPC_EXCP_FPU);               \
> -            return;                                             \
> -        }                                                       \
> -    } else {                                                    \
> -        if (unlikely(!ctx->altivec_enabled)) {                  \
> -            gen_exception(ctx, POWERPC_EXCP_VPU);               \
> -            return;                                             \
> -        }                                                       \
> -    }                                                           \
> -    tcg_gen_mov_i64(target, source);                            \
> +static void gen_mfvsrd(DisasContext *ctx)
> +{
> +    TCGv_i64 t0 = tcg_temp_new_i64();
> +    if (xS(ctx->opcode) < 32) {
> +        if (unlikely(!ctx->fpu_enabled)) {
> +            gen_exception(ctx, POWERPC_EXCP_FPU);
> +            return;
> +        }
> +    } else {
> +        if (unlikely(!ctx->altivec_enabled)) {
> +            gen_exception(ctx, POWERPC_EXCP_VPU);
> +            return;
> +        }
> +    }
> +    get_cpu_vsrh(t0, xS(ctx->opcode));
> +    tcg_gen_mov_i64(cpu_gpr[rA(ctx->opcode)], t0);
> +    tcg_temp_free_i64(t0);
>  }
>  
> -MV_VSRD(mfvsrd, cpu_gpr[rA(ctx->opcode)], cpu_vsrh(xS(ctx->opcode)))
> -MV_VSRD(mtvsrd, cpu_vsrh(xT(ctx->opcode)), cpu_gpr[rA(ctx->opcode)])
> +static void gen_mtvsrd(DisasContext *ctx)
> +{
> +    TCGv_i64 t0 = tcg_temp_new_i64();
> +    if (xS(ctx->opcode) < 32) {
> +        if (unlikely(!ctx->fpu_enabled)) {
> +            gen_exception(ctx, POWERPC_EXCP_FPU);
> +            return;
> +        }
> +    } else {
> +        if (unlikely(!ctx->altivec_enabled)) {
> +            gen_exception(ctx, POWERPC_EXCP_VPU);
> +            return;
> +        }
> +    }
> +    tcg_gen_mov_i64(t0, cpu_gpr[rA(ctx->opcode)]);
> +    set_cpu_vsrh(xT(ctx->opcode), t0);
> +    tcg_temp_free_i64(t0);
> +}
>  
>  static void gen_mfvsrld(DisasContext *ctx)
>  {
> +    TCGv_i64 t0 = tcg_temp_new_i64();
>      if (xS(ctx->opcode) < 32) {
>          if (unlikely(!ctx->vsx_enabled)) {
>              gen_exception(ctx, POWERPC_EXCP_VSXU);
> @@ -497,12 +643,14 @@ static void gen_mfvsrld(DisasContext *ctx)
>              return;
>          }
>      }
> -
> -    tcg_gen_mov_i64(cpu_gpr[rA(ctx->opcode)], cpu_vsrl(xS(ctx->opcode)));
> +    get_cpu_vsrl(t0, xS(ctx->opcode));
> +    tcg_gen_mov_i64(cpu_gpr[rA(ctx->opcode)], t0);
> +    tcg_temp_free_i64(t0);
>  }
>  
>  static void gen_mtvsrdd(DisasContext *ctx)
>  {
> +    TCGv_i64 t0 = tcg_temp_new_i64();
>      if (xT(ctx->opcode) < 32) {
>          if (unlikely(!ctx->vsx_enabled)) {
>              gen_exception(ctx, POWERPC_EXCP_VSXU);
> @@ -516,16 +664,20 @@ static void gen_mtvsrdd(DisasContext *ctx)
>      }
>  
>      if (!rA(ctx->opcode)) {
> -        tcg_gen_movi_i64(cpu_vsrh(xT(ctx->opcode)), 0);
> +        tcg_gen_movi_i64(t0, 0);
>      } else {
> -        tcg_gen_mov_i64(cpu_vsrh(xT(ctx->opcode)), cpu_gpr[rA(ctx->opcode)]);
> +        tcg_gen_mov_i64(t0, cpu_gpr[rA(ctx->opcode)]);
>      }
> +    set_cpu_vsrh(xT(ctx->opcode), t0);
>  
> -    tcg_gen_mov_i64(cpu_vsrl(xT(ctx->opcode)), cpu_gpr[rB(ctx->opcode)]);
> +    tcg_gen_mov_i64(t0, cpu_gpr[rB(ctx->opcode)]);
> +    set_cpu_vsrl(xT(ctx->opcode), t0);
> +    tcg_temp_free_i64(t0);
>  }
>  
>  static void gen_mtvsrws(DisasContext *ctx)
>  {
> +    TCGv_i64 t0 = tcg_temp_new_i64();
>      if (xT(ctx->opcode) < 32) {
>          if (unlikely(!ctx->vsx_enabled)) {
>              gen_exception(ctx, POWERPC_EXCP_VSXU);
> @@ -538,55 +690,60 @@ static void gen_mtvsrws(DisasContext *ctx)
>          }
>      }
>  
> -    tcg_gen_deposit_i64(cpu_vsrl(xT(ctx->opcode)), cpu_gpr[rA(ctx->opcode)],
> +    tcg_gen_deposit_i64(t0, cpu_gpr[rA(ctx->opcode)],
>                          cpu_gpr[rA(ctx->opcode)], 32, 32);
> -    tcg_gen_mov_i64(cpu_vsrh(xT(ctx->opcode)), cpu_vsrl(xT(ctx->opcode)));
> +    set_cpu_vsrl(xT(ctx->opcode), t0);
> +    set_cpu_vsrh(xT(ctx->opcode), t0);
> +    tcg_temp_free_i64(t0);
>  }
>  
>  #endif
>  
>  static void gen_xxpermdi(DisasContext *ctx)
>  {
> +    TCGv_i64 xh, xl;
> +
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
>          return;
>      }
>  
> +    xh = tcg_temp_new_i64();
> +    xl = tcg_temp_new_i64();
> +
>      if (unlikely((xT(ctx->opcode) == xA(ctx->opcode)) ||
>                   (xT(ctx->opcode) == xB(ctx->opcode)))) {
> -        TCGv_i64 xh, xl;
> -
> -        xh = tcg_temp_new_i64();
> -        xl = tcg_temp_new_i64();
> -
>          if ((DM(ctx->opcode) & 2) == 0) {
> -            tcg_gen_mov_i64(xh, cpu_vsrh(xA(ctx->opcode)));
> +            get_cpu_vsrh(xh, xA(ctx->opcode));
>          } else {
> -            tcg_gen_mov_i64(xh, cpu_vsrl(xA(ctx->opcode)));
> +            get_cpu_vsrl(xh, xA(ctx->opcode));
>          }
>          if ((DM(ctx->opcode) & 1) == 0) {
> -            tcg_gen_mov_i64(xl, cpu_vsrh(xB(ctx->opcode)));
> +            get_cpu_vsrh(xl, xB(ctx->opcode));
>          } else {
> -            tcg_gen_mov_i64(xl, cpu_vsrl(xB(ctx->opcode)));
> +            get_cpu_vsrl(xl, xB(ctx->opcode));
>          }
>  
> -        tcg_gen_mov_i64(cpu_vsrh(xT(ctx->opcode)), xh);
> -        tcg_gen_mov_i64(cpu_vsrl(xT(ctx->opcode)), xl);
> -
> -        tcg_temp_free_i64(xh);
> -        tcg_temp_free_i64(xl);
> +        set_cpu_vsrh(xT(ctx->opcode), xh);
> +        set_cpu_vsrl(xT(ctx->opcode), xl);
>      } else {
>          if ((DM(ctx->opcode) & 2) == 0) {
> -            tcg_gen_mov_i64(cpu_vsrh(xT(ctx->opcode)), 
> cpu_vsrh(xA(ctx->opcode)));
> +            get_cpu_vsrh(xh, xA(ctx->opcode));
> +            set_cpu_vsrh(xT(ctx->opcode), xh);
>          } else {
> -            tcg_gen_mov_i64(cpu_vsrh(xT(ctx->opcode)), 
> cpu_vsrl(xA(ctx->opcode)));
> +            get_cpu_vsrl(xh, xA(ctx->opcode));
> +            set_cpu_vsrh(xT(ctx->opcode), xh);
>          }
>          if ((DM(ctx->opcode) & 1) == 0) {
> -            tcg_gen_mov_i64(cpu_vsrl(xT(ctx->opcode)), 
> cpu_vsrh(xB(ctx->opcode)));
> +            get_cpu_vsrh(xl, xB(ctx->opcode));
> +            set_cpu_vsrl(xT(ctx->opcode), xl);
>          } else {
> -            tcg_gen_mov_i64(cpu_vsrl(xT(ctx->opcode)), 
> cpu_vsrl(xB(ctx->opcode)));
> +            get_cpu_vsrl(xl, xB(ctx->opcode));
> +            set_cpu_vsrl(xT(ctx->opcode), xl);
>          }
>      }
> +    tcg_temp_free_i64(xh);
> +    tcg_temp_free_i64(xl);
>  }
>  
>  #define OP_ABS 1
