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tcg/aarch64: Fix tcg_out_brcond for test comparisons

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When converting test vs UINT32_MAX to compare vs 0, we need to
adjust the condition to match.

Fixes: 34aff3c2e0 ("tcg/aarch64: Generate CBNZ for TSTNE of UINT32_MAX")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-03-09 17:37:08 +00:00
parent 1d24c36b72
commit 4fe19bbbea
1 changed files with 1 additions and 0 deletions
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tcg/aarch64/tcg-target.c.inc
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@ -1464,6 +1464,7 @@ static void tcg_out_brcond(TCGContext *s, TCGType ext, TCGCond c, TCGArg a,
case TCG_COND_TSTNE: case TCG_COND_TSTNE:
/* tst xN,0xffffffff; b.ne L -> cbnz wN,L */ /* tst xN,0xffffffff; b.ne L -> cbnz wN,L */
if (b_const && b == UINT32_MAX) { if (b_const && b == UINT32_MAX) {
c = tcg_tst_eqne_cond(c);
ext = TCG_TYPE_I32; ext = TCG_TYPE_I32;
need_cmp = false; need_cmp = false;
break; break;