target/riscv: vector single-width floating-point fused multiply-add instructions

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20200701152549.1218-35-zhiwei_liu@c-sky.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

4 files changed, 334 insertions, 0 deletions

diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index 9d7dcfe..108a177 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -857,3 +857,52 @@ DEF_HELPER_6(vfwmul_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
 DEF_HELPER_6(vfwmul_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
 DEF_HELPER_6(vfwmul_vf_h, void, ptr, ptr, i64, ptr, env, i32)
 DEF_HELPER_6(vfwmul_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+
+DEF_HELPER_6(vfmacc_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmacc_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmacc_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfnmacc_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfnmacc_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfnmacc_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmsac_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmsac_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmsac_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfnmsac_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfnmsac_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfnmsac_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmadd_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmadd_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmadd_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfnmadd_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfnmadd_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfnmadd_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmsub_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmsub_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmsub_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfnmsub_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfnmsub_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfnmsub_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vfmacc_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfmacc_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfmacc_vf_d, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfnmacc_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfnmacc_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfnmacc_vf_d, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfmsac_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfmsac_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfmsac_vf_d, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfnmsac_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfnmsac_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfnmsac_vf_d, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfmadd_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfmadd_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfmadd_vf_d, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfnmadd_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfnmadd_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfnmadd_vf_d, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfmsub_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfmsub_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfmsub_vf_d, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfnmsub_vf_h, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfnmsub_vf_w, void, ptr, ptr, i64, ptr, env, i32)