> @@ -606,7 +763,7 @@ static void glue(gen_, name)(DisasContext * ctx)          
>         \
>          }                                                         \
>          xb = tcg_temp_new_i64();                                  \
>          sgm = tcg_temp_new_i64();                                 \
> -        tcg_gen_mov_i64(xb, cpu_vsrh(xB(ctx->opcode)));           \
> +        get_cpu_vsrh(xb, xB(ctx->opcode));                        \
>          tcg_gen_movi_i64(sgm, sgn_mask);                          \
>          switch (op) {                                             \
>              case OP_ABS: {                                        \
> @@ -623,7 +780,7 @@ static void glue(gen_, name)(DisasContext * ctx)          
>         \
>              }                                                     \
>              case OP_CPSGN: {                                      \
>                  TCGv_i64 xa = tcg_temp_new_i64();                 \
> -                tcg_gen_mov_i64(xa, cpu_vsrh(xA(ctx->opcode)));   \
> +                get_cpu_vsrh(xa, xA(ctx->opcode));                \
>                  tcg_gen_and_i64(xa, xa, sgm);                     \
>                  tcg_gen_andc_i64(xb, xb, sgm);                    \
>                  tcg_gen_or_i64(xb, xb, xa);                       \
> @@ -631,7 +788,7 @@ static void glue(gen_, name)(DisasContext * ctx)          
>         \
>                  break;                                            \
>              }                                                     \
>          }                                                         \
> -        tcg_gen_mov_i64(cpu_vsrh(xT(ctx->opcode)), xb);           \
> +        set_cpu_vsrh(xT(ctx->opcode), xb);                        \
>          tcg_temp_free_i64(xb);                                    \
>          tcg_temp_free_i64(sgm);                                   \
>      }
> @@ -647,7 +804,7 @@ static void glue(gen_, name)(DisasContext *ctx)           
>         \
>      int xa;                                                       \
>      int xt = rD(ctx->opcode) + 32;                                \
>      int xb = rB(ctx->opcode) + 32;                                \
> -    TCGv_i64 xah, xbh, xbl, sgm;                                  \
> +    TCGv_i64 xah, xbh, xbl, sgm, tmp;                             \
>                                                                    \
>      if (unlikely(!ctx->vsx_enabled)) {                            \
>          gen_exception(ctx, POWERPC_EXCP_VSXU);                    \
> @@ -656,8 +813,9 @@ static void glue(gen_, name)(DisasContext *ctx)           
>         \
>      xbh = tcg_temp_new_i64();                                     \
>      xbl = tcg_temp_new_i64();                                     \
>      sgm = tcg_temp_new_i64();                                     \
> -    tcg_gen_mov_i64(xbh, cpu_vsrh(xb));                           \
> -    tcg_gen_mov_i64(xbl, cpu_vsrl(xb));                           \
> +    tmp = tcg_temp_new_i64();                                     \
> +    get_cpu_vsrh(xbh, xb);                                        \
> +    get_cpu_vsrl(xbl, xb);                                        \
>      tcg_gen_movi_i64(sgm, sgn_mask);                              \
>      switch (op) {                                                 \
>      case OP_ABS:                                                  \
> @@ -672,17 +830,19 @@ static void glue(gen_, name)(DisasContext *ctx)         
>           \
>      case OP_CPSGN:                                                \
>          xah = tcg_temp_new_i64();                                 \
>          xa = rA(ctx->opcode) + 32;                                \
> -        tcg_gen_and_i64(xah, cpu_vsrh(xa), sgm);                  \
> +        get_cpu_vsrh(tmp, xa);                                    \
> +        tcg_gen_and_i64(xah, tmp, sgm);                           \
>          tcg_gen_andc_i64(xbh, xbh, sgm);                          \
>          tcg_gen_or_i64(xbh, xbh, xah);                            \
>          tcg_temp_free_i64(xah);                                   \
>          break;                                                    \
>      }                                                             \
> -    tcg_gen_mov_i64(cpu_vsrh(xt), xbh);                           \
> -    tcg_gen_mov_i64(cpu_vsrl(xt), xbl);                           \
> +    set_cpu_vsrh(xt, xbh);                                        \
> +    set_cpu_vsrl(xt, xbl);                                        \
>      tcg_temp_free_i64(xbl);                                       \
>      tcg_temp_free_i64(xbh);                                       \
>      tcg_temp_free_i64(sgm);                                       \
> +    tcg_temp_free_i64(tmp);                                       \
>  }
>  
>  VSX_SCALAR_MOVE_QP(xsabsqp, OP_ABS, SGN_MASK_DP)
> @@ -701,8 +861,8 @@ static void glue(gen_, name)(DisasContext * ctx)          
>        \
>          xbh = tcg_temp_new_i64();                                \
>          xbl = tcg_temp_new_i64();                                \
>          sgm = tcg_temp_new_i64();                                \
> -        tcg_gen_mov_i64(xbh, cpu_vsrh(xB(ctx->opcode)));         \
> -        tcg_gen_mov_i64(xbl, cpu_vsrl(xB(ctx->opcode)));         \
> +        set_cpu_vsrh(xB(ctx->opcode), xbh);                      \
> +        set_cpu_vsrl(xB(ctx->opcode), xbl);                      \
>          tcg_gen_movi_i64(sgm, sgn_mask);                         \
>          switch (op) {                                            \
>              case OP_ABS: {                                       \
> @@ -723,8 +883,8 @@ static void glue(gen_, name)(DisasContext * ctx)          
>        \
>              case OP_CPSGN: {                                     \
>                  TCGv_i64 xah = tcg_temp_new_i64();               \
>                  TCGv_i64 xal = tcg_temp_new_i64();               \
> -                tcg_gen_mov_i64(xah, cpu_vsrh(xA(ctx->opcode))); \
> -                tcg_gen_mov_i64(xal, cpu_vsrl(xA(ctx->opcode))); \
> +                get_cpu_vsrh(xah, xA(ctx->opcode));              \
> +                get_cpu_vsrl(xal, xA(ctx->opcode));              \
>                  tcg_gen_and_i64(xah, xah, sgm);                  \
>                  tcg_gen_and_i64(xal, xal, sgm);                  \
