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

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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.

Backports b6c56c8a9a4064ea783f352f43c5df6231a110fa
This commit is contained in:
Peter Maydell 2021-03-02 13:24:44 -05:00 committed by Lioncash
parent 9623047097
commit f991d945d3
1 changed files with 5 additions and 4 deletions
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9
qemu/target/arm/translate-neon.inc.c
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@ -2916,10 +2916,6 @@ static bool trans_VTBL(DisasContext *s, arg_VTBL *a)
return false;
}
if (!vfp_access_check(s)) {
return true;
}
if ((a->vn + a->len + 1) > 32) {
/*
* This is UNPREDICTABLE; we choose to UNDEF to avoid the
@ -2927,6 +2923,11 @@ static bool trans_VTBL(DisasContext *s, arg_VTBL *a)
*/
return false;
}
if (!vfp_access_check(s)) {
return true;
}
desc = tcg_const_i32(tcg_ctx, (a->vn << 2) | a->len);
def = tcg_temp_new_i64(tcg_ctx);