+DEF_HELPER_6(vfnmsub_vf_d, void, ptr, ptr, i64, ptr, env, i32)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index dd9bca7..9ca765d 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -465,6 +465,22 @@ vfdiv_vf        100000 . ..... ..... 101 ..... 1010111 @r_vm
 vfrdiv_vf       100001 . ..... ..... 101 ..... 1010111 @r_vm
 vfwmul_vv       111000 . ..... ..... 001 ..... 1010111 @r_vm
 vfwmul_vf       111000 . ..... ..... 101 ..... 1010111 @r_vm
+vfmacc_vv       101100 . ..... ..... 001 ..... 1010111 @r_vm
+vfnmacc_vv      101101 . ..... ..... 001 ..... 1010111 @r_vm
+vfnmacc_vf      101101 . ..... ..... 101 ..... 1010111 @r_vm
+vfmacc_vf       101100 . ..... ..... 101 ..... 1010111 @r_vm
+vfmsac_vv       101110 . ..... ..... 001 ..... 1010111 @r_vm
+vfmsac_vf       101110 . ..... ..... 101 ..... 1010111 @r_vm
+vfnmsac_vv      101111 . ..... ..... 001 ..... 1010111 @r_vm
+vfnmsac_vf      101111 . ..... ..... 101 ..... 1010111 @r_vm
+vfmadd_vv       101000 . ..... ..... 001 ..... 1010111 @r_vm
+vfmadd_vf       101000 . ..... ..... 101 ..... 1010111 @r_vm
+vfnmadd_vv      101001 . ..... ..... 001 ..... 1010111 @r_vm
+vfnmadd_vf      101001 . ..... ..... 101 ..... 1010111 @r_vm
+vfmsub_vv       101010 . ..... ..... 001 ..... 1010111 @r_vm
+vfmsub_vf       101010 . ..... ..... 101 ..... 1010111 @r_vm
+vfnmsub_vv      101011 . ..... ..... 001 ..... 1010111 @r_vm
+vfnmsub_vf      101011 . ..... ..... 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
index 3ce7815..ee601fd 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -2061,3 +2061,21 @@ GEN_OPFVF_TRANS(vfrdiv_vf,  opfvf_check)
 /* Vector Widening Floating-Point Multiply */
 GEN_OPFVV_WIDEN_TRANS(vfwmul_vv, opfvv_widen_check)
 GEN_OPFVF_WIDEN_TRANS(vfwmul_vf)
+
+/* Vector Single-Width Floating-Point Fused Multiply-Add Instructions */
+GEN_OPFVV_TRANS(vfmacc_vv, opfvv_check)
+GEN_OPFVV_TRANS(vfnmacc_vv, opfvv_check)
+GEN_OPFVV_TRANS(vfmsac_vv, opfvv_check)
+GEN_OPFVV_TRANS(vfnmsac_vv, opfvv_check)
+GEN_OPFVV_TRANS(vfmadd_vv, opfvv_check)
+GEN_OPFVV_TRANS(vfnmadd_vv, opfvv_check)
+GEN_OPFVV_TRANS(vfmsub_vv, opfvv_check)
+GEN_OPFVV_TRANS(vfnmsub_vv, opfvv_check)
+GEN_OPFVF_TRANS(vfmacc_vf, opfvf_check)
+GEN_OPFVF_TRANS(vfnmacc_vf, opfvf_check)
+GEN_OPFVF_TRANS(vfmsac_vf, opfvf_check)
+GEN_OPFVF_TRANS(vfnmsac_vf, opfvf_check)
+GEN_OPFVF_TRANS(vfmadd_vf, opfvf_check)
+GEN_OPFVF_TRANS(vfnmadd_vf, opfvf_check)
+GEN_OPFVF_TRANS(vfmsub_vf, opfvf_check)
+GEN_OPFVF_TRANS(vfnmsub_vf, opfvf_check)
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index dbdfeac..29dc1d1 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -3432,3 +3432,254 @@ RVVCALL(OPFVF2, vfwmul_vf_h, WOP_UUU_H, H4, H2, vfwmul16)
 RVVCALL(OPFVF2, vfwmul_vf_w, WOP_UUU_W, H8, H4, vfwmul32)
 GEN_VEXT_VF(vfwmul_vf_h, 2, 4, clearl)
 GEN_VEXT_VF(vfwmul_vf_w, 4, 8, clearq)
+
+/* Vector Single-Width Floating-Point Fused Multiply-Add Instructions */
