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[PATCH v8 27/62] target/riscv: vector widening saturating scaled multipl
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From: |
LIU Zhiwei |
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Subject: |
[PATCH v8 27/62] target/riscv: vector widening saturating scaled multiply-add |
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Date: |
Thu, 21 May 2020 17:43:38 +0800 |
Signed-off-by: LIU Zhiwei <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
Reviewed-by: Alistair Francis <address@hidden>
---
target/riscv/helper.h | 22 +++
target/riscv/insn32.decode | 7 +
target/riscv/insn_trans/trans_rvv.inc.c | 9 ++
target/riscv/vector_helper.c | 205 ++++++++++++++++++++++++
4 files changed, 243 insertions(+)
diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index e6cae1b59c..eb383787a2 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -745,3 +745,25 @@ DEF_HELPER_6(vsmul_vx_b, void, ptr, ptr, tl, ptr, env, i32)
DEF_HELPER_6(vsmul_vx_h, void, ptr, ptr, tl, ptr, env, i32)
DEF_HELPER_6(vsmul_vx_w, void, ptr, ptr, tl, ptr, env, i32)
DEF_HELPER_6(vsmul_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+
+DEF_HELPER_6(vwsmaccu_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwsmaccu_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwsmaccu_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwsmacc_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwsmacc_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwsmacc_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwsmaccsu_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwsmaccsu_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwsmaccsu_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vwsmaccu_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwsmaccu_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwsmaccu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwsmacc_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwsmacc_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwsmacc_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwsmaccsu_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwsmaccsu_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwsmaccsu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwsmaccus_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwsmaccus_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vwsmaccus_vx_w, void, ptr, ptr, tl, ptr, env, i32)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 633f782fbf..2e0e66bdfa 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -424,6 +424,13 @@ vasub_vv 100110 . ..... ..... 000 ..... 1010111
@r_vm
vasub_vx 100110 . ..... ..... 100 ..... 1010111 @r_vm
vsmul_vv 100111 . ..... ..... 000 ..... 1010111 @r_vm
vsmul_vx 100111 . ..... ..... 100 ..... 1010111 @r_vm
+vwsmaccu_vv 111100 . ..... ..... 000 ..... 1010111 @r_vm
+vwsmaccu_vx 111100 . ..... ..... 100 ..... 1010111 @r_vm
+vwsmacc_vv 111101 . ..... ..... 000 ..... 1010111 @r_vm
+vwsmacc_vx 111101 . ..... ..... 100 ..... 1010111 @r_vm
+vwsmaccsu_vv 111110 . ..... ..... 000 ..... 1010111 @r_vm
+vwsmaccsu_vx 111110 . ..... ..... 100 ..... 1010111 @r_vm
