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tcg/aarch64: Fix tcg_out_brcond for test comparisons

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>
pull/264/head
Richard Henderson 2 years ago
parent
commit
4fe19bbbea
  1. 1
      tcg/aarch64/tcg-target.c.inc

1
tcg/aarch64/tcg-target.c.inc

@ -1464,6 +1464,7 @@ static void tcg_out_brcond(TCGContext *s, TCGType ext, TCGCond c, TCGArg a,
case TCG_COND_TSTNE:
/* tst xN,0xffffffff; b.ne L -> cbnz wN,L */
if (b_const && b == UINT32_MAX) {
c = tcg_tst_eqne_cond(c);
ext = TCG_TYPE_I32;
need_cmp = false;
break;

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