target/riscv: rvv: Add tail agnostic for vector permutation instructions
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> Message-Id: <165449614532.19704.7000832880482980398-15@git.sr.ht> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
eopXD
Alistair Francis
parent
acc6ffd482
commit
803963f7cb
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@ -3669,7 +3669,7 @@ static bool trans_vrgather_vx(DisasContext *s, arg_rmrr *a)
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return false;
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}
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if (a->vm && s->vl_eq_vlmax) {
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if (a->vm && s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) {
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int scale = s->lmul - (s->sew + 3);
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int vlmax = s->cfg_ptr->vlen >> -scale;
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TCGv_i64 dest = tcg_temp_new_i64();
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@ -3701,7 +3701,7 @@ static bool trans_vrgather_vi(DisasContext *s, arg_rmrr *a)
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return false;
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}
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if (a->vm && s->vl_eq_vlmax) {
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if (a->vm && s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) {
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int scale = s->lmul - (s->sew + 3);
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int vlmax = s->cfg_ptr->vlen >> -scale;
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if (a->rs1 >= vlmax) {
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@ -3753,6 +3753,7 @@ static bool trans_vcompress_vm(DisasContext *s, arg_r *a)
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tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over);
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data = FIELD_DP32(data, VDATA, LMUL, s->lmul);
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data = FIELD_DP32(data, VDATA, VTA, s->vta);
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tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0),
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vreg_ofs(s, a->rs1), vreg_ofs(s, a->rs2),
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cpu_env, s->cfg_ptr->vlen / 8,
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@ -3853,6 +3854,8 @@ static bool int_ext_op(DisasContext *s, arg_rmr *a, uint8_t seq)
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}
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data = FIELD_DP32(data, VDATA, VM, a->vm);
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data = FIELD_DP32(data, VDATA, LMUL, s->lmul);
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data = FIELD_DP32(data, VDATA, VTA, s->vta);
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tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0),
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vreg_ofs(s, a->rs2), cpu_env,
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@ -4931,6 +4931,9 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \
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{ \
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uint32_t vm = vext_vm(desc); \
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uint32_t vl = env->vl; \
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uint32_t esz = sizeof(ETYPE); \
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uint32_t total_elems = vext_get_total_elems(env, desc, esz); \
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uint32_t vta = vext_vta(desc); \
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target_ulong offset = s1, i_min, i; \
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\
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i_min = MAX(env->vstart, offset); \
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@ -4940,6 +4943,8 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \
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} \
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*((ETYPE *)vd + H(i)) = *((ETYPE *)vs2 + H(i - offset)); \
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} \
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/* set tail elements to 1s */ \
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vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz); \
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}
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/* vslideup.vx vd, vs2, rs1, vm # vd[i+rs1] = vs2[i] */
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@ -4955,6 +4960,9 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \
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uint32_t vlmax = vext_max_elems(desc, ctzl(sizeof(ETYPE))); \
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uint32_t vm = vext_vm(desc); \
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uint32_t vl = env->vl; \
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uint32_t esz = sizeof(ETYPE); \
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uint32_t total_elems = vext_get_total_elems(env, desc, esz); \
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uint32_t vta = vext_vta(desc); \
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target_ulong i_max, i; \
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\
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i_max = MAX(MIN(s1 < vlmax ? vlmax - s1 : 0, vl), env->vstart); \
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@ -4971,6 +4979,8 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \
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} \
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\
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env->vstart = 0; \
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/* set tail elements to 1s */ \
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vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz); \
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}
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/* vslidedown.vx vd, vs2, rs1, vm # vd[i] = vs2[i+rs1] */
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@ -4986,6 +4996,9 @@ static void vslide1up_##BITWIDTH(void *vd, void *v0, target_ulong s1, \
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typedef uint##BITWIDTH##_t ETYPE; \
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uint32_t vm = vext_vm(desc); \
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uint32_t vl = env->vl; \
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uint32_t esz = sizeof(ETYPE); \
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uint32_t total_elems = vext_get_total_elems(env, desc, esz); \
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uint32_t vta = vext_vta(desc); \
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uint32_t i; \
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\
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for (i = env->vstart; i < vl; i++) { \
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@ -4999,6 +5012,8 @@ static void vslide1up_##BITWIDTH(void *vd, void *v0, target_ulong s1, \
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} \
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} \
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env->vstart = 0; \
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/* set tail elements to 1s */ \
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vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz); \
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}