>                  tcg_gen_andc_i64(xbh, xbh, sgm);                 \
> @@ -736,8 +896,8 @@ static void glue(gen_, name)(DisasContext * ctx)          
>        \
>                  break;                                           \
>              }                                                    \
>          }                                                        \
> -        tcg_gen_mov_i64(cpu_vsrh(xT(ctx->opcode)), xbh);         \
> -        tcg_gen_mov_i64(cpu_vsrl(xT(ctx->opcode)), xbl);         \
> +        set_cpu_vsrh(xT(ctx->opcode), xbh);                      \
> +        set_cpu_vsrl(xT(ctx->opcode), xbl);                      \
>          tcg_temp_free_i64(xbh);                                  \
>          tcg_temp_free_i64(xbl);                                  \
>          tcg_temp_free_i64(sgm);                                  \
> @@ -768,12 +928,17 @@ static void gen_##name(DisasContext * ctx)              
>                       \
>  #define GEN_VSX_HELPER_XT_XB_ENV(name, op1, op2, inval, type) \
>  static void gen_##name(DisasContext * ctx)                    \
>  {                                                             \
> +    TCGv_i64 t0 = tcg_temp_new_i64();                         \
> +    TCGv_i64 t1 = tcg_temp_new_i64();                         \
>      if (unlikely(!ctx->vsx_enabled)) {                        \
>          gen_exception(ctx, POWERPC_EXCP_VSXU);                \
>          return;                                               \
>      }                                                         \
> -    gen_helper_##name(cpu_vsrh(xT(ctx->opcode)), cpu_env,     \
> -                      cpu_vsrh(xB(ctx->opcode)));             \
> +    get_cpu_vsrh(t0, xB(ctx->opcode));                        \
> +    gen_helper_##name(t1, cpu_env, t0);                       \
> +    set_cpu_vsrh(xT(ctx->opcode), t1);                        \
> +    tcg_temp_free_i64(t0);                                    \
> +    tcg_temp_free_i64(t1);                                    \
>  }
>  
>  GEN_VSX_HELPER_2(xsadddp, 0x00, 0x04, 0, PPC2_VSX)
> @@ -949,10 +1114,13 @@ GEN_VSX_HELPER_2(xxpermr, 0x08, 0x07, 0, PPC2_ISA300)
>  
>  static void gen_xxbrd(DisasContext *ctx)
>  {
> -    TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode));
> -    TCGv_i64 xtl = cpu_vsrl(xT(ctx->opcode));
> -    TCGv_i64 xbh = cpu_vsrh(xB(ctx->opcode));
> -    TCGv_i64 xbl = cpu_vsrl(xB(ctx->opcode));
> +    TCGv_i64 xth = tcg_temp_new_i64();
> +    TCGv_i64 xtl = tcg_temp_new_i64();
> +
> +    TCGv_i64 xbh = tcg_temp_new_i64();
> +    TCGv_i64 xbl = tcg_temp_new_i64();
> +    get_cpu_vsrh(xbh, xB(ctx->opcode));
> +    get_cpu_vsrl(xbl, xB(ctx->opcode));
>  
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
> @@ -960,28 +1128,49 @@ static void gen_xxbrd(DisasContext *ctx)
>      }
>      tcg_gen_bswap64_i64(xth, xbh);
>      tcg_gen_bswap64_i64(xtl, xbl);
> +    set_cpu_vsrh(xT(ctx->opcode), xth);
> +    set_cpu_vsrl(xT(ctx->opcode), xtl);
> +
> +    tcg_temp_free_i64(xth);
> +    tcg_temp_free_i64(xtl);
> +    tcg_temp_free_i64(xbh);
> +    tcg_temp_free_i64(xbl);
>  }
>  
>  static void gen_xxbrh(DisasContext *ctx)
>  {
> -    TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode));
> -    TCGv_i64 xtl = cpu_vsrl(xT(ctx->opcode));
> -    TCGv_i64 xbh = cpu_vsrh(xB(ctx->opcode));
> -    TCGv_i64 xbl = cpu_vsrl(xB(ctx->opcode));
> +    TCGv_i64 xth = tcg_temp_new_i64();
> +    TCGv_i64 xtl = tcg_temp_new_i64();
> +
> +    TCGv_i64 xbh = tcg_temp_new_i64();
> +    TCGv_i64 xbl = tcg_temp_new_i64();
> +    get_cpu_vsrh(xbh, xB(ctx->opcode));
> +    get_cpu_vsrl(xbl, xB(ctx->opcode));
>  
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
>          return;
>      }
>      gen_bswap16x8(xth, xtl, xbh, xbl);
> +    set_cpu_vsrh(xT(ctx->opcode), xth);
> +    set_cpu_vsrl(xT(ctx->opcode), xtl);
> +
> +    tcg_temp_free_i64(xth);
> +    tcg_temp_free_i64(xtl);
> +    tcg_temp_free_i64(xbh);
> +    tcg_temp_free_i64(xbl);
>  }
>  
>  static void gen_xxbrq(DisasContext *ctx)
>  {
> -    TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode));
> -    TCGv_i64 xtl = cpu_vsrl(xT(ctx->opcode));
> -    TCGv_i64 xbh = cpu_vsrh(xB(ctx->opcode));
> -    TCGv_i64 xbl = cpu_vsrl(xB(ctx->opcode));
> +    TCGv_i64 xth = tcg_temp_new_i64();
> +    TCGv_i64 xtl = tcg_temp_new_i64();
> +
> +    TCGv_i64 xbh = tcg_temp_new_i64();
> +    TCGv_i64 xbl = tcg_temp_new_i64();
> +    get_cpu_vsrh(xbh, xB(ctx->opcode));
> +    get_cpu_vsrl(xbl, xB(ctx->opcode));
> +
>      TCGv_i64 t0 = tcg_temp_new_i64();
>  
>      if (unlikely(!ctx->vsx_enabled)) {
> @@ -990,35 +1179,65 @@ static void gen_xxbrq(DisasContext *ctx)
>      }
>      tcg_gen_bswap64_i64(t0, xbl);
>      tcg_gen_bswap64_i64(xtl, xbh);
> +    set_cpu_vsrl(xT(ctx->opcode), xtl);
>      tcg_gen_mov_i64(xth, t0);
> +    set_cpu_vsrl(xT(ctx->opcode), xth);
> +
>      tcg_temp_free_i64(t0);
> +    tcg_temp_free_i64(xth);
> +    tcg_temp_free_i64(xtl);
> +    tcg_temp_free_i64(xbh);
> +    tcg_temp_free_i64(xbl);
>  }
>  
>  static void gen_xxbrw(DisasContext *ctx)
>  {
> -    TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode));
> -    TCGv_i64 xtl = cpu_vsrl(xT(ctx->opcode));
> -    TCGv_i64 xbh = cpu_vsrh(xB(ctx->opcode));
> -    TCGv_i64 xbl = cpu_vsrl(xB(ctx->opcode));
> +    TCGv_i64 xth = tcg_temp_new_i64();
> +    TCGv_i64 xtl = tcg_temp_new_i64();
> +
> +    TCGv_i64 xbh = tcg_temp_new_i64();
> +    TCGv_i64 xbl = tcg_temp_new_i64();
> +    get_cpu_vsrh(xbh, xB(ctx->opcode));
> +    get_cpu_vsrl(xbl, xB(ctx->opcode));
>  
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
>          return;
>      }
>      gen_bswap32x4(xth, xtl, xbh, xbl);
> +    set_cpu_vsrl(xT(ctx->opcode), xth);
> +    set_cpu_vsrl(xT(ctx->opcode), xtl);
> +
> +    tcg_temp_free_i64(xth);
> +    tcg_temp_free_i64(xtl);
> +    tcg_temp_free_i64(xbh);
> +    tcg_temp_free_i64(xbl);
>  }
>  
>  #define VSX_LOGICAL(name, tcg_op)                                    \
>  static void glue(gen_, name)(DisasContext * ctx)                     \
>      {                                                                \
> +        TCGv_i64 t0;                                                 \
> +        TCGv_i64 t1;                                                 \
> +        TCGv_i64 t2;                                                 \
>          if (unlikely(!ctx->vsx_enabled)) {                           \
