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Re: [PATCH qemu v14 06/15] target/riscv: rvv: Add tail agnostic for vx,
From: |
Alistair Francis |
Subject: |
Re: [PATCH qemu v14 06/15] target/riscv: rvv: Add tail agnostic for vx, vvm, vxm instructions |
Date: |
Tue, 10 May 2022 11:01:27 +0200 |
On Tue, May 3, 2022 at 9:43 AM ~eopxd <eopxd@git.sr.ht> wrote:
>
> From: eopXD <eop.chen@sifive.com>
>
> `vmadc` and `vmsbc` produces a mask value, they always operate with
> a tail agnostic policy.
>
> Signed-off-by: eop Chen <eop.chen@sifive.com>
> Reviewed-by: Frank Chang <frank.chang@sifive.com>
> Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Alistair
> ---
> target/riscv/insn_trans/trans_rvv.c.inc | 29 +++
> target/riscv/internals.h | 5 +-
> target/riscv/vector_helper.c | 314 +++++++++++++-----------
> 3 files changed, 208 insertions(+), 140 deletions(-)
>
> diff --git a/target/riscv/insn_trans/trans_rvv.c.inc
> b/target/riscv/insn_trans/trans_rvv.c.inc
> index 99691f1b9f..d15858fc6f 100644
> --- a/target/riscv/insn_trans/trans_rvv.c.inc
> +++ b/target/riscv/insn_trans/trans_rvv.c.inc
> @@ -1299,6 +1299,8 @@ static bool opivx_trans(uint32_t vd, uint32_t rs1,
> uint32_t vs2, uint32_t vm,
>
> data = FIELD_DP32(data, VDATA, VM, vm);
> data = FIELD_DP32(data, VDATA, LMUL, s->lmul);
> + data = FIELD_DP32(data, VDATA, VTA, s->vta);
> + data = FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s);
> desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlen / 8,
> s->cfg_ptr->vlen / 8, data));
>
> @@ -1335,6 +1337,16 @@ do_opivx_gvec(DisasContext *s, arg_rmrr *a,
> GVecGen2sFn *gvec_fn,
> }
>
> if (a->vm && s->vl_eq_vlmax) {
> + if (s->vta && s->lmul < 0) {
> + /*
> + * tail elements may pass vlmax when lmul < 0
> + * set tail elements to 1s
> + */
> + uint32_t vlenb = s->cfg_ptr->vlen >> 3;
> + tcg_gen_gvec_ori(s->sew, vreg_ofs(s, a->rd),
> + vreg_ofs(s, a->rd), -1,
> + vlenb, vlenb);
> + }
> TCGv_i64 src1 = tcg_temp_new_i64();
>
> tcg_gen_ext_tl_i64(src1, get_gpr(s, a->rs1, EXT_SIGN));
> @@ -1464,6 +1476,8 @@ static bool opivi_trans(uint32_t vd, uint32_t imm,
> uint32_t vs2, uint32_t vm,
>
> data = FIELD_DP32(data, VDATA, VM, vm);
> data = FIELD_DP32(data, VDATA, LMUL, s->lmul);
> + data = FIELD_DP32(data, VDATA, VTA, s->vta);
> + data = FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s);
> desc = tcg_constant_i32(simd_desc(s->cfg_ptr->vlen / 8,
> s->cfg_ptr->vlen / 8, data));
>
> @@ -1493,6 +1507,16 @@ do_opivi_gvec(DisasContext *s, arg_rmrr *a,
> GVecGen2iFn *gvec_fn,
> }
>
> if (a->vm && s->vl_eq_vlmax) {
> + if (s->vta && s->lmul < 0) {
> + /*
> + * tail elements may pass vlmax when lmul < 0