+#define OPFVV3(NAME, TD, T1, T2, TX1, TX2, HD, HS1, HS2, OP)       \
+static void do_##NAME(void *vd, void *vs1, void *vs2, int i,       \
+        CPURISCVState *env)                                        \
+{                                                                  \
+    TX1 s1 = *((T1 *)vs1 + HS1(i));                                \
+    TX2 s2 = *((T2 *)vs2 + HS2(i));                                \
+    TD d = *((TD *)vd + HD(i));                                    \
+    *((TD *)vd + HD(i)) = OP(s2, s1, d, &env->fp_status);          \
+}
+
+static uint16_t fmacc16(uint16_t a, uint16_t b, uint16_t d, float_status *s)
+{
+    return float16_muladd(a, b, d, 0, s);
+}
+
+static uint32_t fmacc32(uint32_t a, uint32_t b, uint32_t d, float_status *s)
+{
+    return float32_muladd(a, b, d, 0, s);
+}
+
+static uint64_t fmacc64(uint64_t a, uint64_t b, uint64_t d, float_status *s)
+{
+    return float64_muladd(a, b, d, 0, s);
+}
+
+RVVCALL(OPFVV3, vfmacc_vv_h, OP_UUU_H, H2, H2, H2, fmacc16)
+RVVCALL(OPFVV3, vfmacc_vv_w, OP_UUU_W, H4, H4, H4, fmacc32)
+RVVCALL(OPFVV3, vfmacc_vv_d, OP_UUU_D, H8, H8, H8, fmacc64)
+GEN_VEXT_VV_ENV(vfmacc_vv_h, 2, 2, clearh)
+GEN_VEXT_VV_ENV(vfmacc_vv_w, 4, 4, clearl)
+GEN_VEXT_VV_ENV(vfmacc_vv_d, 8, 8, clearq)
+
+#define OPFVF3(NAME, TD, T1, T2, TX1, TX2, HD, HS2, OP)           \
+static void do_##NAME(void *vd, uint64_t s1, void *vs2, int i,    \
+        CPURISCVState *env)                                       \
+{                                                                 \
+    TX2 s2 = *((T2 *)vs2 + HS2(i));                               \
+    TD d = *((TD *)vd + HD(i));                                   \
+    *((TD *)vd + HD(i)) = OP(s2, (TX1)(T1)s1, d, &env->fp_status);\
+}
+
+RVVCALL(OPFVF3, vfmacc_vf_h, OP_UUU_H, H2, H2, fmacc16)
+RVVCALL(OPFVF3, vfmacc_vf_w, OP_UUU_W, H4, H4, fmacc32)
+RVVCALL(OPFVF3, vfmacc_vf_d, OP_UUU_D, H8, H8, fmacc64)
+GEN_VEXT_VF(vfmacc_vf_h, 2, 2, clearh)
+GEN_VEXT_VF(vfmacc_vf_w, 4, 4, clearl)
+GEN_VEXT_VF(vfmacc_vf_d, 8, 8, clearq)
+
+static uint16_t fnmacc16(uint16_t a, uint16_t b, uint16_t d, float_status *s)
+{
+    return float16_muladd(a, b, d,
+            float_muladd_negate_c | float_muladd_negate_product, s);
+}
+
+static uint32_t fnmacc32(uint32_t a, uint32_t b, uint32_t d, float_status *s)
+{
+    return float32_muladd(a, b, d,
+            float_muladd_negate_c | float_muladd_negate_product, s);
+}
+
+static uint64_t fnmacc64(uint64_t a, uint64_t b, uint64_t d, float_status *s)
+{
+    return float64_muladd(a, b, d,
+            float_muladd_negate_c | float_muladd_negate_product, s);
+}
+
+RVVCALL(OPFVV3, vfnmacc_vv_h, OP_UUU_H, H2, H2, H2, fnmacc16)
+RVVCALL(OPFVV3, vfnmacc_vv_w, OP_UUU_W, H4, H4, H4, fnmacc32)
+RVVCALL(OPFVV3, vfnmacc_vv_d, OP_UUU_D, H8, H8, H8, fnmacc64)
+GEN_VEXT_VV_ENV(vfnmacc_vv_h, 2, 2, clearh)
+GEN_VEXT_VV_ENV(vfnmacc_vv_w, 4, 4, clearl)
+GEN_VEXT_VV_ENV(vfnmacc_vv_d, 8, 8, clearq)
+RVVCALL(OPFVF3, vfnmacc_vf_h, OP_UUU_H, H2, H2, fnmacc16)
+RVVCALL(OPFVF3, vfnmacc_vf_w, OP_UUU_W, H4, H4, fnmacc32)
+RVVCALL(OPFVF3, vfnmacc_vf_d, OP_UUU_D, H8, H8, fnmacc64)
+GEN_VEXT_VF(vfnmacc_vf_h, 2, 2, clearh)
+GEN_VEXT_VF(vfnmacc_vf_w, 4, 4, clearl)
+GEN_VEXT_VF(vfnmacc_vf_d, 8, 8, clearq)
+
