target/riscv: rvv: Add mask agnostic for vector integer shift instruc…

…tions 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: <165570784143.17634.35095816584573691-4@git.sr.ht> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
qemu · Sep 7, 2022 · fd93045 · fd93045
1 parent bce9a63
commit fd93045
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diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -1901,6 +1901,7 @@ 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, VMA, s->vma);               \
         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/vector_helper.c b/target/riscv/vector_helper.c
@@ -1298,10 +1298,13 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1,                          \
     uint32_t esz = sizeof(TS1);                                           \
     uint32_t total_elems = vext_get_total_elems(env, desc, esz);          \
     uint32_t vta = vext_vta(desc);                                        \
+    uint32_t vma = vext_vma(desc);                                        \
     uint32_t i;                                                           \
                                                                           \
     for (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;                                                     \
         }                                                                 \
         TS1 s1 = *((TS1 *)vs1 + HS1(i));                                  \
@@ -1339,10 +1342,14 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1,      \
     uint32_t total_elems =                                  \
         vext_get_total_elems(env, desc, esz);               \
     uint32_t vta = vext_vta(desc);                          \
+    uint32_t vma = vext_vma(desc);                          \
     uint32_t i;                                             \
                                                             \
     for (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;                                       \
         }                                                   \
         TS2 s2 = *((TS2 *)vs2 + HS2(i));                    \