> + * set tail elements to 1s
> + */
> + uint32_t vlenb = s->cfg_ptr->vlen >> 3;
> + tcg_gen_gvec_ori(s->sew, vreg_ofs(s, a->rd),
> + vreg_ofs(s, a->rd), -1,
> + vlenb, vlenb);
> + }
> gvec_fn(s->sew, vreg_ofs(s, a->rd), vreg_ofs(s, a->rs2),
> extract_imm(s, a->rs1, imm_mode), MAXSZ(s), MAXSZ(s));
> mark_vs_dirty(s);
> @@ -1546,6 +1570,7 @@ static bool do_opivv_widen(DisasContext *s, arg_rmrr *a,
>
> data = FIELD_DP32(data, VDATA, VM, a->vm);
> data = FIELD_DP32(data, VDATA, LMUL, s->lmul);
> + data = FIELD_DP32(data, VDATA, VTA, s->vta);
> tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0),
> vreg_ofs(s, a->rs1),
> vreg_ofs(s, a->rs2),
> @@ -1627,6 +1652,7 @@ static bool do_opiwv_widen(DisasContext *s, arg_rmrr *a,
>
> data = FIELD_DP32(data, VDATA, VM, a->vm);
> data = FIELD_DP32(data, VDATA, LMUL, s->lmul);
> + data = FIELD_DP32(data, VDATA, VTA, s->vta);
> tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0),
> vreg_ofs(s, a->rs1),
> vreg_ofs(s, a->rs2),
> @@ -1705,6 +1731,9 @@ static bool trans_##NAME(DisasContext *s, arg_rmrr *a)
> \
> \
> data = FIELD_DP32(data, VDATA, VM, a->vm); \
> data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \
> + data = FIELD_DP32(data, VDATA, VTA, s->vta); \
> + data = \
> + FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s);\
> tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \
> vreg_ofs(s, a->rs1), \
> vreg_ofs(s, a->rs2), cpu_env, \
> diff --git a/target/riscv/internals.h b/target/riscv/internals.h
> index 512c6c30cf..193ce57a6d 100644
> --- a/target/riscv/internals.h
> +++ b/target/riscv/internals.h
> @@ -25,8 +25,9 @@
> FIELD(VDATA, VM, 0, 1)
> FIELD(VDATA, LMUL, 1, 3)
> FIELD(VDATA, VTA, 4, 1)
> -FIELD(VDATA, NF, 5, 4)
> -FIELD(VDATA, WD, 5, 1)
> +FIELD(VDATA, VTA_ALL_1S, 5, 1)
> +FIELD(VDATA, NF, 6, 4)
> +FIELD(VDATA, WD, 6, 1)
>
> /* float point classify helpers */
> target_ulong fclass_h(uint64_t frs1);
> diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
> index f1a0b4ced7..e00f9353b9 100644
> --- a/target/riscv/vector_helper.c
> +++ b/target/riscv/vector_helper.c
> @@ -127,6 +127,11 @@ static inline uint32_t vext_vta(uint32_t desc)
> return FIELD_EX32(simd_data(desc), VDATA, VTA);
> }
>
> +static inline uint32_t vext_vta_all_1s(uint32_t desc)
> +{
> + return FIELD_EX32(simd_data(desc), VDATA, VTA_ALL_1S);
> +}
> +
> /*
> * Get the maximum number of elements can be operated.
> *
> @@ -869,10 +874,12 @@ RVVCALL(OPIVX2, vrsub_vx_d, OP_SSS_D, H8, H8, DO_RSUB)
>
> static void do_vext_vx(void *vd, void *v0, target_long s1, void *vs2,
> CPURISCVState *env, uint32_t desc,
> - opivx2_fn fn)
> + opivx2_fn fn, uint32_t esz)
