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authorRichard Henderson <rth@twiddle.net>2014-08-06 12:09:56 -0700
committerRichard Henderson <rth@redhat.com>2014-09-29 14:55:27 -0400
commit321b6c058544c136341bf9cc6055f127f307f03e (patch)
tree78ea04a1669bf863d389d5f0e0ddf35fe10eef4c
parent90379ca84ebe94b0adc08794d90ea1e196b2a724 (diff)
tcg-sparc: Fix setcond_i32 uninitialized value
We failed to swap c1 and c2 correctly for NE c2 == 0. Signed-off-by: Richard Henderson <rth@twiddle.net>
-rw-r--r--tcg/sparc/tcg-target.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c
index 08ca4829a6..3b232d6333 100644
--- a/tcg/sparc/tcg-target.c
+++ b/tcg/sparc/tcg-target.c
@@ -674,9 +674,12 @@ static void tcg_out_setcond_i32(TCGContext *s, TCGCond cond, TCGReg ret,
case TCG_COND_NE:
/* For equality, we can transform to inequality vs zero. */
if (c2 != 0) {
- tcg_out_arithc(s, ret, c1, c2, c2const, ARITH_XOR);
+ tcg_out_arithc(s, TCG_REG_T1, c1, c2, c2const, ARITH_XOR);
+ c2 = TCG_REG_T1;
+ } else {
+ c2 = c1;
}
- c1 = TCG_REG_G0, c2 = ret, c2const = 0;
+ c1 = TCG_REG_G0, c2const = 0;
cond = (cond == TCG_COND_EQ ? TCG_COND_GEU : TCG_COND_LTU);
break;