>              gen_exception(ctx, POWERPC_EXCP_VSXU);                   \
>              return;                                                  \
>          }                                                            \
> -        tcg_op(cpu_vsrh(xT(ctx->opcode)), cpu_vsrh(xA(ctx->opcode)), \
> -            cpu_vsrh(xB(ctx->opcode)));                              \
> -        tcg_op(cpu_vsrl(xT(ctx->opcode)), cpu_vsrl(xA(ctx->opcode)), \
> -            cpu_vsrl(xB(ctx->opcode)));                              \
> +        t0 = tcg_temp_new_i64();                                     \
> +        t1 = tcg_temp_new_i64();                                     \
> +        t2 = tcg_temp_new_i64();                                     \
> +        get_cpu_vsrh(t0, xA(ctx->opcode));                           \
> +        get_cpu_vsrh(t1, xB(ctx->opcode));                           \
> +        tcg_op(t2, t0, t1);                                          \
> +        set_cpu_vsrh(xT(ctx->opcode), t2);                           \
> +        get_cpu_vsrl(t0, xA(ctx->opcode));                           \
> +        get_cpu_vsrl(t1, xB(ctx->opcode));                           \
> +        tcg_op(t2, t0, t1);                                          \
> +        set_cpu_vsrl(xT(ctx->opcode), t2);                           \
> +        tcg_temp_free_i64(t0);                                       \
> +        tcg_temp_free_i64(t1);                                       \
> +        tcg_temp_free_i64(t2);                                       \
>      }
>  
>  VSX_LOGICAL(xxland, tcg_gen_and_i64)
> @@ -1033,7 +1252,7 @@ VSX_LOGICAL(xxlorc, tcg_gen_orc_i64)
>  #define VSX_XXMRG(name, high)                               \
>  static void glue(gen_, name)(DisasContext * ctx)            \
>      {                                                       \
> -        TCGv_i64 a0, a1, b0, b1;                            \
> +        TCGv_i64 a0, a1, b0, b1, tmp;                       \
>          if (unlikely(!ctx->vsx_enabled)) {                  \
>              gen_exception(ctx, POWERPC_EXCP_VSXU);          \
>              return;                                         \
> @@ -1042,27 +1261,29 @@ static void glue(gen_, name)(DisasContext * ctx)      
>       \
>          a1 = tcg_temp_new_i64();                            \
>          b0 = tcg_temp_new_i64();                            \
>          b1 = tcg_temp_new_i64();                            \
> +        tmp = tcg_temp_new_i64();                           \
>          if (high) {                                         \
> -            tcg_gen_mov_i64(a0, cpu_vsrh(xA(ctx->opcode))); \
> -            tcg_gen_mov_i64(a1, cpu_vsrh(xA(ctx->opcode))); \
> -            tcg_gen_mov_i64(b0, cpu_vsrh(xB(ctx->opcode))); \
> -            tcg_gen_mov_i64(b1, cpu_vsrh(xB(ctx->opcode))); \
> +            get_cpu_vsrh(a0, xA(ctx->opcode));              \
> +            get_cpu_vsrh(a1, xA(ctx->opcode));              \
> +            get_cpu_vsrh(b0, xB(ctx->opcode));              \
> +            get_cpu_vsrh(b1, xB(ctx->opcode));              \
>          } else {                                            \
> -            tcg_gen_mov_i64(a0, cpu_vsrl(xA(ctx->opcode))); \
> -            tcg_gen_mov_i64(a1, cpu_vsrl(xA(ctx->opcode))); \
> -            tcg_gen_mov_i64(b0, cpu_vsrl(xB(ctx->opcode))); \
> -            tcg_gen_mov_i64(b1, cpu_vsrl(xB(ctx->opcode))); \
> +            get_cpu_vsrl(a0, xA(ctx->opcode));              \
> +            get_cpu_vsrl(a1, xA(ctx->opcode));              \
> +            get_cpu_vsrl(b0, xB(ctx->opcode));              \
> +            get_cpu_vsrl(b1, xB(ctx->opcode));              \
>          }                                                   \
>          tcg_gen_shri_i64(a0, a0, 32);                       \
>          tcg_gen_shri_i64(b0, b0, 32);                       \
> -        tcg_gen_deposit_i64(cpu_vsrh(xT(ctx->opcode)),      \
> -                            b0, a0, 32, 32);                \
> -        tcg_gen_deposit_i64(cpu_vsrl(xT(ctx->opcode)),      \
> -                            b1, a1, 32, 32);                \
> +        tcg_gen_deposit_i64(tmp, b0, a0, 32, 32);           \
> +        set_cpu_vsrh(xT(ctx->opcode), tmp);                 \
> +        tcg_gen_deposit_i64(tmp, b1, a1, 32, 32);           \
> +        set_cpu_vsrl(xT(ctx->opcode), tmp);                 \
>          tcg_temp_free_i64(a0);                              \
>          tcg_temp_free_i64(a1);                              \
>          tcg_temp_free_i64(b0);                              \
>          tcg_temp_free_i64(b1);                              \
> +        tcg_temp_free_i64(tmp);                             \
>      }
>  
>  VSX_XXMRG(xxmrghw, 1)
> @@ -1070,7 +1291,7 @@ VSX_XXMRG(xxmrglw, 0)
>  
>  static void gen_xxsel(DisasContext * ctx)
>  {
> -    TCGv_i64 a, b, c;
> +    TCGv_i64 a, b, c, tmp;
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
>          return;
> @@ -1078,34 +1299,43 @@ static void gen_xxsel(DisasContext * ctx)
>      a = tcg_temp_new_i64();
>      b = tcg_temp_new_i64();
>      c = tcg_temp_new_i64();
> +    tmp = tcg_temp_new_i64();
>  
> -    tcg_gen_mov_i64(a, cpu_vsrh(xA(ctx->opcode)));
> -    tcg_gen_mov_i64(b, cpu_vsrh(xB(ctx->opcode)));
> -    tcg_gen_mov_i64(c, cpu_vsrh(xC(ctx->opcode)));
> +    get_cpu_vsrh(a, xA(ctx->opcode));
> +    get_cpu_vsrh(b, xB(ctx->opcode));
> +    get_cpu_vsrh(c, xC(ctx->opcode));
>  
>      tcg_gen_and_i64(b, b, c);
>      tcg_gen_andc_i64(a, a, c);
> -    tcg_gen_or_i64(cpu_vsrh(xT(ctx->opcode)), a, b);
> +    tcg_gen_or_i64(tmp, a, b);
> +    set_cpu_vsrh(xT(ctx->opcode), tmp);
>  
> -    tcg_gen_mov_i64(a, cpu_vsrl(xA(ctx->opcode)));
> -    tcg_gen_mov_i64(b, cpu_vsrl(xB(ctx->opcode)));
> -    tcg_gen_mov_i64(c, cpu_vsrl(xC(ctx->opcode)));
> +    get_cpu_vsrl(a, xA(ctx->opcode));
> +    get_cpu_vsrl(b, xB(ctx->opcode));
> +    get_cpu_vsrl(c, xC(ctx->opcode));
>  
>      tcg_gen_and_i64(b, b, c);
>      tcg_gen_andc_i64(a, a, c);
> -    tcg_gen_or_i64(cpu_vsrl(xT(ctx->opcode)), a, b);
> +    tcg_gen_or_i64(tmp, a, b);
> +    set_cpu_vsrl(xT(ctx->opcode), tmp);
>  
>      tcg_temp_free_i64(a);
>      tcg_temp_free_i64(b);
>      tcg_temp_free_i64(c);
> +    tcg_temp_free_i64(tmp);
>  }
>  
>  static void gen_xxspltw(DisasContext *ctx)
>  {
>      TCGv_i64 b, b2;
> -    TCGv_i64 vsr = (UIM(ctx->opcode) & 2) ?