> {
> uint32_t vm = vext_vm(desc);
> uint32_t vl = env->vl;
> + uint32_t total_elems = vext_get_total_elems(env, desc, esz);
> + uint32_t vta = vext_vta(desc);
> uint32_t i;
>
> for (i = env->vstart; i < vl; i++) {
> @@ -882,30 +889,32 @@ static void do_vext_vx(void *vd, void *v0, target_long
> s1, void *vs2,
> fn(vd, s1, vs2, i);
> }
> env->vstart = 0;
> + /* set tail elements to 1s */
> + vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz);
> }
>
> /* generate the helpers for OPIVX */
> -#define GEN_VEXT_VX(NAME) \
> +#define GEN_VEXT_VX(NAME, ESZ) \
> void HELPER(NAME)(void *vd, void *v0, target_ulong s1, \
> void *vs2, CPURISCVState *env, \
> uint32_t desc) \
> { \
> do_vext_vx(vd, v0, s1, vs2, env, desc, \
> - do_##NAME); \
> -}
> -
> -GEN_VEXT_VX(vadd_vx_b)
> -GEN_VEXT_VX(vadd_vx_h)
> -GEN_VEXT_VX(vadd_vx_w)
> -GEN_VEXT_VX(vadd_vx_d)
> -GEN_VEXT_VX(vsub_vx_b)
> -GEN_VEXT_VX(vsub_vx_h)
> -GEN_VEXT_VX(vsub_vx_w)
> -GEN_VEXT_VX(vsub_vx_d)
> -GEN_VEXT_VX(vrsub_vx_b)
> -GEN_VEXT_VX(vrsub_vx_h)
> -GEN_VEXT_VX(vrsub_vx_w)
> -GEN_VEXT_VX(vrsub_vx_d)
> + do_##NAME, ESZ); \
> +}
> +
> +GEN_VEXT_VX(vadd_vx_b, 1)
> +GEN_VEXT_VX(vadd_vx_h, 2)
> +GEN_VEXT_VX(vadd_vx_w, 4)
> +GEN_VEXT_VX(vadd_vx_d, 8)
> +GEN_VEXT_VX(vsub_vx_b, 1)
> +GEN_VEXT_VX(vsub_vx_h, 2)
> +GEN_VEXT_VX(vsub_vx_w, 4)
> +GEN_VEXT_VX(vsub_vx_d, 8)
> +GEN_VEXT_VX(vrsub_vx_b, 1)
> +GEN_VEXT_VX(vrsub_vx_h, 2)
> +GEN_VEXT_VX(vrsub_vx_w, 4)
> +GEN_VEXT_VX(vrsub_vx_d, 8)
>
> void HELPER(vec_rsubs8)(void *d, void *a, uint64_t b, uint32_t desc)
> {
> @@ -1033,30 +1042,30 @@ RVVCALL(OPIVX2, vwadd_wx_w, WOP_WSSS_W, H8, H4,
> DO_ADD)
> RVVCALL(OPIVX2, vwsub_wx_b, WOP_WSSS_B, H2, H1, DO_SUB)
> RVVCALL(OPIVX2, vwsub_wx_h, WOP_WSSS_H, H4, H2, DO_SUB)
> RVVCALL(OPIVX2, vwsub_wx_w, WOP_WSSS_W, H8, H4, DO_SUB)
> -GEN_VEXT_VX(vwaddu_vx_b)
> -GEN_VEXT_VX(vwaddu_vx_h)
> -GEN_VEXT_VX(vwaddu_vx_w)
> -GEN_VEXT_VX(vwsubu_vx_b)
> -GEN_VEXT_VX(vwsubu_vx_h)
> -GEN_VEXT_VX(vwsubu_vx_w)
> -GEN_VEXT_VX(vwadd_vx_b)
> -GEN_VEXT_VX(vwadd_vx_h)
> -GEN_VEXT_VX(vwadd_vx_w)
> -GEN_VEXT_VX(vwsub_vx_b)
> -GEN_VEXT_VX(vwsub_vx_h)
> -GEN_VEXT_VX(vwsub_vx_w)
> -GEN_VEXT_VX(vwaddu_wx_b)
> -GEN_VEXT_VX(vwaddu_wx_h)
> -GEN_VEXT_VX(vwaddu_wx_w)
> -GEN_VEXT_VX(vwsubu_wx_b)
> -GEN_VEXT_VX(vwsubu_wx_h)
> -GEN_VEXT_VX(vwsubu_wx_w)
> -GEN_VEXT_VX(vwadd_wx_b)
> -GEN_VEXT_VX(vwadd_wx_h)
> -GEN_VEXT_VX(vwadd_wx_w)
> -GEN_VEXT_VX(vwsub_wx_b)
> -GEN_VEXT_VX(vwsub_wx_h)
> -GEN_VEXT_VX(vwsub_wx_w)
> +GEN_VEXT_VX(vwaddu_vx_b, 2)
> +GEN_VEXT_VX(vwaddu_vx_h, 4)
> +GEN_VEXT_VX(vwaddu_vx_w, 8)
> +GEN_VEXT_VX(vwsubu_vx_b, 2)
> +GEN_VEXT_VX(vwsubu_vx_h, 4)
> +GEN_VEXT_VX(vwsubu_vx_w, 8)