+static uint16_t fmsac16(uint16_t a, uint16_t b, uint16_t d, float_status *s)
+{
+    return float16_muladd(a, b, d, float_muladd_negate_c, s);
+}
+
+static uint32_t fmsac32(uint32_t a, uint32_t b, uint32_t d, float_status *s)
+{
+    return float32_muladd(a, b, d, float_muladd_negate_c, s);
+}
+
+static uint64_t fmsac64(uint64_t a, uint64_t b, uint64_t d, float_status *s)
+{
+    return float64_muladd(a, b, d, float_muladd_negate_c, s);
+}
+
+RVVCALL(OPFVV3, vfmsac_vv_h, OP_UUU_H, H2, H2, H2, fmsac16)
+RVVCALL(OPFVV3, vfmsac_vv_w, OP_UUU_W, H4, H4, H4, fmsac32)
+RVVCALL(OPFVV3, vfmsac_vv_d, OP_UUU_D, H8, H8, H8, fmsac64)
+GEN_VEXT_VV_ENV(vfmsac_vv_h, 2, 2, clearh)
+GEN_VEXT_VV_ENV(vfmsac_vv_w, 4, 4, clearl)
+GEN_VEXT_VV_ENV(vfmsac_vv_d, 8, 8, clearq)
+RVVCALL(OPFVF3, vfmsac_vf_h, OP_UUU_H, H2, H2, fmsac16)
+RVVCALL(OPFVF3, vfmsac_vf_w, OP_UUU_W, H4, H4, fmsac32)
+RVVCALL(OPFVF3, vfmsac_vf_d, OP_UUU_D, H8, H8, fmsac64)
+GEN_VEXT_VF(vfmsac_vf_h, 2, 2, clearh)
+GEN_VEXT_VF(vfmsac_vf_w, 4, 4, clearl)
+GEN_VEXT_VF(vfmsac_vf_d, 8, 8, clearq)
+
+static uint16_t fnmsac16(uint16_t a, uint16_t b, uint16_t d, float_status *s)
+{
+    return float16_muladd(a, b, d, float_muladd_negate_product, s);
+}
+
+static uint32_t fnmsac32(uint32_t a, uint32_t b, uint32_t d, float_status *s)
+{
+    return float32_muladd(a, b, d, float_muladd_negate_product, s);
+}
+
+static uint64_t fnmsac64(uint64_t a, uint64_t b, uint64_t d, float_status *s)
+{
+    return float64_muladd(a, b, d, float_muladd_negate_product, s);
+}
+
+RVVCALL(OPFVV3, vfnmsac_vv_h, OP_UUU_H, H2, H2, H2, fnmsac16)
+RVVCALL(OPFVV3, vfnmsac_vv_w, OP_UUU_W, H4, H4, H4, fnmsac32)
+RVVCALL(OPFVV3, vfnmsac_vv_d, OP_UUU_D, H8, H8, H8, fnmsac64)
+GEN_VEXT_VV_ENV(vfnmsac_vv_h, 2, 2, clearh)
+GEN_VEXT_VV_ENV(vfnmsac_vv_w, 4, 4, clearl)
+GEN_VEXT_VV_ENV(vfnmsac_vv_d, 8, 8, clearq)
+RVVCALL(OPFVF3, vfnmsac_vf_h, OP_UUU_H, H2, H2, fnmsac16)
+RVVCALL(OPFVF3, vfnmsac_vf_w, OP_UUU_W, H4, H4, fnmsac32)
+RVVCALL(OPFVF3, vfnmsac_vf_d, OP_UUU_D, H8, H8, fnmsac64)
+GEN_VEXT_VF(vfnmsac_vf_h, 2, 2, clearh)
+GEN_VEXT_VF(vfnmsac_vf_w, 4, 4, clearl)
+GEN_VEXT_VF(vfnmsac_vf_d, 8, 8, clearq)
+
+static uint16_t fmadd16(uint16_t a, uint16_t b, uint16_t d, float_status *s)
+{
+    return float16_muladd(d, b, a, 0, s);
+}
+
+static uint32_t fmadd32(uint32_t a, uint32_t b, uint32_t d, float_status *s)
+{
+    return float32_muladd(d, b, a, 0, s);
+}
+
+static uint64_t fmadd64(uint64_t a, uint64_t b, uint64_t d, float_status *s)
+{
+    return float64_muladd(d, b, a, 0, s);
+}
+
+RVVCALL(OPFVV3, vfmadd_vv_h, OP_UUU_H, H2, H2, H2, fmadd16)
+RVVCALL(OPFVV3, vfmadd_vv_w, OP_UUU_W, H4, H4, H4, fmadd32)
+RVVCALL(OPFVV3, vfmadd_vv_d, OP_UUU_D, H8, H8, H8, fmadd64)
+GEN_VEXT_VV_ENV(vfmadd_vv_h, 2, 2, clearh)
+GEN_VEXT_VV_ENV(vfmadd_vv_w, 4, 4, clearl)
+GEN_VEXT_VV_ENV(vfmadd_vv_d, 8, 8, clearq)
+RVVCALL(OPFVF3, vfmadd_vf_h, OP_UUU_H, H2, H2, fmadd16)
+RVVCALL(OPFVF3, vfmadd_vf_w, OP_UUU_W, H4, H4, fmadd32)
+RVVCALL(OPFVF3, vfmadd_vf_d, OP_UUU_D, H8, H8, fmadd64)
+GEN_VEXT_VF(vfmadd_vf_h, 2, 2, clearh)
+GEN_VEXT_VF(vfmadd_vf_w, 4, 4, clearl)
+GEN_VEXT_VF(vfmadd_vf_d, 8, 8, clearq)
+
+static uint16_t fnmadd16(uint16_t a, uint16_t b, uint16_t d, float_status *s)
+{
+    return float16_muladd(d, b, a,
