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target/riscv: vector single-width floating-point multiply/divide 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: <20200701152549.1218-33-zhiwei_liu@c-sky.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
LIU Zhiwei 2020-07-01 23:25:20 +08:00 committed by Alistair Francis
parent eeffab2ec1
commit 0e0057cbe2
4 changed files with 77 additions and 0 deletions
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16
target/riscv/helper.h
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@ -836,3 +836,19 @@ DEF_HELPER_6(vfwadd_wf_h, void, ptr, ptr, i64, ptr, env, i32)
DEF_HELPER_6(vfwadd_wf_w, void, ptr, ptr, i64, ptr, env, i32)
DEF_HELPER_6(vfwsub_wf_h, void, ptr, ptr, i64, ptr, env, i32)
DEF_HELPER_6(vfwsub_wf_w, void, ptr, ptr, i64, ptr, env, i32)
DEF_HELPER_6(vfmul_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vfmul_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vfmul_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vfdiv_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vfdiv_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vfdiv_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
DEF_HELPER_6(vfmul_vf_h, void, ptr, ptr, i64, ptr, env, i32)
DEF_HELPER_6(vfmul_vf_w, void, ptr, ptr, i64, ptr, env, i32)
DEF_HELPER_6(vfmul_vf_d, void, ptr, ptr, i64, ptr, env, i32)
DEF_HELPER_6(vfdiv_vf_h, void, ptr, ptr, i64, ptr, env, i32)
DEF_HELPER_6(vfdiv_vf_w, void, ptr, ptr, i64, ptr, env, i32)
DEF_HELPER_6(vfdiv_vf_d, void, ptr, ptr, i64, ptr, env, i32)
DEF_HELPER_6(vfrdiv_vf_h, void, ptr, ptr, i64, ptr, env, i32)
DEF_HELPER_6(vfrdiv_vf_w, void, ptr, ptr, i64, ptr, env, i32)
DEF_HELPER_6(vfrdiv_vf_d, void, ptr, ptr, i64, ptr, env, i32)

5
target/riscv/insn32.decode
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@ -458,6 +458,11 @@ vfwsub_vv 110010 . ..... ..... 001 ..... 1010111 @r_vm
vfwsub_vf 110010 . ..... ..... 101 ..... 1010111 @r_vm
vfwsub_wv 110110 . ..... ..... 001 ..... 1010111 @r_vm
vfwsub_wf 110110 . ..... ..... 101 ..... 1010111 @r_vm
vfmul_vv 100100 . ..... ..... 001 ..... 1010111 @r_vm
vfmul_vf 100100 . ..... ..... 101 ..... 1010111 @r_vm
vfdiv_vv 100000 . ..... ..... 001 ..... 1010111 @r_vm
vfdiv_vf 100000 . ..... ..... 101 ..... 1010111 @r_vm
vfrdiv_vf 100001 . ..... ..... 101 ..... 1010111 @r_vm
vsetvli 0 ........... ..... 111 ..... 1010111 @r2_zimm
vsetvl 1000000 ..... ..... 111 ..... 1010111 @r

7
target/riscv/insn_trans/trans_rvv.inc.c
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@ -2050,3 +2050,10 @@ static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \
GEN_OPFWF_WIDEN_TRANS(vfwadd_wf)
GEN_OPFWF_WIDEN_TRANS(vfwsub_wf)
/* Vector Single-Width Floating-Point Multiply/Divide Instructions */
GEN_OPFVV_TRANS(vfmul_vv, opfvv_check)
GEN_OPFVV_TRANS(vfdiv_vv, opfvv_check)
GEN_OPFVF_TRANS(vfmul_vf, opfvf_check)
GEN_OPFVF_TRANS(vfdiv_vf, opfvf_check)
GEN_OPFVF_TRANS(vfrdiv_vf, opfvf_check)