> +GEN_VEXT_VX(vwadd_vx_b, 2)
> +GEN_VEXT_VX(vwadd_vx_h, 4)
> +GEN_VEXT_VX(vwadd_vx_w, 8)
> +GEN_VEXT_VX(vwsub_vx_b, 2)
> +GEN_VEXT_VX(vwsub_vx_h, 4)
> +GEN_VEXT_VX(vwsub_vx_w, 8)
> +GEN_VEXT_VX(vwaddu_wx_b, 2)
> +GEN_VEXT_VX(vwaddu_wx_h, 4)
> +GEN_VEXT_VX(vwaddu_wx_w, 8)
> +GEN_VEXT_VX(vwsubu_wx_b, 2)
> +GEN_VEXT_VX(vwsubu_wx_h, 4)
> +GEN_VEXT_VX(vwsubu_wx_w, 8)
> +GEN_VEXT_VX(vwadd_wx_b, 2)
> +GEN_VEXT_VX(vwadd_wx_h, 4)
> +GEN_VEXT_VX(vwadd_wx_w, 8)
> +GEN_VEXT_VX(vwsub_wx_b, 2)
> +GEN_VEXT_VX(vwsub_wx_h, 4)
> +GEN_VEXT_VX(vwsub_wx_w, 8)
>
> /* Vector Integer Add-with-Carry / Subtract-with-Borrow Instructions */
> #define DO_VADC(N, M, C) (N + M + C)
> @@ -1067,6 +1076,10 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void
> *vs2, \
> CPURISCVState *env, uint32_t desc) \
> { \
> uint32_t vl = env->vl; \
> + uint32_t esz = sizeof(ETYPE); \
> + uint32_t total_elems = \
> + vext_get_total_elems(env, desc, esz); \
> + uint32_t vta = vext_vta(desc); \
> uint32_t i; \
> \
> for (i = env->vstart; i < vl; i++) { \
> @@ -1077,6 +1090,8 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void
> *vs2, \
> *((ETYPE *)vd + H(i)) = DO_OP(s2, s1, carry); \
> } \
> env->vstart = 0; \
> + /* set tail elements to 1s */ \
> + vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz); \
> }
>
> GEN_VEXT_VADC_VVM(vadc_vvm_b, uint8_t, H1, DO_VADC)
> @@ -1094,6 +1109,9 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1,
> void *vs2, \
> CPURISCVState *env, uint32_t desc) \
> { \
> uint32_t vl = env->vl; \
> + uint32_t esz = sizeof(ETYPE); \
> + uint32_t total_elems = vext_get_total_elems(env, desc, esz); \
> + uint32_t vta = vext_vta(desc); \
> uint32_t i; \
> \
> for (i = env->vstart; i < vl; i++) { \
> @@ -1103,6 +1121,8 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1,
> void *vs2, \
> *((ETYPE *)vd + H(i)) = DO_OP(s2, (ETYPE)(target_long)s1, carry);\
> } \
> env->vstart = 0; \
> + /* set tail elements to 1s */ \
> + vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz); \
> }
>
> GEN_VEXT_VADC_VXM(vadc_vxm_b, uint8_t, H1, DO_VADC)
> @@ -1125,6 +1145,8 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void
> *vs2, \
> { \
> uint32_t vl = env->vl; \
> uint32_t vm = vext_vm(desc); \
> + uint32_t total_elems = env_archcpu(env)->cfg.vlen; \
> + uint32_t vta_all_1s = vext_vta_all_1s(desc); \
> uint32_t i; \
> \
> for (i = env->vstart; i < vl; i++) { \
> @@ -1134,6 +1156,13 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void
> *vs2, \
> vext_set_elem_mask(vd, i, DO_OP(s2, s1, carry)); \
> } \
> env->vstart = 0; \
> + /* mask destination register are always tail-agnostic */ \
> + /* set tail elements to 1s */ \