+vwsmaccus_vx 111111 . ..... ..... 100 ..... 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
index c17f0a6aae..5615915377 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -1758,3 +1758,12 @@ GEN_OPIVI_TRANS(vaadd_vi, 0, vaadd_vx, opivx_check)
/* Vector Single-Width Fractional Multiply with Rounding and Saturation */
GEN_OPIVV_TRANS(vsmul_vv, opivv_check)
GEN_OPIVX_TRANS(vsmul_vx, opivx_check)
+
+/* Vector Widening Saturating Scaled Multiply-Add */
+GEN_OPIVV_WIDEN_TRANS(vwsmaccu_vv, opivv_widen_check)
+GEN_OPIVV_WIDEN_TRANS(vwsmacc_vv, opivv_widen_check)
+GEN_OPIVV_WIDEN_TRANS(vwsmaccsu_vv, opivv_widen_check)
+GEN_OPIVX_WIDEN_TRANS(vwsmaccu_vx)
+GEN_OPIVX_WIDEN_TRANS(vwsmacc_vx)
+GEN_OPIVX_WIDEN_TRANS(vwsmaccsu_vx)
+GEN_OPIVX_WIDEN_TRANS(vwsmaccus_vx)
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 23868fb1b2..b9c1cf5237 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -2703,3 +2703,208 @@ GEN_VEXT_VX_RM(vsmul_vx_b, 1, 1, clearb)
GEN_VEXT_VX_RM(vsmul_vx_h, 2, 2, clearh)
GEN_VEXT_VX_RM(vsmul_vx_w, 4, 4, clearl)
GEN_VEXT_VX_RM(vsmul_vx_d, 8, 8, clearq)
+
+/* Vector Widening Saturating Scaled Multiply-Add */
+static inline uint16_t
+vwsmaccu8(CPURISCVState *env, int vxrm, uint8_t a, uint8_t b,
+ uint16_t c)
+{
+ uint8_t round;
+ uint16_t res = (uint16_t)a * b;
+
+ round = get_round(vxrm, res, 4);
+ res = (res >> 4) + round;
+ return saddu16(env, vxrm, c, res);
+}
+
+static inline uint32_t
+vwsmaccu16(CPURISCVState *env, int vxrm, uint16_t a, uint16_t b,
+ uint32_t c)
+{
+ uint8_t round;
+ uint32_t res = (uint32_t)a * b;
+
+ round = get_round(vxrm, res, 8);
+ res = (res >> 8) + round;
+ return saddu32(env, vxrm, c, res);
+}
+
+static inline uint64_t
+vwsmaccu32(CPURISCVState *env, int vxrm, uint32_t a, uint32_t b,
+ uint64_t c)
+{
+ uint8_t round;
+ uint64_t res = (uint64_t)a * b;
+
+ round = get_round(vxrm, res, 16);
+ res = (res >> 16) + round;
+ return saddu64(env, vxrm, c, res);
+}
+
+#define OPIVV3_RM(NAME, TD, T1, T2, TX1, TX2, HD, HS1, HS2, OP) \
+static inline void \
+do_##NAME(void *vd, void *vs1, void *vs2, int i, \
+ CPURISCVState *env, int vxrm) \
+{ \
+ TX1 s1 = *((T1 *)vs1 + HS1(i)); \
+ TX2 s2 = *((T2 *)vs2 + HS2(i)); \
+ TD d = *((TD *)vd + HD(i)); \
+ *((TD *)vd + HD(i)) = OP(env, vxrm, s2, s1, d); \
+}
+
+RVVCALL(OPIVV3_RM, vwsmaccu_vv_b, WOP_UUU_B, H2, H1, H1, vwsmaccu8)
+RVVCALL(OPIVV3_RM, vwsmaccu_vv_h, WOP_UUU_H, H4, H2, H2, vwsmaccu16)
+RVVCALL(OPIVV3_RM, vwsmaccu_vv_w, WOP_UUU_W, H8, H4, H4, vwsmaccu32)
+GEN_VEXT_VV_RM(vwsmaccu_vv_b, 1, 2, clearh)
+GEN_VEXT_VV_RM(vwsmaccu_vv_h, 2, 4, clearl)
+GEN_VEXT_VV_RM(vwsmaccu_vv_w, 4, 8, clearq)
+
+#define OPIVX3_RM(NAME, TD, T1, T2, TX1, TX2, HD, HS2, OP) \
+static inline void \
+do_##NAME(void *vd, target_long s1, void *vs2, int i, \
+ CPURISCVState *env, int vxrm) \
+{ \
+ TX2 s2 = *((T2 *)vs2 + HS2(i)); \
+ TD d = *((TD *)vd + HD(i)); \
+ *((TD *)vd + HD(i)) = OP(env, vxrm, s2, (TX1)(T1)s1, d); \
+}
+
+RVVCALL(OPIVX3_RM, vwsmaccu_vx_b, WOP_UUU_B, H2, H1, vwsmaccu8)
+RVVCALL(OPIVX3_RM, vwsmaccu_vx_h, WOP_UUU_H, H4, H2, vwsmaccu16)
+RVVCALL(OPIVX3_RM, vwsmaccu_vx_w, WOP_UUU_W, H8, H4, vwsmaccu32)
+GEN_VEXT_VX_RM(vwsmaccu_vx_b, 1, 2, clearh)