+            float_muladd_negate_c | float_muladd_negate_product, s);
+}
+
+static uint32_t fnmadd32(uint32_t a, uint32_t b, uint32_t d, float_status *s)
+{
+    return float32_muladd(d, b, a,
+            float_muladd_negate_c | float_muladd_negate_product, s);
+}
+
+static uint64_t fnmadd64(uint64_t a, uint64_t b, uint64_t d, float_status *s)
+{
+    return float64_muladd(d, b, a,
+            float_muladd_negate_c | float_muladd_negate_product, s);
+}
+
+RVVCALL(OPFVV3, vfnmadd_vv_h, OP_UUU_H, H2, H2, H2, fnmadd16)
+RVVCALL(OPFVV3, vfnmadd_vv_w, OP_UUU_W, H4, H4, H4, fnmadd32)
+RVVCALL(OPFVV3, vfnmadd_vv_d, OP_UUU_D, H8, H8, H8, fnmadd64)
+GEN_VEXT_VV_ENV(vfnmadd_vv_h, 2, 2, clearh)
+GEN_VEXT_VV_ENV(vfnmadd_vv_w, 4, 4, clearl)
+GEN_VEXT_VV_ENV(vfnmadd_vv_d, 8, 8, clearq)
+RVVCALL(OPFVF3, vfnmadd_vf_h, OP_UUU_H, H2, H2, fnmadd16)
+RVVCALL(OPFVF3, vfnmadd_vf_w, OP_UUU_W, H4, H4, fnmadd32)
+RVVCALL(OPFVF3, vfnmadd_vf_d, OP_UUU_D, H8, H8, fnmadd64)
+GEN_VEXT_VF(vfnmadd_vf_h, 2, 2, clearh)
+GEN_VEXT_VF(vfnmadd_vf_w, 4, 4, clearl)
+GEN_VEXT_VF(vfnmadd_vf_d, 8, 8, clearq)
+
+static uint16_t fmsub16(uint16_t a, uint16_t b, uint16_t d, float_status *s)
+{
+    return float16_muladd(d, b, a, float_muladd_negate_c, s);
+}
+
+static uint32_t fmsub32(uint32_t a, uint32_t b, uint32_t d, float_status *s)
+{
+    return float32_muladd(d, b, a, float_muladd_negate_c, s);
+}
+
+static uint64_t fmsub64(uint64_t a, uint64_t b, uint64_t d, float_status *s)
+{
+    return float64_muladd(d, b, a, float_muladd_negate_c, s);
+}
+
+RVVCALL(OPFVV3, vfmsub_vv_h, OP_UUU_H, H2, H2, H2, fmsub16)
+RVVCALL(OPFVV3, vfmsub_vv_w, OP_UUU_W, H4, H4, H4, fmsub32)
+RVVCALL(OPFVV3, vfmsub_vv_d, OP_UUU_D, H8, H8, H8, fmsub64)
+GEN_VEXT_VV_ENV(vfmsub_vv_h, 2, 2, clearh)
+GEN_VEXT_VV_ENV(vfmsub_vv_w, 4, 4, clearl)
+GEN_VEXT_VV_ENV(vfmsub_vv_d, 8, 8, clearq)
+RVVCALL(OPFVF3, vfmsub_vf_h, OP_UUU_H, H2, H2, fmsub16)
+RVVCALL(OPFVF3, vfmsub_vf_w, OP_UUU_W, H4, H4, fmsub32)
+RVVCALL(OPFVF3, vfmsub_vf_d, OP_UUU_D, H8, H8, fmsub64)
+GEN_VEXT_VF(vfmsub_vf_h, 2, 2, clearh)
+GEN_VEXT_VF(vfmsub_vf_w, 4, 4, clearl)
+GEN_VEXT_VF(vfmsub_vf_d, 8, 8, clearq)
+
+static uint16_t fnmsub16(uint16_t a, uint16_t b, uint16_t d, float_status *s)
+{
+    return float16_muladd(d, b, a, float_muladd_negate_product, s);
+}
+
+static uint32_t fnmsub32(uint32_t a, uint32_t b, uint32_t d, float_status *s)
+{
+    return float32_muladd(d, b, a, float_muladd_negate_product, s);
+}
+
+static uint64_t fnmsub64(uint64_t a, uint64_t b, uint64_t d, float_status *s)
+{
+    return float64_muladd(d, b, a, float_muladd_negate_product, s);
+}
+
+RVVCALL(OPFVV3, vfnmsub_vv_h, OP_UUU_H, H2, H2, H2, fnmsub16)
+RVVCALL(OPFVV3, vfnmsub_vv_w, OP_UUU_W, H4, H4, H4, fnmsub32)
+RVVCALL(OPFVV3, vfnmsub_vv_d, OP_UUU_D, H8, H8, H8, fnmsub64)
+GEN_VEXT_VV_ENV(vfnmsub_vv_h, 2, 2, clearh)
+GEN_VEXT_VV_ENV(vfnmsub_vv_w, 4, 4, clearl)
+GEN_VEXT_VV_ENV(vfnmsub_vv_d, 8, 8, clearq)
+RVVCALL(OPFVF3, vfnmsub_vf_h, OP_UUU_H, H2, H2, fnmsub16)
+RVVCALL(OPFVF3, vfnmsub_vf_w, OP_UUU_W, H4, H4, fnmsub32)
+RVVCALL(OPFVF3, vfnmsub_vf_d, OP_UUU_D, H8, H8, fnmsub64)
+GEN_VEXT_VF(vfnmsub_vf_h, 2, 2, clearh)
+GEN_VEXT_VF(vfnmsub_vf_w, 4, 4, clearl)
+GEN_VEXT_VF(vfnmsub_vf_d, 8, 8, clearq)