> + if (vta_all_1s) { \
> + for (; i < total_elems; i++) { \
> + vext_set_elem_mask(vd, i, 1); \
> + } \
> + } \
> }
>
> GEN_VEXT_VMADC_VVM(vmadc_vvm_b, uint8_t, H1, DO_MADC)
> @@ -1152,6 +1181,8 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1,
> \
> { \
> uint32_t vl = env->vl; \
> uint32_t vm = vext_vm(desc); \
> + uint32_t total_elems = env_archcpu(env)->cfg.vlen; \
> + uint32_t vta_all_1s = vext_vta_all_1s(desc); \
> uint32_t i; \
> \
> for (i = env->vstart; i < vl; i++) { \
> @@ -1161,6 +1192,13 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1,
> \
> DO_OP(s2, (ETYPE)(target_long)s1, carry)); \
> } \
> env->vstart = 0; \
> + /* mask destination register are always tail-agnostic */ \
> + /* set tail elements to 1s */ \
> + if (vta_all_1s) { \
> + for (; i < total_elems; i++) { \
> + vext_set_elem_mask(vd, i, 1); \
> + } \
> + } \
> }
>
> GEN_VEXT_VMADC_VXM(vmadc_vxm_b, uint8_t, H1, DO_MADC)
> @@ -1211,18 +1249,18 @@ RVVCALL(OPIVX2, vxor_vx_b, OP_SSS_B, H1, H1, DO_XOR)
> RVVCALL(OPIVX2, vxor_vx_h, OP_SSS_H, H2, H2, DO_XOR)
> RVVCALL(OPIVX2, vxor_vx_w, OP_SSS_W, H4, H4, DO_XOR)
> RVVCALL(OPIVX2, vxor_vx_d, OP_SSS_D, H8, H8, DO_XOR)
> -GEN_VEXT_VX(vand_vx_b)
> -GEN_VEXT_VX(vand_vx_h)
> -GEN_VEXT_VX(vand_vx_w)
> -GEN_VEXT_VX(vand_vx_d)
> -GEN_VEXT_VX(vor_vx_b)
> -GEN_VEXT_VX(vor_vx_h)
> -GEN_VEXT_VX(vor_vx_w)
> -GEN_VEXT_VX(vor_vx_d)
> -GEN_VEXT_VX(vxor_vx_b)
> -GEN_VEXT_VX(vxor_vx_h)
> -GEN_VEXT_VX(vxor_vx_w)
> -GEN_VEXT_VX(vxor_vx_d)
> +GEN_VEXT_VX(vand_vx_b, 1)
> +GEN_VEXT_VX(vand_vx_h, 2)
> +GEN_VEXT_VX(vand_vx_w, 4)
> +GEN_VEXT_VX(vand_vx_d, 8)
> +GEN_VEXT_VX(vor_vx_b, 1)
> +GEN_VEXT_VX(vor_vx_h, 2)
> +GEN_VEXT_VX(vor_vx_w, 4)
> +GEN_VEXT_VX(vor_vx_d, 8)
> +GEN_VEXT_VX(vxor_vx_b, 1)
> +GEN_VEXT_VX(vxor_vx_h, 2)
> +GEN_VEXT_VX(vxor_vx_w, 4)
> +GEN_VEXT_VX(vxor_vx_d, 8)
>
> /* Vector Single-Width Bit Shift Instructions */
> #define DO_SLL(N, M) (N << (M))
> @@ -1476,22 +1514,22 @@ RVVCALL(OPIVX2, vmax_vx_b, OP_SSS_B, H1, H1, DO_MAX)
> RVVCALL(OPIVX2, vmax_vx_h, OP_SSS_H, H2, H2, DO_MAX)
> RVVCALL(OPIVX2, vmax_vx_w, OP_SSS_W, H4, H4, DO_MAX)
> RVVCALL(OPIVX2, vmax_vx_d, OP_SSS_D, H8, H8, DO_MAX)
> -GEN_VEXT_VX(vminu_vx_b)
> -GEN_VEXT_VX(vminu_vx_h)
> -GEN_VEXT_VX(vminu_vx_w)
> -GEN_VEXT_VX(vminu_vx_d)
> -GEN_VEXT_VX(vmin_vx_b)
> -GEN_VEXT_VX(vmin_vx_h)
> -GEN_VEXT_VX(vmin_vx_w)
> -GEN_VEXT_VX(vmin_vx_d)
> -GEN_VEXT_VX(vmaxu_vx_b)
> -GEN_VEXT_VX(vmaxu_vx_h)
> -GEN_VEXT_VX(vmaxu_vx_w)
> -GEN_VEXT_VX(vmaxu_vx_d)
> -GEN_VEXT_VX(vmax_vx_b)
> -GEN_VEXT_VX(vmax_vx_h)
> -GEN_VEXT_VX(vmax_vx_w)
> -GEN_VEXT_VX(vmax_vx_d)
> +GEN_VEXT_VX(vminu_vx_b, 1)
> +GEN_VEXT_VX(vminu_vx_h, 2)