+GEN_VEXT_VX_RM(vwsmaccu_vx_h, 2, 4, clearl)
+GEN_VEXT_VX_RM(vwsmaccu_vx_w, 4, 8, clearq)
+
+static inline int16_t
+vwsmacc8(CPURISCVState *env, int vxrm, int8_t a, int8_t b, int16_t c)
+{
+ uint8_t round;
+ int16_t res = (int16_t)a * b;
+
+ round = get_round(vxrm, res, 4);
+ res = (res >> 4) + round;
+ return sadd16(env, vxrm, c, res);
+}
+
+static inline int32_t
+vwsmacc16(CPURISCVState *env, int vxrm, int16_t a, int16_t b, int32_t c)
+{
+ uint8_t round;
+ int32_t res = (int32_t)a * b;
+
+ round = get_round(vxrm, res, 8);
+ res = (res >> 8) + round;
+ return sadd32(env, vxrm, c, res);
+
+}
+
+static inline int64_t
+vwsmacc32(CPURISCVState *env, int vxrm, int32_t a, int32_t b, int64_t c)
+{
+ uint8_t round;
+ int64_t res = (int64_t)a * b;
+
+ round = get_round(vxrm, res, 16);
+ res = (res >> 16) + round;
+ return sadd64(env, vxrm, c, res);
+}
+
+RVVCALL(OPIVV3_RM, vwsmacc_vv_b, WOP_SSS_B, H2, H1, H1, vwsmacc8)
+RVVCALL(OPIVV3_RM, vwsmacc_vv_h, WOP_SSS_H, H4, H2, H2, vwsmacc16)
+RVVCALL(OPIVV3_RM, vwsmacc_vv_w, WOP_SSS_W, H8, H4, H4, vwsmacc32)
+GEN_VEXT_VV_RM(vwsmacc_vv_b, 1, 2, clearh)
+GEN_VEXT_VV_RM(vwsmacc_vv_h, 2, 4, clearl)
+GEN_VEXT_VV_RM(vwsmacc_vv_w, 4, 8, clearq)
+RVVCALL(OPIVX3_RM, vwsmacc_vx_b, WOP_SSS_B, H2, H1, vwsmacc8)
+RVVCALL(OPIVX3_RM, vwsmacc_vx_h, WOP_SSS_H, H4, H2, vwsmacc16)
+RVVCALL(OPIVX3_RM, vwsmacc_vx_w, WOP_SSS_W, H8, H4, vwsmacc32)
+GEN_VEXT_VX_RM(vwsmacc_vx_b, 1, 2, clearh)
+GEN_VEXT_VX_RM(vwsmacc_vx_h, 2, 4, clearl)
+GEN_VEXT_VX_RM(vwsmacc_vx_w, 4, 8, clearq)
+
+static inline int16_t
+vwsmaccsu8(CPURISCVState *env, int vxrm, uint8_t a, int8_t b, int16_t c)
+{
+ uint8_t round;
+ int16_t res = a * (int16_t)b;
+
+ round = get_round(vxrm, res, 4);
+ res = (res >> 4) + round;
+ return ssub16(env, vxrm, c, res);
+}
+
+static inline int32_t
+vwsmaccsu16(CPURISCVState *env, int vxrm, uint16_t a, int16_t b, uint32_t c)
+{
+ uint8_t round;
+ int32_t res = a * (int32_t)b;
+
+ round = get_round(vxrm, res, 8);
+ res = (res >> 8) + round;
+ return ssub32(env, vxrm, c, res);
+}
+
+static inline int64_t
+vwsmaccsu32(CPURISCVState *env, int vxrm, uint32_t a, int32_t b, int64_t c)
+{
+ uint8_t round;
+ int64_t res = a * (int64_t)b;
+
+ round = get_round(vxrm, res, 16);
+ res = (res >> 16) + round;
+ return ssub64(env, vxrm, c, res);
+}
+
+RVVCALL(OPIVV3_RM, vwsmaccsu_vv_b, WOP_SSU_B, H2, H1, H1, vwsmaccsu8)
+RVVCALL(OPIVV3_RM, vwsmaccsu_vv_h, WOP_SSU_H, H4, H2, H2, vwsmaccsu16)
+RVVCALL(OPIVV3_RM, vwsmaccsu_vv_w, WOP_SSU_W, H8, H4, H4, vwsmaccsu32)
+GEN_VEXT_VV_RM(vwsmaccsu_vv_b, 1, 2, clearh)
+GEN_VEXT_VV_RM(vwsmaccsu_vv_h, 2, 4, clearl)
+GEN_VEXT_VV_RM(vwsmaccsu_vv_w, 4, 8, clearq)
+RVVCALL(OPIVX3_RM, vwsmaccsu_vx_b, WOP_SSU_B, H2, H1, vwsmaccsu8)
+RVVCALL(OPIVX3_RM, vwsmaccsu_vx_h, WOP_SSU_H, H4, H2, vwsmaccsu16)
+RVVCALL(OPIVX3_RM, vwsmaccsu_vx_w, WOP_SSU_W, H8, H4, vwsmaccsu32)
+GEN_VEXT_VX_RM(vwsmaccsu_vx_b, 1, 2, clearh)
+GEN_VEXT_VX_RM(vwsmaccsu_vx_h, 2, 4, clearl)
+GEN_VEXT_VX_RM(vwsmaccsu_vx_w, 4, 8, clearq)
+
+static inline int16_t
+vwsmaccus8(CPURISCVState *env, int vxrm, int8_t a, uint8_t b, int16_t c)
+{
+ uint8_t round;
+ int16_t res = (int16_t)a * b;
+
+ round = get_round(vxrm, res, 4);
