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target/arm: Move sve check into do_index 

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220527181907.189259-49-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-05-27 11:18:01 -07:00 committed by Peter Maydell
parent dc67e645fb
commit 6687d05dc3
1 changed files with 25 additions and 28 deletions
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53
target/arm/translate-sve.c
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@ -1087,12 +1087,20 @@ TRANS_FEAT(MLS, aa64_sve, do_zpzzz_ool, a, mls_fns[a->esz])
*** SVE Index Generation Group *** SVE Index Generation Group
*/ */
static void do_index(DisasContext *s, int esz, int rd, static bool do_index(DisasContext *s, int esz, int rd,
TCGv_i64 start, TCGv_i64 incr) TCGv_i64 start, TCGv_i64 incr)
{ {
unsigned vsz = vec_full_reg_size(s); unsigned vsz;
TCGv_i32 desc = tcg_constant_i32(simd_desc(vsz, vsz, 0)); TCGv_i32 desc;
TCGv_ptr t_zd = tcg_temp_new_ptr(); TCGv_ptr t_zd;
if (!sve_access_check(s)) {
return true;
}
vsz = vec_full_reg_size(s);
desc = tcg_constant_i32(simd_desc(vsz, vsz, 0));
t_zd = tcg_temp_new_ptr();
tcg_gen_addi_ptr(t_zd, cpu_env, vec_full_reg_offset(s, rd)); tcg_gen_addi_ptr(t_zd, cpu_env, vec_full_reg_offset(s, rd));
if (esz == 3) { if (esz == 3) {
@ -1115,46 +1123,35 @@ static void do_index(DisasContext *s, int esz, int rd,
tcg_temp_free_i32(i32); tcg_temp_free_i32(i32);
} }
tcg_temp_free_ptr(t_zd); tcg_temp_free_ptr(t_zd);
return true;
} }
static bool trans_INDEX_ii(DisasContext *s, arg_INDEX_ii *a) static bool trans_INDEX_ii(DisasContext *s, arg_INDEX_ii *a)
{ {
if (sve_access_check(s)) { TCGv_i64 start = tcg_constant_i64(a->imm1);
TCGv_i64 start = tcg_constant_i64(a->imm1); TCGv_i64 incr = tcg_constant_i64(a->imm2);
TCGv_i64 incr = tcg_constant_i64(a->imm2); return do_index(s, a->esz, a->rd, start, incr);
do_index(s, a->esz, a->rd, start, incr);
}
return true;
} }
static bool trans_INDEX_ir(DisasContext *s, arg_INDEX_ir *a) static bool trans_INDEX_ir(DisasContext *s, arg_INDEX_ir *a)
{ {
if (sve_access_check(s)) { TCGv_i64 start = tcg_constant_i64(a->imm);
TCGv_i64 start = tcg_constant_i64(a->imm); TCGv_i64 incr = cpu_reg(s, a->rm);
TCGv_i64 incr = cpu_reg(s, a->rm); return do_index(s, a->esz, a->rd, start, incr);
do_index(s, a->esz, a->rd, start, incr);
}
return true;
} }
static bool trans_INDEX_ri(DisasContext *s, arg_INDEX_ri *a) static bool trans_INDEX_ri(DisasContext *s, arg_INDEX_ri *a)
{ {
if (sve_access_check(s)) { TCGv_i64 start = cpu_reg(s, a->rn);
TCGv_i64 start = cpu_reg(s, a->rn); TCGv_i64 incr = tcg_constant_i64(a->imm);
TCGv_i64 incr = tcg_constant_i64(a->imm); return do_index(s, a->esz, a->rd, start, incr);
do_index(s, a->esz, a->rd, start, incr);
}
return true;
} }
static bool trans_INDEX_rr(DisasContext *s, arg_INDEX_rr *a) static bool trans_INDEX_rr(DisasContext *s, arg_INDEX_rr *a)
{ {
if (sve_access_check(s)) { TCGv_i64 start = cpu_reg(s, a->rn);
TCGv_i64 start = cpu_reg(s, a->rn); TCGv_i64 incr = cpu_reg(s, a->rm);
TCGv_i64 incr = cpu_reg(s, a->rm); return do_index(s, a->esz, a->rd, start, incr);
do_index(s, a->esz, a->rd, start, incr);
}
return true;
} }
/* /*