> +GEN_VEXT_VX(vminu_vx_w, 4)
> +GEN_VEXT_VX(vminu_vx_d, 8)
> +GEN_VEXT_VX(vmin_vx_b, 1)
> +GEN_VEXT_VX(vmin_vx_h, 2)
> +GEN_VEXT_VX(vmin_vx_w, 4)
> +GEN_VEXT_VX(vmin_vx_d, 8)
> +GEN_VEXT_VX(vmaxu_vx_b, 1)
> +GEN_VEXT_VX(vmaxu_vx_h, 2)
> +GEN_VEXT_VX(vmaxu_vx_w, 4)
> +GEN_VEXT_VX(vmaxu_vx_d, 8)
> +GEN_VEXT_VX(vmax_vx_b, 1)
> +GEN_VEXT_VX(vmax_vx_h, 2)
> +GEN_VEXT_VX(vmax_vx_w, 4)
> +GEN_VEXT_VX(vmax_vx_d, 8)
>
> /* Vector Single-Width Integer Multiply Instructions */
> #define DO_MUL(N, M) (N * M)
> @@ -1635,22 +1673,22 @@ RVVCALL(OPIVX2, vmulhsu_vx_b, OP_SUS_B, H1, H1,
> do_mulhsu_b)
> RVVCALL(OPIVX2, vmulhsu_vx_h, OP_SUS_H, H2, H2, do_mulhsu_h)
> RVVCALL(OPIVX2, vmulhsu_vx_w, OP_SUS_W, H4, H4, do_mulhsu_w)
> RVVCALL(OPIVX2, vmulhsu_vx_d, OP_SUS_D, H8, H8, do_mulhsu_d)
> -GEN_VEXT_VX(vmul_vx_b)
> -GEN_VEXT_VX(vmul_vx_h)
> -GEN_VEXT_VX(vmul_vx_w)
> -GEN_VEXT_VX(vmul_vx_d)
> -GEN_VEXT_VX(vmulh_vx_b)
> -GEN_VEXT_VX(vmulh_vx_h)
> -GEN_VEXT_VX(vmulh_vx_w)
> -GEN_VEXT_VX(vmulh_vx_d)
> -GEN_VEXT_VX(vmulhu_vx_b)
> -GEN_VEXT_VX(vmulhu_vx_h)
> -GEN_VEXT_VX(vmulhu_vx_w)
> -GEN_VEXT_VX(vmulhu_vx_d)
> -GEN_VEXT_VX(vmulhsu_vx_b)
> -GEN_VEXT_VX(vmulhsu_vx_h)
> -GEN_VEXT_VX(vmulhsu_vx_w)
> -GEN_VEXT_VX(vmulhsu_vx_d)
> +GEN_VEXT_VX(vmul_vx_b, 1)
> +GEN_VEXT_VX(vmul_vx_h, 2)
> +GEN_VEXT_VX(vmul_vx_w, 4)
> +GEN_VEXT_VX(vmul_vx_d, 8)
> +GEN_VEXT_VX(vmulh_vx_b, 1)
> +GEN_VEXT_VX(vmulh_vx_h, 2)
> +GEN_VEXT_VX(vmulh_vx_w, 4)
> +GEN_VEXT_VX(vmulh_vx_d, 8)
> +GEN_VEXT_VX(vmulhu_vx_b, 1)
> +GEN_VEXT_VX(vmulhu_vx_h, 2)
> +GEN_VEXT_VX(vmulhu_vx_w, 4)
> +GEN_VEXT_VX(vmulhu_vx_d, 8)
> +GEN_VEXT_VX(vmulhsu_vx_b, 1)
> +GEN_VEXT_VX(vmulhsu_vx_h, 2)
> +GEN_VEXT_VX(vmulhsu_vx_w, 4)
> +GEN_VEXT_VX(vmulhsu_vx_d, 8)
>
> /* Vector Integer Divide Instructions */
> #define DO_DIVU(N, M) (unlikely(M == 0) ? (__typeof(N))(-1) : N / M)
> @@ -1709,22 +1747,22 @@ RVVCALL(OPIVX2, vrem_vx_b, OP_SSS_B, H1, H1, DO_REM)
> RVVCALL(OPIVX2, vrem_vx_h, OP_SSS_H, H2, H2, DO_REM)
> RVVCALL(OPIVX2, vrem_vx_w, OP_SSS_W, H4, H4, DO_REM)
> RVVCALL(OPIVX2, vrem_vx_d, OP_SSS_D, H8, H8, DO_REM)
> -GEN_VEXT_VX(vdivu_vx_b)
> -GEN_VEXT_VX(vdivu_vx_h)
> -GEN_VEXT_VX(vdivu_vx_w)
> -GEN_VEXT_VX(vdivu_vx_d)
> -GEN_VEXT_VX(vdiv_vx_b)
> -GEN_VEXT_VX(vdiv_vx_h)
> -GEN_VEXT_VX(vdiv_vx_w)
> -GEN_VEXT_VX(vdiv_vx_d)
> -GEN_VEXT_VX(vremu_vx_b)
> -GEN_VEXT_VX(vremu_vx_h)
> -GEN_VEXT_VX(vremu_vx_w)
> -GEN_VEXT_VX(vremu_vx_d)
> -GEN_VEXT_VX(vrem_vx_b)
> -GEN_VEXT_VX(vrem_vx_h)
> -GEN_VEXT_VX(vrem_vx_w)
> -GEN_VEXT_VX(vrem_vx_d)
> +GEN_VEXT_VX(vdivu_vx_b, 1)
> +GEN_VEXT_VX(vdivu_vx_h, 2)
> +GEN_VEXT_VX(vdivu_vx_w, 4)
> +GEN_VEXT_VX(vdivu_vx_d, 8)
> +GEN_VEXT_VX(vdiv_vx_b, 1)
