target/riscv: Move vector translation checks

Move the checks out of `do_opiv{v,x,i}_gvec{,_shift}` functions
and into the corresponding macros. This enables the functions to be
reused in proceeding commits without check duplication.

Signed-off-by: Nazar Kazakov <nazar.kazakov@codethink.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Max Chou <max.chou@sifive.com>
Message-ID: <20230711165917.2629866-6-max.chou@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv/insn_trans/trans_rvv.c.inc

@@ -1183,9 +1183,6 @@ do_opivv_gvec(DisasContext *s, arg_rmrr *a, GVecGen3Fn *gvec_fn,
               gen_helper_gvec_4_ptr *fn)
 {
     TCGLabel *over = gen_new_label();
-    if (!opivv_check(s, a)) {
-        return false;
-    }
 
     tcg_gen_brcond_tl(TCG_COND_GEU, cpu_vstart, cpu_vl, over);
 
@@ -1218,6 +1215,9 @@ static bool trans_##NAME(DisasContext *s, arg_rmrr *a)             \
         gen_helper_##NAME##_b, gen_helper_##NAME##_h,              \
         gen_helper_##NAME##_w, gen_helper_##NAME##_d,              \
     };                                                             \
+    if (!opivv_check(s, a)) {                                      \
+        return false;                                              \
+    }                                                              \
     return do_opivv_gvec(s, a, tcg_gen_gvec_##SUF, fns[s->sew]);   \
 }
 
@@ -1276,10 +1276,6 @@ static inline bool
 do_opivx_gvec(DisasContext *s, arg_rmrr *a, GVecGen2sFn *gvec_fn,
               gen_helper_opivx *fn)
 {
-    if (!opivx_check(s, a)) {
-        return false;
-    }
-
     if (a->vm && s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) {
         TCGv_i64 src1 = tcg_temp_new_i64();
 
@@ -1301,6 +1297,9 @@ static bool trans_##NAME(DisasContext *s, arg_rmrr *a)             \
         gen_helper_##NAME##_b, gen_helper_##NAME##_h,              \
         gen_helper_##NAME##_w, gen_helper_##NAME##_d,              \
     };                                                             \
+    if (!opivx_check(s, a)) {                                      \
+        return false;                                              \
+    }                                                              \
     return do_opivx_gvec(s, a, tcg_gen_gvec_##SUF, fns[s->sew]);   \
 }
 
@@ -1432,10 +1431,6 @@ static inline bool
 do_opivi_gvec(DisasContext *s, arg_rmrr *a, GVecGen2iFn *gvec_fn,
               gen_helper_opivx *fn, imm_mode_t imm_mode)
 {
-    if (!opivx_check(s, a)) {
-        return false;
-    }
-
     if (a->vm && s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) {
         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));
@@ -1453,6 +1448,9 @@ static bool trans_##NAME(DisasContext *s, arg_rmrr *a)             \
         gen_helper_##OPIVX##_b, gen_helper_##OPIVX##_h,            \
         gen_helper_##OPIVX##_w, gen_helper_##OPIVX##_d,            \
     };                                                             \
+    if (!opivx_check(s, a)) {                                      \
+        return false;                                              \
+    }                                                              \
     return do_opivi_gvec(s, a, tcg_gen_gvec_##SUF,                 \
                          fns[s->sew], IMM_MODE);                   \
 }
@@ -1775,10 +1773,6 @@ static inline bool
 do_opivx_gvec_shift(DisasContext *s, arg_rmrr *a, GVecGen2sFn32 *gvec_fn,
                     gen_helper_opivx *fn)
 {
-    if (!opivx_check(s, a)) {
-        return false;
-    }
-
     if (a->vm && s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) {
         TCGv_i32 src1 = tcg_temp_new_i32();
 
@@ -1800,7 +1794,9 @@ static bool trans_##NAME(DisasContext *s, arg_rmrr *a)                    \
         gen_helper_##NAME##_b, gen_helper_##NAME##_h,                     \
         gen_helper_##NAME##_w, gen_helper_##NAME##_d,                     \
     };                                                                    \
-                                                                          \
+    if (!opivx_check(s, a)) {                                             \
+        return false;                                                     \
+    }                                                                     \
     return do_opivx_gvec_shift(s, a, tcg_gen_gvec_##SUF, fns[s->sew]);    \
 }