> -                   cpu_vsrl(xB(ctx->opcode)) :
> -                   cpu_vsrh(xB(ctx->opcode));
> +    TCGv_i64 vsr;
> +
> +    vsr = tcg_temp_new_i64();
> +    if (UIM(ctx->opcode) & 2) {
> +        get_cpu_vsrl(vsr, xB(ctx->opcode));
> +    } else {
> +        get_cpu_vsrh(vsr, xB(ctx->opcode));
> +    }
>  
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
> @@ -1122,9 +1352,11 @@ static void gen_xxspltw(DisasContext *ctx)
>      }
>  
>      tcg_gen_shli_i64(b2, b, 32);
> -    tcg_gen_or_i64(cpu_vsrh(xT(ctx->opcode)), b, b2);
> -    tcg_gen_mov_i64(cpu_vsrl(xT(ctx->opcode)), cpu_vsrh(xT(ctx->opcode)));
> +    tcg_gen_or_i64(vsr, b, b2);
> +    set_cpu_vsrh(xT(ctx->opcode), vsr);
> +    set_cpu_vsrl(xT(ctx->opcode), vsr);
>  
> +    tcg_temp_free_i64(vsr);
>      tcg_temp_free_i64(b);
>      tcg_temp_free_i64(b2);
>  }
> @@ -1134,6 +1366,7 @@ static void gen_xxspltw(DisasContext *ctx)
>  static void gen_xxspltib(DisasContext *ctx)
>  {
>      unsigned char uim8 = IMM8(ctx->opcode);
> +    TCGv_i64 vsr = tcg_temp_new_i64();
>      if (xS(ctx->opcode) < 32) {
>          if (unlikely(!ctx->altivec_enabled)) {
>              gen_exception(ctx, POWERPC_EXCP_VPU);
> @@ -1145,8 +1378,10 @@ static void gen_xxspltib(DisasContext *ctx)
>              return;
>          }
>      }
> -    tcg_gen_movi_i64(cpu_vsrh(xT(ctx->opcode)), pattern(uim8));
> -    tcg_gen_movi_i64(cpu_vsrl(xT(ctx->opcode)), pattern(uim8));
> +    tcg_gen_movi_i64(vsr, pattern(uim8));
> +    set_cpu_vsrh(xT(ctx->opcode), vsr);
> +    set_cpu_vsrl(xT(ctx->opcode), vsr);
> +    tcg_temp_free_i64(vsr);
>  }
>  
>  static void gen_xxsldwi(DisasContext *ctx)
> @@ -1161,40 +1396,40 @@ static void gen_xxsldwi(DisasContext *ctx)
>  
>      switch (SHW(ctx->opcode)) {
>          case 0: {
> -            tcg_gen_mov_i64(xth, cpu_vsrh(xA(ctx->opcode)));
> -            tcg_gen_mov_i64(xtl, cpu_vsrl(xA(ctx->opcode)));
> +            get_cpu_vsrh(xth, xA(ctx->opcode));
> +            get_cpu_vsrl(xtl, xA(ctx->opcode));
>              break;
>          }
>          case 1: {
>              TCGv_i64 t0 = tcg_temp_new_i64();
> -            tcg_gen_mov_i64(xth, cpu_vsrh(xA(ctx->opcode)));
> +            get_cpu_vsrh(xth, xA(ctx->opcode));
>              tcg_gen_shli_i64(xth, xth, 32);
> -            tcg_gen_mov_i64(t0, cpu_vsrl(xA(ctx->opcode)));
> +            get_cpu_vsrl(t0, xA(ctx->opcode));
>              tcg_gen_shri_i64(t0, t0, 32);
>              tcg_gen_or_i64(xth, xth, t0);
> -            tcg_gen_mov_i64(xtl, cpu_vsrl(xA(ctx->opcode)));
> +            get_cpu_vsrl(xtl, xA(ctx->opcode));
>              tcg_gen_shli_i64(xtl, xtl, 32);
> -            tcg_gen_mov_i64(t0, cpu_vsrh(xB(ctx->opcode)));
> +            get_cpu_vsrh(t0, xB(ctx->opcode));
>              tcg_gen_shri_i64(t0, t0, 32);
>              tcg_gen_or_i64(xtl, xtl, t0);
>              tcg_temp_free_i64(t0);
>              break;
>          }
>          case 2: {
> -            tcg_gen_mov_i64(xth, cpu_vsrl(xA(ctx->opcode)));
> -            tcg_gen_mov_i64(xtl, cpu_vsrh(xB(ctx->opcode)));
> +            get_cpu_vsrl(xth, xA(ctx->opcode));
> +            get_cpu_vsrh(xtl, xB(ctx->opcode));
>              break;
>          }
>          case 3: {
>              TCGv_i64 t0 = tcg_temp_new_i64();
> -            tcg_gen_mov_i64(xth, cpu_vsrl(xA(ctx->opcode)));
> +            get_cpu_vsrl(xth, xA(ctx->opcode));
>              tcg_gen_shli_i64(xth, xth, 32);
> -            tcg_gen_mov_i64(t0, cpu_vsrh(xB(ctx->opcode)));
> +            get_cpu_vsrh(t0, xB(ctx->opcode));
>              tcg_gen_shri_i64(t0, t0, 32);
>              tcg_gen_or_i64(xth, xth, t0);
> -            tcg_gen_mov_i64(xtl, cpu_vsrh(xB(ctx->opcode)));
> +            get_cpu_vsrh(xtl, xB(ctx->opcode));
>              tcg_gen_shli_i64(xtl, xtl, 32);
> -            tcg_gen_mov_i64(t0, cpu_vsrl(xB(ctx->opcode)));
> +            get_cpu_vsrl(t0, xB(ctx->opcode));
>              tcg_gen_shri_i64(t0, t0, 32);
>              tcg_gen_or_i64(xtl, xtl, t0);
>              tcg_temp_free_i64(t0);
> @@ -1202,8 +1437,8 @@ static void gen_xxsldwi(DisasContext *ctx)
>          }
>      }
>  
> -    tcg_gen_mov_i64(cpu_vsrh(xT(ctx->opcode)), xth);
> -    tcg_gen_mov_i64(cpu_vsrl(xT(ctx->opcode)), xtl);
> +    set_cpu_vsrh(xT(ctx->opcode), xth);
> +    set_cpu_vsrl(xT(ctx->opcode), xtl);
>  
>      tcg_temp_free_i64(xth);
>      tcg_temp_free_i64(xtl);
> @@ -1214,6 +1449,7 @@ static void gen_##name(DisasContext *ctx)               
>         \
>  {                                                               \
>      TCGv xt, xb;                                                \
>      TCGv_i32 t0 = tcg_temp_new_i32();                           \
> +    TCGv_i64 t1 = tcg_temp_new_i64();                           \