> +GEN_VEXT_VX(vdiv_vx_h, 2)
> +GEN_VEXT_VX(vdiv_vx_w, 4)
> +GEN_VEXT_VX(vdiv_vx_d, 8)
> +GEN_VEXT_VX(vremu_vx_b, 1)
> +GEN_VEXT_VX(vremu_vx_h, 2)
> +GEN_VEXT_VX(vremu_vx_w, 4)
> +GEN_VEXT_VX(vremu_vx_d, 8)
> +GEN_VEXT_VX(vrem_vx_b, 1)
> +GEN_VEXT_VX(vrem_vx_h, 2)
> +GEN_VEXT_VX(vrem_vx_w, 4)
> +GEN_VEXT_VX(vrem_vx_d, 8)
>
> /* Vector Widening Integer Multiply Instructions */
> RVVCALL(OPIVV2, vwmul_vv_b, WOP_SSS_B, H2, H1, H1, DO_MUL)
> @@ -1755,15 +1793,15 @@ RVVCALL(OPIVX2, vwmulu_vx_w, WOP_UUU_W, H8, H4,
> DO_MUL)
> RVVCALL(OPIVX2, vwmulsu_vx_b, WOP_SUS_B, H2, H1, DO_MUL)
> RVVCALL(OPIVX2, vwmulsu_vx_h, WOP_SUS_H, H4, H2, DO_MUL)
> RVVCALL(OPIVX2, vwmulsu_vx_w, WOP_SUS_W, H8, H4, DO_MUL)
> -GEN_VEXT_VX(vwmul_vx_b)
> -GEN_VEXT_VX(vwmul_vx_h)
> -GEN_VEXT_VX(vwmul_vx_w)
> -GEN_VEXT_VX(vwmulu_vx_b)
> -GEN_VEXT_VX(vwmulu_vx_h)
> -GEN_VEXT_VX(vwmulu_vx_w)
> -GEN_VEXT_VX(vwmulsu_vx_b)
> -GEN_VEXT_VX(vwmulsu_vx_h)
> -GEN_VEXT_VX(vwmulsu_vx_w)
> +GEN_VEXT_VX(vwmul_vx_b, 2)
> +GEN_VEXT_VX(vwmul_vx_h, 4)
> +GEN_VEXT_VX(vwmul_vx_w, 8)
> +GEN_VEXT_VX(vwmulu_vx_b, 2)
> +GEN_VEXT_VX(vwmulu_vx_h, 4)
> +GEN_VEXT_VX(vwmulu_vx_w, 8)
> +GEN_VEXT_VX(vwmulsu_vx_b, 2)
> +GEN_VEXT_VX(vwmulsu_vx_h, 4)
> +GEN_VEXT_VX(vwmulsu_vx_w, 8)
>
> /* Vector Single-Width Integer Multiply-Add Instructions */
> #define OPIVV3(NAME, TD, T1, T2, TX1, TX2, HD, HS1, HS2, OP) \
> @@ -1836,22 +1874,22 @@ RVVCALL(OPIVX3, vnmsub_vx_b, OP_SSS_B, H1, H1,
> DO_NMSUB)
> RVVCALL(OPIVX3, vnmsub_vx_h, OP_SSS_H, H2, H2, DO_NMSUB)
> RVVCALL(OPIVX3, vnmsub_vx_w, OP_SSS_W, H4, H4, DO_NMSUB)
> RVVCALL(OPIVX3, vnmsub_vx_d, OP_SSS_D, H8, H8, DO_NMSUB)
> -GEN_VEXT_VX(vmacc_vx_b)
> -GEN_VEXT_VX(vmacc_vx_h)
> -GEN_VEXT_VX(vmacc_vx_w)
> -GEN_VEXT_VX(vmacc_vx_d)
> -GEN_VEXT_VX(vnmsac_vx_b)
> -GEN_VEXT_VX(vnmsac_vx_h)
> -GEN_VEXT_VX(vnmsac_vx_w)
> -GEN_VEXT_VX(vnmsac_vx_d)
> -GEN_VEXT_VX(vmadd_vx_b)
> -GEN_VEXT_VX(vmadd_vx_h)
> -GEN_VEXT_VX(vmadd_vx_w)
> -GEN_VEXT_VX(vmadd_vx_d)
> -GEN_VEXT_VX(vnmsub_vx_b)
> -GEN_VEXT_VX(vnmsub_vx_h)
> -GEN_VEXT_VX(vnmsub_vx_w)
> -GEN_VEXT_VX(vnmsub_vx_d)
> +GEN_VEXT_VX(vmacc_vx_b, 1)
> +GEN_VEXT_VX(vmacc_vx_h, 2)
> +GEN_VEXT_VX(vmacc_vx_w, 4)
> +GEN_VEXT_VX(vmacc_vx_d, 8)
> +GEN_VEXT_VX(vnmsac_vx_b, 1)
> +GEN_VEXT_VX(vnmsac_vx_h, 2)
> +GEN_VEXT_VX(vnmsac_vx_w, 4)
> +GEN_VEXT_VX(vnmsac_vx_d, 8)
> +GEN_VEXT_VX(vmadd_vx_b, 1)
> +GEN_VEXT_VX(vmadd_vx_h, 2)
> +GEN_VEXT_VX(vmadd_vx_w, 4)
> +GEN_VEXT_VX(vmadd_vx_d, 8)
> +GEN_VEXT_VX(vnmsub_vx_b, 1)
> +GEN_VEXT_VX(vnmsub_vx_h, 2)
> +GEN_VEXT_VX(vnmsub_vx_w, 4)
> +GEN_VEXT_VX(vnmsub_vx_d, 8)
>
> /* Vector Widening Integer Multiply-Add Instructions */
> RVVCALL(OPIVV3, vwmaccu_vv_b, WOP_UUU_B, H2, H1, H1, DO_MACC)
