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target/arm/translate-neon.c: Handle VTBL UNDEF case before VFP access check 

Checks for UNDEF cases should go before the "is VFP enabled?" access
check, except in special cases. Move a stray UNDEF check in the VTBL
trans function up above the access check.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201109145324.2859-1-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2020-11-09 14:53:24 +00:00
parent 8006c9842b
commit b6c56c8a9a
1 changed files with 4 additions and 4 deletions
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8
target/arm/translate-neon.c.inc
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@ -2874,10 +2874,6 @@ static bool trans_VTBL(DisasContext *s, arg_VTBL *a)
return false; return false;
} }
if (!vfp_access_check(s)) {
return true;
}
if ((a->vn + a->len + 1) > 32) { if ((a->vn + a->len + 1) > 32) {
/* /*
* This is UNPREDICTABLE; we choose to UNDEF to avoid the * This is UNPREDICTABLE; we choose to UNDEF to avoid the
@ -2886,6 +2882,10 @@ static bool trans_VTBL(DisasContext *s, arg_VTBL *a)
return false; return false;
} }
if (!vfp_access_check(s)) {
return true;
}
desc = tcg_const_i32((a->vn << 2) | a->len); desc = tcg_const_i32((a->vn << 2) | a->len);
def = tcg_temp_new_i64(); def = tcg_temp_new_i64();
if (a->op) { if (a->op) {