>      uint8_t uimm = UIMM4(ctx->opcode);                          \
>                                                                  \
>      if (unlikely(!ctx->vsx_enabled)) {                          \
> @@ -1226,8 +1462,9 @@ static void gen_##name(DisasContext *ctx)               
>         \
>       * uimm > 12 handle as per hardware in helper               \
>       */                                                         \
>      if (uimm > 15) {                                            \
> -        tcg_gen_movi_i64(cpu_vsrh(xT(ctx->opcode)), 0);         \
> -        tcg_gen_movi_i64(cpu_vsrl(xT(ctx->opcode)), 0);         \
> +        tcg_gen_movi_i64(t1, 0);                                \
> +        set_cpu_vsrh(xT(ctx->opcode), t1);                      \
> +        set_cpu_vsrl(xT(ctx->opcode), t1);                      \
>          return;                                                 \
>      }                                                           \
>      tcg_gen_movi_i32(t0, uimm);                                 \
> @@ -1235,6 +1472,7 @@ static void gen_##name(DisasContext *ctx)               
>         \
>      tcg_temp_free(xb);                                          \
>      tcg_temp_free(xt);                                          \
>      tcg_temp_free_i32(t0);                                      \
> +    tcg_temp_free_i64(t1);                                      \
>  }
>  
>  VSX_EXTRACT_INSERT(xxextractuw)
> @@ -1244,30 +1482,41 @@ VSX_EXTRACT_INSERT(xxinsertw)
>  static void gen_xsxexpdp(DisasContext *ctx)
>  {
>      TCGv rt = cpu_gpr[rD(ctx->opcode)];
> +    TCGv_i64 t0 = tcg_temp_new_i64();
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
>          return;
>      }
> -    tcg_gen_extract_i64(rt, cpu_vsrh(xB(ctx->opcode)), 52, 11);
> +    get_cpu_vsrh(t0, xB(ctx->opcode));
> +    tcg_gen_extract_i64(rt, t0, 52, 11);
> +    tcg_temp_free_i64(t0);
>  }
>  
>  static void gen_xsxexpqp(DisasContext *ctx)
>  {
> -    TCGv_i64 xth = cpu_vsrh(rD(ctx->opcode) + 32);
> -    TCGv_i64 xtl = cpu_vsrl(rD(ctx->opcode) + 32);
> -    TCGv_i64 xbh = cpu_vsrh(rB(ctx->opcode) + 32);
> +    TCGv_i64 xth = tcg_temp_new_i64();
> +    TCGv_i64 xtl = tcg_temp_new_i64();
> +
> +    TCGv_i64 xbh = tcg_temp_new_i64();
> +    get_cpu_vsrh(xbh, rB(ctx->opcode) + 32);
>  
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
>          return;
>      }
>      tcg_gen_extract_i64(xth, xbh, 48, 15);
> +    set_cpu_vsrh(rD(ctx->opcode) + 32, xth);
>      tcg_gen_movi_i64(xtl, 0);
> +    set_cpu_vsrl(rD(ctx->opcode) + 32, xtl);
> +
> +    tcg_temp_free_i64(xbh);
> +    tcg_temp_free_i64(xth);
> +    tcg_temp_free_i64(xtl);
>  }
>  
>  static void gen_xsiexpdp(DisasContext *ctx)
>  {
> -    TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode));
> +    TCGv_i64 xth;
>      TCGv ra = cpu_gpr[rA(ctx->opcode)];
>      TCGv rb = cpu_gpr[rB(ctx->opcode)];
>      TCGv_i64 t0;
> @@ -1277,21 +1526,30 @@ static void gen_xsiexpdp(DisasContext *ctx)
>          return;
>      }
>      t0 = tcg_temp_new_i64();
> +    xth = tcg_temp_new_i64();
>      tcg_gen_andi_i64(xth, ra, 0x800FFFFFFFFFFFFF);
>      tcg_gen_andi_i64(t0, rb, 0x7FF);
>      tcg_gen_shli_i64(t0, t0, 52);
>      tcg_gen_or_i64(xth, xth, t0);
> +    set_cpu_vsrh(xT(ctx->opcode), xth);
>      /* dword[1] is undefined */
>      tcg_temp_free_i64(t0);
> +    tcg_temp_free_i64(xth);
>  }
>  
>  static void gen_xsiexpqp(DisasContext *ctx)
>  {
> -    TCGv_i64 xth = cpu_vsrh(rD(ctx->opcode) + 32);
> -    TCGv_i64 xtl = cpu_vsrl(rD(ctx->opcode) + 32);
> -    TCGv_i64 xah = cpu_vsrh(rA(ctx->opcode) + 32);
> -    TCGv_i64 xal = cpu_vsrl(rA(ctx->opcode) + 32);
> -    TCGv_i64 xbh = cpu_vsrh(rB(ctx->opcode) + 32);
> +    TCGv_i64 xth = tcg_temp_new_i64();
> +    TCGv_i64 xtl = tcg_temp_new_i64();
> +
> +    TCGv_i64 xah = tcg_temp_new_i64();
> +    TCGv_i64 xal = tcg_temp_new_i64();
> +    get_cpu_vsrh(xah, rA(ctx->opcode) + 32);
> +    get_cpu_vsrl(xal, rA(ctx->opcode) + 32);
> +
> +    TCGv_i64 xbh = tcg_temp_new_i64();
> +    get_cpu_vsrh(xbh, rB(ctx->opcode) + 32);
> +
>      TCGv_i64 t0;
>  
>      if (unlikely(!ctx->vsx_enabled)) {
> @@ -1303,14 +1561,22 @@ static void gen_xsiexpqp(DisasContext *ctx)
>      tcg_gen_andi_i64(t0, xbh, 0x7FFF);
>      tcg_gen_shli_i64(t0, t0, 48);
>      tcg_gen_or_i64(xth, xth, t0);
> +    set_cpu_vsrh(rD(ctx->opcode) + 32, xth);
>      tcg_gen_mov_i64(xtl, xal);
> +    set_cpu_vsrl(rD(ctx->opcode) + 32, xtl);
> +
>      tcg_temp_free_i64(t0);
> +    tcg_temp_free_i64(xth);
> +    tcg_temp_free_i64(xtl);
> +    tcg_temp_free_i64(xah);
> +    tcg_temp_free_i64(xal);
> +    tcg_temp_free_i64(xbh);
>  }
>  
>  static void gen_xsxsigdp(DisasContext *ctx)
>  {
>      TCGv rt = cpu_gpr[rD(ctx->opcode)];
