diff options
| author | Yueh-Ting (eop) Chen <eop.chen@sifive.com> | 2022-06-20 06:51:11 +0000 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2022-09-07 09:18:33 +0200 |
| commit | 72e17a9f86098feb25d2c1f2af043dc5f9f211e3 (patch) | |
| tree | b852560a362dc91a5c6310ffa54826c2297f3ee1 /target | |
| parent | 6e11d7eaa02c5834e5172d25e8c794ac5731b56e (diff) | |
target/riscv: rvv: Add mask agnostic for vector fix-point arithmetic 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: <165570784143.17634.35095816584573691-6@git.sr.ht>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target')
| -rw-r--r-- | target/riscv/vector_helper.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 07ce671879..597fa9c752 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -2129,10 +2129,12 @@ static inline void vext_vv_rm_1(void *vd, void *v0, void *vs1, void *vs2, CPURISCVState *env, uint32_t vl, uint32_t vm, int vxrm, - opivv2_rm_fn *fn) + opivv2_rm_fn *fn, uint32_t vma, uint32_t esz) { for (uint32_t i = env->vstart; i < vl; i++) { if (!vm && !vext_elem_mask(v0, i)) { + /* set masked-off elements to 1s */ + vext_set_elems_1s(vd, vma, i * esz, (i + 1) * esz); continue; } fn(vd, vs1, vs2, i, env, vxrm); @@ -2150,23 +2152,24 @@ vext_vv_rm_2(void *vd, void *v0, void *vs1, void *vs2, uint32_t vl = env->vl; uint32_t total_elems = vext_get_total_elems(env, desc, esz); uint32_t vta = vext_vta(desc); + uint32_t vma = vext_vma(desc); switch (env->vxrm) { case 0: /* rnu */ vext_vv_rm_1(vd, v0, vs1, vs2, - env, vl, vm, 0, fn); + env, vl, vm, 0, fn, vma, esz); break; case 1: /* rne */ vext_vv_rm_1(vd, v0, vs1, vs2, - env, vl, vm, 1, fn); + env, vl, vm, 1, fn, vma, esz); break; case 2: /* rdn */ vext_vv_rm_1(vd, v0, vs1, vs2, - env, vl, vm, 2, fn); + env, vl, vm, 2, fn, vma, esz); break; default: /* rod */ vext_vv_rm_1(vd, v0, vs1, vs2, - env, vl, vm, 3, fn); + env, vl, vm, 3, fn, vma, esz); break; } /* set tail elements to 1s */ @@ -2250,10 +2253,12 @@ static inline void vext_vx_rm_1(void *vd, void *v0, target_long s1, void *vs2, CPURISCVState *env, uint32_t vl, uint32_t vm, int vxrm, - opivx2_rm_fn *fn) + opivx2_rm_fn *fn, uint32_t vma, uint32_t esz) { for (uint32_t i = env->vstart; i < vl; i++) { if (!vm && !vext_elem_mask(v0, i)) { + /* set masked-off elements to 1s */ + vext_set_elems_1s(vd, vma, i * esz, (i + 1) * esz); continue; } fn(vd, s1, vs2, i, env, vxrm); @@ -2271,23 +2276,24 @@ vext_vx_rm_2(void *vd, void *v0, target_long s1, void *vs2, uint32_t vl = env->vl; uint32_t total_elems = vext_get_total_elems(env, desc, esz); uint32_t vta = vext_vta(desc); + uint32_t vma = vext_vma(desc); switch (env->vxrm) { case 0: /* rnu */ vext_vx_rm_1(vd, v0, s1, vs2, - env, vl, vm, 0, fn); + env, vl, vm, 0, fn, vma, esz); break; case 1: /* rne */ vext_vx_rm_1(vd, v0, s1, vs2, - env, vl, vm, 1, fn); + env, vl, vm, 1, fn, vma, esz); break; case 2: /* rdn */ vext_vx_rm_1(vd, v0, s1, vs2, - env, vl, vm, 2, fn); + env, vl, vm, 2, fn, vma, esz); break; default: /* rod */ vext_vx_rm_1(vd, v0, s1, vs2, - env, vl, vm, 3, fn); + env, vl, vm, 3, fn, vma, esz); break; } /* set tail elements to 1s */ |