> @@ -1885,18 +1923,18 @@ RVVCALL(OPIVX3, vwmaccsu_vx_w, WOP_SSU_W, H8, H4,
> DO_MACC)
> RVVCALL(OPIVX3, vwmaccus_vx_b, WOP_SUS_B, H2, H1, DO_MACC)
> RVVCALL(OPIVX3, vwmaccus_vx_h, WOP_SUS_H, H4, H2, DO_MACC)
> RVVCALL(OPIVX3, vwmaccus_vx_w, WOP_SUS_W, H8, H4, DO_MACC)
> -GEN_VEXT_VX(vwmaccu_vx_b)
> -GEN_VEXT_VX(vwmaccu_vx_h)
> -GEN_VEXT_VX(vwmaccu_vx_w)
> -GEN_VEXT_VX(vwmacc_vx_b)
> -GEN_VEXT_VX(vwmacc_vx_h)
> -GEN_VEXT_VX(vwmacc_vx_w)
> -GEN_VEXT_VX(vwmaccsu_vx_b)
> -GEN_VEXT_VX(vwmaccsu_vx_h)
> -GEN_VEXT_VX(vwmaccsu_vx_w)
> -GEN_VEXT_VX(vwmaccus_vx_b)
> -GEN_VEXT_VX(vwmaccus_vx_h)
> -GEN_VEXT_VX(vwmaccus_vx_w)
> +GEN_VEXT_VX(vwmaccu_vx_b, 2)
> +GEN_VEXT_VX(vwmaccu_vx_h, 4)
> +GEN_VEXT_VX(vwmaccu_vx_w, 8)
> +GEN_VEXT_VX(vwmacc_vx_b, 2)
> +GEN_VEXT_VX(vwmacc_vx_h, 4)
> +GEN_VEXT_VX(vwmacc_vx_w, 8)
> +GEN_VEXT_VX(vwmaccsu_vx_b, 2)
> +GEN_VEXT_VX(vwmaccsu_vx_h, 4)
> +GEN_VEXT_VX(vwmaccsu_vx_w, 8)
> +GEN_VEXT_VX(vwmaccus_vx_b, 2)
> +GEN_VEXT_VX(vwmaccus_vx_h, 4)
> +GEN_VEXT_VX(vwmaccus_vx_w, 8)
>
> /* Vector Integer Merge and Move Instructions */
> #define GEN_VEXT_VMV_VV(NAME, ETYPE, H) \
> --
> 2.34.2
>
>
- [PATCH qemu v14 04/15] target/riscv: rvv: Add tail agnostic for vv instructions, (continued)
- [PATCH qemu v14 04/15] target/riscv: rvv: Add tail agnostic for vv instructions, ~eopxd, 2022/05/03
- [PATCH qemu v14 01/15] target/riscv: rvv: Prune redundant ESZ, DSZ parameter passed, ~eopxd, 2022/05/03
- [PATCH qemu v14 07/15] target/riscv: rvv: Add tail agnostic for vector integer shift instructions, ~eopxd, 2022/05/03
- [PATCH qemu v14 05/15] target/riscv: rvv: Add tail agnostic for vector load / store instructions, ~eopxd, 2022/05/03
- [PATCH qemu v14 08/15] target/riscv: rvv: Add tail agnostic for vector integer comparison instructions, ~eopxd, 2022/05/03
- [PATCH qemu v14 06/15] target/riscv: rvv: Add tail agnostic for vx, vvm, vxm instructions, ~eopxd, 2022/05/03
- Re: [PATCH qemu v14 06/15] target/riscv: rvv: Add tail agnostic for vx, vvm, vxm instructions,
Alistair Francis <=
- [PATCH qemu v14 12/15] target/riscv: rvv: Add tail agnostic for vector reduction instructions, ~eopxd, 2022/05/03
- [PATCH qemu v14 10/15] target/riscv: rvv: Add tail agnostic for vector fix-point arithmetic instructions, ~eopxd, 2022/05/03
- [PATCH qemu v14 14/15] target/riscv: rvv: Add tail agnostic for vector permutation instructions, ~eopxd, 2022/05/03
- [PATCH qemu v14 15/15] target/riscv: rvv: Add option 'rvv_ta_all_1s' to enable optional tail agnostic behavior, ~eopxd, 2022/05/03
- [PATCH qemu v14 13/15] target/riscv: rvv: Add tail agnostic for vector mask instructions, ~eopxd, 2022/05/03