> -    TCGv_i64 t0, zr, nan, exp;
> +    TCGv_i64 t0, t1, zr, nan, exp;
>  
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
> @@ -1318,17 +1584,21 @@ static void gen_xsxsigdp(DisasContext *ctx)
>      }
>      exp = tcg_temp_new_i64();
>      t0 = tcg_temp_new_i64();
> +    t1 = tcg_temp_new_i64();
>      zr = tcg_const_i64(0);
>      nan = tcg_const_i64(2047);
>  
> -    tcg_gen_extract_i64(exp, cpu_vsrh(xB(ctx->opcode)), 52, 11);
> +    get_cpu_vsrh(t1, xB(ctx->opcode));
> +    tcg_gen_extract_i64(exp, t1, 52, 11);
>      tcg_gen_movi_i64(t0, 0x0010000000000000);
>      tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, zr, zr, t0);
>      tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, nan, zr, t0);
> -    tcg_gen_andi_i64(rt, cpu_vsrh(xB(ctx->opcode)), 0x000FFFFFFFFFFFFF);
> +    get_cpu_vsrh(t1, xB(ctx->opcode));
> +    tcg_gen_andi_i64(rt, t1, 0x000FFFFFFFFFFFFF);
>      tcg_gen_or_i64(rt, rt, t0);
>  
>      tcg_temp_free_i64(t0);
> +    tcg_temp_free_i64(t1);
>      tcg_temp_free_i64(exp);
>      tcg_temp_free_i64(zr);
>      tcg_temp_free_i64(nan);
> @@ -1337,8 +1607,13 @@ static void gen_xsxsigdp(DisasContext *ctx)
>  static void gen_xsxsigqp(DisasContext *ctx)
>  {
>      TCGv_i64 t0, zr, nan, exp;
> -    TCGv_i64 xth = cpu_vsrh(rD(ctx->opcode) + 32);
> -    TCGv_i64 xtl = cpu_vsrl(rD(ctx->opcode) + 32);
> +    TCGv_i64 xth = tcg_temp_new_i64();
> +    TCGv_i64 xtl = tcg_temp_new_i64();
> +
> +    TCGv_i64 xbh = tcg_temp_new_i64();
> +    TCGv_i64 xbl = tcg_temp_new_i64();
> +    get_cpu_vsrh(xbh, rB(ctx->opcode) + 32);
> +    get_cpu_vsrl(xbl, rB(ctx->opcode) + 32);
>  
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
> @@ -1349,29 +1624,41 @@ static void gen_xsxsigqp(DisasContext *ctx)
>      zr = tcg_const_i64(0);
>      nan = tcg_const_i64(32767);
>  
> -    tcg_gen_extract_i64(exp, cpu_vsrh(rB(ctx->opcode) + 32), 48, 15);
> +    tcg_gen_extract_i64(exp, xbh, 48, 15);
>      tcg_gen_movi_i64(t0, 0x0001000000000000);
>      tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, zr, zr, t0);
>      tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, nan, zr, t0);
> -    tcg_gen_andi_i64(xth, cpu_vsrh(rB(ctx->opcode) + 32), 
> 0x0000FFFFFFFFFFFF);
> +    tcg_gen_andi_i64(xth, xbh, 0x0000FFFFFFFFFFFF);
>      tcg_gen_or_i64(xth, xth, t0);
> -    tcg_gen_mov_i64(xtl, cpu_vsrl(rB(ctx->opcode) + 32));
> +    set_cpu_vsrh(rD(ctx->opcode) + 32, xth);
> +    tcg_gen_mov_i64(xtl, xbl);
> +    set_cpu_vsrl(rD(ctx->opcode) + 32, xtl);
>  
>      tcg_temp_free_i64(t0);
>      tcg_temp_free_i64(exp);
>      tcg_temp_free_i64(zr);
>      tcg_temp_free_i64(nan);
> +    tcg_temp_free_i64(xth);
> +    tcg_temp_free_i64(xtl);
> +    tcg_temp_free_i64(xbh);
> +    tcg_temp_free_i64(xbl);
>  }
>  #endif
>  
>  static void gen_xviexpsp(DisasContext *ctx)
>  {
> -    TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode));
> -    TCGv_i64 xtl = cpu_vsrl(xT(ctx->opcode));
> -    TCGv_i64 xah = cpu_vsrh(xA(ctx->opcode));
> -    TCGv_i64 xal = cpu_vsrl(xA(ctx->opcode));
> -    TCGv_i64 xbh = cpu_vsrh(xB(ctx->opcode));
> -    TCGv_i64 xbl = cpu_vsrl(xB(ctx->opcode));
> +    TCGv_i64 xth = tcg_temp_new_i64();
> +    TCGv_i64 xtl = tcg_temp_new_i64();
> +
> +    TCGv_i64 xah = tcg_temp_new_i64();
> +    TCGv_i64 xal = tcg_temp_new_i64();
> +    TCGv_i64 xbh = tcg_temp_new_i64();
> +    TCGv_i64 xbl = tcg_temp_new_i64();
> +    get_cpu_vsrh(xah, xA(ctx->opcode));
> +    get_cpu_vsrl(xal, xA(ctx->opcode));
> +    get_cpu_vsrh(xbh, xB(ctx->opcode));
> +    get_cpu_vsrl(xbl, xB(ctx->opcode));
> +
>      TCGv_i64 t0;
>  
>      if (unlikely(!ctx->vsx_enabled)) {
> @@ -1383,21 +1670,36 @@ static void gen_xviexpsp(DisasContext *ctx)
>      tcg_gen_andi_i64(t0, xbh, 0xFF000000FF);
>      tcg_gen_shli_i64(t0, t0, 23);
>      tcg_gen_or_i64(xth, xth, t0);
> +    set_cpu_vsrh(xT(ctx->opcode), xth);
>      tcg_gen_andi_i64(xtl, xal, 0x807FFFFF807FFFFF);
>      tcg_gen_andi_i64(t0, xbl, 0xFF000000FF);
>      tcg_gen_shli_i64(t0, t0, 23);
>      tcg_gen_or_i64(xtl, xtl, t0);
> +    set_cpu_vsrl(xT(ctx->opcode), xtl);
> +
>      tcg_temp_free_i64(t0);
> +    tcg_temp_free_i64(xth);
> +    tcg_temp_free_i64(xtl);
> +    tcg_temp_free_i64(xah);
> +    tcg_temp_free_i64(xal);
> +    tcg_temp_free_i64(xbh);
> +    tcg_temp_free_i64(xbl);
>  }
>  
>  static void gen_xviexpdp(DisasContext *ctx)
>  {
> -    TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode));
> -    TCGv_i64 xtl = cpu_vsrl(xT(ctx->opcode));
> -    TCGv_i64 xah = cpu_vsrh(xA(ctx->opcode));
> -    TCGv_i64 xal = cpu_vsrl(xA(ctx->opcode));
> -    TCGv_i64 xbh = cpu_vsrh(xB(ctx->opcode));
> -    TCGv_i64 xbl = cpu_vsrl(xB(ctx->opcode));
> +    TCGv_i64 xth = tcg_temp_new_i64();
> +    TCGv_i64 xtl = tcg_temp_new_i64();
> +