+ res = (res >> 4) + round;
+ return ssub16(env, vxrm, c, res);
+}
+
+static inline int32_t
+vwsmaccus16(CPURISCVState *env, int vxrm, int16_t a, uint16_t b, int32_t c)
+{
+ uint8_t round;
+ int32_t res = (int32_t)a * b;
+
+ round = get_round(vxrm, res, 8);
+ res = (res >> 8) + round;
+ return ssub32(env, vxrm, c, res);
+}
+
+static inline int64_t
+vwsmaccus32(CPURISCVState *env, int vxrm, int32_t a, uint32_t b, int64_t c)
+{
+ uint8_t round;
+ int64_t res = (int64_t)a * b;
+
+ round = get_round(vxrm, res, 16);
+ res = (res >> 16) + round;
+ return ssub64(env, vxrm, c, res);
+}
+
+RVVCALL(OPIVX3_RM, vwsmaccus_vx_b, WOP_SUS_B, H2, H1, vwsmaccus8)
+RVVCALL(OPIVX3_RM, vwsmaccus_vx_h, WOP_SUS_H, H4, H2, vwsmaccus16)
+RVVCALL(OPIVX3_RM, vwsmaccus_vx_w, WOP_SUS_W, H8, H4, vwsmaccus32)
+GEN_VEXT_VX_RM(vwsmaccus_vx_b, 1, 2, clearh)
+GEN_VEXT_VX_RM(vwsmaccus_vx_h, 2, 4, clearl)
+GEN_VEXT_VX_RM(vwsmaccus_vx_w, 4, 8, clearq)
--
2.23.0
- [PATCH v8 17/62] target/riscv: vector integer min/max instructions, (continued)
- [PATCH v8 17/62] target/riscv: vector integer min/max instructions, LIU Zhiwei, 2020/05/21
- [PATCH v8 18/62] target/riscv: vector single-width integer multiply instructions, LIU Zhiwei, 2020/05/21
- [PATCH v8 19/62] target/riscv: vector integer divide instructions, LIU Zhiwei, 2020/05/21
- [PATCH v8 20/62] target/riscv: vector widening integer multiply instructions, LIU Zhiwei, 2020/05/21
- [PATCH v8 21/62] target/riscv: vector single-width integer multiply-add instructions, LIU Zhiwei, 2020/05/21
- [PATCH v8 22/62] target/riscv: vector widening integer multiply-add instructions, LIU Zhiwei, 2020/05/21
- [PATCH v8 23/62] target/riscv: vector integer merge and move instructions, LIU Zhiwei, 2020/05/21
- [PATCH v8 24/62] target/riscv: vector single-width saturating add and subtract, LIU Zhiwei, 2020/05/21
- [PATCH v8 25/62] target/riscv: vector single-width averaging add and subtract, LIU Zhiwei, 2020/05/21
- [PATCH v8 26/62] target/riscv: vector single-width fractional multiply with rounding and saturation, LIU Zhiwei, 2020/05/21
- [PATCH v8 27/62] target/riscv: vector widening saturating scaled multiply-add,
LIU Zhiwei <=
- [PATCH v8 28/62] target/riscv: vector single-width scaling shift instructions, LIU Zhiwei, 2020/05/21
- [PATCH v8 29/62] target/riscv: vector narrowing fixed-point clip instructions, LIU Zhiwei, 2020/05/21
- [PATCH v8 30/62] target/riscv: Update fp_status when float rounding mode changes, LIU Zhiwei, 2020/05/21
- [PATCH v8 31/62] target/riscv: vector single-width floating-point add/subtract instructions, LIU Zhiwei, 2020/05/21
- [PATCH v8 32/62] target/riscv: vector widening floating-point add/subtract instructions, LIU Zhiwei, 2020/05/21
- [PATCH v8 33/62] target/riscv: vector single-width floating-point multiply/divide instructions, LIU Zhiwei, 2020/05/21
- [PATCH v8 34/62] target/riscv: vector widening floating-point multiply, LIU Zhiwei, 2020/05/21
- [PATCH v8 35/62] target/riscv: vector single-width floating-point fused multiply-add instructions, LIU Zhiwei, 2020/05/21
- [PATCH v8 36/62] target/riscv: vector widening floating-point fused multiply-add instructions, LIU Zhiwei, 2020/05/21