49
target/riscv/vector_helper.c
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@ -3361,3 +3361,52 @@ RVVCALL(OPFVF2, vfwsub_wf_h, WOP_WUUU_H, H4, H2, vfwsubw16)
RVVCALL(OPFVF2, vfwsub_wf_w, WOP_WUUU_W, H8, H4, vfwsubw32)
GEN_VEXT_VF(vfwsub_wf_h, 2, 4, clearl)
GEN_VEXT_VF(vfwsub_wf_w, 4, 8, clearq)
/* Vector Single-Width Floating-Point Multiply/Divide Instructions */
RVVCALL(OPFVV2, vfmul_vv_h, OP_UUU_H, H2, H2, H2, float16_mul)
RVVCALL(OPFVV2, vfmul_vv_w, OP_UUU_W, H4, H4, H4, float32_mul)
RVVCALL(OPFVV2, vfmul_vv_d, OP_UUU_D, H8, H8, H8, float64_mul)
GEN_VEXT_VV_ENV(vfmul_vv_h, 2, 2, clearh)
GEN_VEXT_VV_ENV(vfmul_vv_w, 4, 4, clearl)
GEN_VEXT_VV_ENV(vfmul_vv_d, 8, 8, clearq)
RVVCALL(OPFVF2, vfmul_vf_h, OP_UUU_H, H2, H2, float16_mul)
RVVCALL(OPFVF2, vfmul_vf_w, OP_UUU_W, H4, H4, float32_mul)
RVVCALL(OPFVF2, vfmul_vf_d, OP_UUU_D, H8, H8, float64_mul)
GEN_VEXT_VF(vfmul_vf_h, 2, 2, clearh)
GEN_VEXT_VF(vfmul_vf_w, 4, 4, clearl)
GEN_VEXT_VF(vfmul_vf_d, 8, 8, clearq)
RVVCALL(OPFVV2, vfdiv_vv_h, OP_UUU_H, H2, H2, H2, float16_div)
RVVCALL(OPFVV2, vfdiv_vv_w, OP_UUU_W, H4, H4, H4, float32_div)
RVVCALL(OPFVV2, vfdiv_vv_d, OP_UUU_D, H8, H8, H8, float64_div)
GEN_VEXT_VV_ENV(vfdiv_vv_h, 2, 2, clearh)
GEN_VEXT_VV_ENV(vfdiv_vv_w, 4, 4, clearl)
GEN_VEXT_VV_ENV(vfdiv_vv_d, 8, 8, clearq)
RVVCALL(OPFVF2, vfdiv_vf_h, OP_UUU_H, H2, H2, float16_div)
RVVCALL(OPFVF2, vfdiv_vf_w, OP_UUU_W, H4, H4, float32_div)
RVVCALL(OPFVF2, vfdiv_vf_d, OP_UUU_D, H8, H8, float64_div)
GEN_VEXT_VF(vfdiv_vf_h, 2, 2, clearh)
GEN_VEXT_VF(vfdiv_vf_w, 4, 4, clearl)
GEN_VEXT_VF(vfdiv_vf_d, 8, 8, clearq)
static uint16_t float16_rdiv(uint16_t a, uint16_t b, float_status *s)
{
return float16_div(b, a, s);
}
static uint32_t float32_rdiv(uint32_t a, uint32_t b, float_status *s)
{
return float32_div(b, a, s);
}
static uint64_t float64_rdiv(uint64_t a, uint64_t b, float_status *s)
{
return float64_div(b, a, s);
}
RVVCALL(OPFVF2, vfrdiv_vf_h, OP_UUU_H, H2, H2, float16_rdiv)
RVVCALL(OPFVF2, vfrdiv_vf_w, OP_UUU_W, H4, H4, float32_rdiv)
RVVCALL(OPFVF2, vfrdiv_vf_d, OP_UUU_D, H8, H8, float64_rdiv)
GEN_VEXT_VF(vfrdiv_vf_h, 2, 2, clearh)
GEN_VEXT_VF(vfrdiv_vf_w, 4, 4, clearl)
GEN_VEXT_VF(vfrdiv_vf_d, 8, 8, clearq)