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GEN_VEXT_VSLIE1UP(8, H1)
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@ -5026,6 +5041,9 @@ static void vslide1down_##BITWIDTH(void *vd, void *v0, target_ulong s1, \
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typedef uint##BITWIDTH##_t ETYPE; \
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uint32_t vm = vext_vm(desc); \
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uint32_t vl = env->vl; \
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uint32_t esz = sizeof(ETYPE); \
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uint32_t total_elems = vext_get_total_elems(env, desc, esz); \
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uint32_t vta = vext_vta(desc); \
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uint32_t i; \
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\
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for (i = env->vstart; i < vl; i++) { \
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@ -5039,6 +5057,8 @@ static void vslide1down_##BITWIDTH(void *vd, void *v0, target_ulong s1, \
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} \
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} \
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env->vstart = 0; \
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/* set tail elements to 1s */ \
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vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz); \
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}
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GEN_VEXT_VSLIDE1DOWN(8, H1)
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@ -5092,6 +5112,9 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \
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uint32_t vlmax = vext_max_elems(desc, ctzl(sizeof(TS2))); \
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uint32_t vm = vext_vm(desc); \
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uint32_t vl = env->vl; \
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uint32_t esz = sizeof(TS2); \
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uint32_t total_elems = vext_get_total_elems(env, desc, esz); \
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uint32_t vta = vext_vta(desc); \
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uint64_t index; \
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uint32_t i; \
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\
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@ -5107,6 +5130,8 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \
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} \
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} \
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env->vstart = 0; \
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/* set tail elements to 1s */ \
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vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz); \
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}
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/* vd[i] = (vs1[i] >= VLMAX) ? 0 : vs2[vs1[i]]; */
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@ -5127,6 +5152,9 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \
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uint32_t vlmax = vext_max_elems(desc, ctzl(sizeof(ETYPE))); \
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uint32_t vm = vext_vm(desc); \
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uint32_t vl = env->vl; \
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uint32_t esz = sizeof(ETYPE); \
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uint32_t total_elems = vext_get_total_elems(env, desc, esz); \
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uint32_t vta = vext_vta(desc); \
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uint64_t index = s1; \
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uint32_t i; \
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\
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@ -5141,6 +5169,8 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \
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} \
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} \
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env->vstart = 0; \
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/* set tail elements to 1s */ \
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vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz); \
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}
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/* vd[i] = (x[rs1] >= VLMAX) ? 0 : vs2[rs1] */
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@ -5155,6 +5185,9 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \
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CPURISCVState *env, uint32_t desc) \
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{ \
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uint32_t vl = env->vl; \
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uint32_t esz = sizeof(ETYPE); \
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uint32_t total_elems = vext_get_total_elems(env, desc, esz); \
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uint32_t vta = vext_vta(desc); \
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uint32_t num = 0, i; \
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\
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for (i = env->vstart; i < vl; i++) { \
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@ -5165,6 +5198,8 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \
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num++; \
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} \
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env->vstart = 0; \
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/* set tail elements to 1s */ \
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vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz); \
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}
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/* Compress into vd elements of vs2 where vs1 is enabled */
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@ -5196,6 +5231,9 @@ void HELPER(NAME)(void *vd, void *v0, void *vs2, \
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{ \
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uint32_t vl = env->vl; \
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uint32_t vm = vext_vm(desc); \
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uint32_t esz = sizeof(ETYPE); \
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uint32_t total_elems = vext_get_total_elems(env, desc, esz); \
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uint32_t vta = vext_vta(desc); \
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uint32_t i; \
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\
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for (i = env->vstart; i < vl; i++) { \
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@ -5205,6 +5243,8 @@ void HELPER(NAME)(void *vd, void *v0, void *vs2, \
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*((ETYPE *)vd + HD(i)) = *((DTYPE *)vs2 + HS1(i)); \
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} \
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env->vstart = 0; \
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/* set tail elements to 1s */ \
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vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz); \
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}
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GEN_VEXT_INT_EXT(vzext_vf2_h, uint16_t, uint8_t, H2, H1)
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