> +    TCGv_i64 xah = tcg_temp_new_i64();
> +    TCGv_i64 xal = tcg_temp_new_i64();
> +    TCGv_i64 xbh = tcg_temp_new_i64();
> +    TCGv_i64 xbl = tcg_temp_new_i64();
> +    get_cpu_vsrh(xah, xA(ctx->opcode));
> +    get_cpu_vsrl(xal, xA(ctx->opcode));
> +    get_cpu_vsrh(xbh, xB(ctx->opcode));
> +    get_cpu_vsrl(xbl, xB(ctx->opcode));
> +
>      TCGv_i64 t0;
>  
>      if (unlikely(!ctx->vsx_enabled)) {
> @@ -1409,19 +1711,31 @@ static void gen_xviexpdp(DisasContext *ctx)
>      tcg_gen_andi_i64(t0, xbh, 0x7FF);
>      tcg_gen_shli_i64(t0, t0, 52);
>      tcg_gen_or_i64(xth, xth, t0);
> +    set_cpu_vsrh(xT(ctx->opcode), xth);
>      tcg_gen_andi_i64(xtl, xal, 0x800FFFFFFFFFFFFF);
>      tcg_gen_andi_i64(t0, xbl, 0x7FF);
>      tcg_gen_shli_i64(t0, t0, 52);
>      tcg_gen_or_i64(xtl, xtl, t0);
> +    set_cpu_vsrl(xT(ctx->opcode), xtl);
> +
>      tcg_temp_free_i64(t0);
> +    tcg_temp_free_i64(xth);
> +    tcg_temp_free_i64(xtl);
> +    tcg_temp_free_i64(xah);
> +    tcg_temp_free_i64(xal);
> +    tcg_temp_free_i64(xbh);
> +    tcg_temp_free_i64(xbl);
>  }
>  
>  static void gen_xvxexpsp(DisasContext *ctx)
>  {
> -    TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode));
> -    TCGv_i64 xtl = cpu_vsrl(xT(ctx->opcode));
> -    TCGv_i64 xbh = cpu_vsrh(xB(ctx->opcode));
> -    TCGv_i64 xbl = cpu_vsrl(xB(ctx->opcode));
> +    TCGv_i64 xth = tcg_temp_new_i64();
> +    TCGv_i64 xtl = tcg_temp_new_i64();
> +
> +    TCGv_i64 xbh = tcg_temp_new_i64();
> +    TCGv_i64 xbl = tcg_temp_new_i64();
> +    get_cpu_vsrh(xbh, xB(ctx->opcode));
> +    get_cpu_vsrl(xbl, xB(ctx->opcode));
>  
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
> @@ -1429,33 +1743,53 @@ static void gen_xvxexpsp(DisasContext *ctx)
>      }
>      tcg_gen_shri_i64(xth, xbh, 23);
>      tcg_gen_andi_i64(xth, xth, 0xFF000000FF);
> +    set_cpu_vsrh(xT(ctx->opcode), xth);
>      tcg_gen_shri_i64(xtl, xbl, 23);
>      tcg_gen_andi_i64(xtl, xtl, 0xFF000000FF);
> +    set_cpu_vsrl(xT(ctx->opcode), xtl);
> +
> +    tcg_temp_free_i64(xth);
> +    tcg_temp_free_i64(xtl);
> +    tcg_temp_free_i64(xbh);
> +    tcg_temp_free_i64(xbl);
>  }
>  
>  static void gen_xvxexpdp(DisasContext *ctx)
>  {
> -    TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode));
> -    TCGv_i64 xtl = cpu_vsrl(xT(ctx->opcode));
> -    TCGv_i64 xbh = cpu_vsrh(xB(ctx->opcode));
> -    TCGv_i64 xbl = cpu_vsrl(xB(ctx->opcode));
> +    TCGv_i64 xth = tcg_temp_new_i64();
> +    TCGv_i64 xtl = tcg_temp_new_i64();
> +
> +    TCGv_i64 xbh = tcg_temp_new_i64();
> +    TCGv_i64 xbl = tcg_temp_new_i64();
> +    get_cpu_vsrh(xbh, xB(ctx->opcode));
> +    get_cpu_vsrl(xbl, xB(ctx->opcode));
>  
>      if (unlikely(!ctx->vsx_enabled)) {
>          gen_exception(ctx, POWERPC_EXCP_VSXU);
>          return;
>      }
>      tcg_gen_extract_i64(xth, xbh, 52, 11);
> +    set_cpu_vsrh(xT(ctx->opcode), xth);
>      tcg_gen_extract_i64(xtl, xbl, 52, 11);
> +    set_cpu_vsrl(xT(ctx->opcode), xtl);
> +
> +    tcg_temp_free_i64(xth);
> +    tcg_temp_free_i64(xtl);
> +    tcg_temp_free_i64(xbh);
> +    tcg_temp_free_i64(xbl);
>  }
>  
>  GEN_VSX_HELPER_2(xvxsigsp, 0x00, 0x04, 0, PPC2_ISA300)
>  
>  static void gen_xvxsigdp(DisasContext *ctx)
>  {
> -    TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode));
> -    TCGv_i64 xtl = cpu_vsrl(xT(ctx->opcode));
> -    TCGv_i64 xbh = cpu_vsrh(xB(ctx->opcode));
> -    TCGv_i64 xbl = cpu_vsrl(xB(ctx->opcode));
> +    TCGv_i64 xth = tcg_temp_new_i64();
> +    TCGv_i64 xtl = tcg_temp_new_i64();
> +
> +    TCGv_i64 xbh = tcg_temp_new_i64();
> +    TCGv_i64 xbl = tcg_temp_new_i64();
> +    get_cpu_vsrh(xbh, xB(ctx->opcode));
> +    get_cpu_vsrl(xbl, xB(ctx->opcode));
>  
>      TCGv_i64 t0, zr, nan, exp;
>  
> @@ -1474,6 +1808,7 @@ static void gen_xvxsigdp(DisasContext *ctx)
>      tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, nan, zr, t0);
>      tcg_gen_andi_i64(xth, xbh, 0x000FFFFFFFFFFFFF);
>      tcg_gen_or_i64(xth, xth, t0);
> +    set_cpu_vsrh(xT(ctx->opcode), xth);
>  
>      tcg_gen_extract_i64(exp, xbl, 52, 11);
>      tcg_gen_movi_i64(t0, 0x0010000000000000);
> @@ -1481,11 +1816,16 @@ static void gen_xvxsigdp(DisasContext *ctx)
>      tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, nan, zr, t0);
>      tcg_gen_andi_i64(xtl, xbl, 0x000FFFFFFFFFFFFF);
>      tcg_gen_or_i64(xtl, xtl, t0);
> +    set_cpu_vsrl(xT(ctx->opcode), xtl);
>  
>      tcg_temp_free_i64(t0);
>      tcg_temp_free_i64(exp);
>      tcg_temp_free_i64(zr);
>      tcg_temp_free_i64(nan);
> +    tcg_temp_free_i64(xth);
> +    tcg_temp_free_i64(xtl);
> +    tcg_temp_free_i64(xbh);
> +    tcg_temp_free_i64(xbl);
>  }
>  
>  #undef GEN_XX2FORM

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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