From: Aurelien Jarno <aurel...@aurel32.net>
When setcond2 is rewritten into setcond, the state of the destination
temp should be reset, so that a copy of the previous value is not
used instead of the result.
Reported-by: Michael Tokarev <m...@tls.msk.ru>
Reviewed-by: Richard Henderson <r...@twiddle.net>
Signed-off-by: Aurelien Jarno <aurel...@aurel32.net>
(cherry picked from commit 66e61b55f158ef5628e4c056dd2f233c9351a3f5)
Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com>
---
tcg/optimize.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/tcg/optimize.c b/tcg/optimize.c
index 973d2d6..be10033 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -1024,6 +1024,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s,
uint16_t *tcg_opc_ptr,
/* Simplify LT/GE comparisons vs zero to a single compare
vs the high word of the input. */
s->gen_opc_buf[op_index] = INDEX_op_setcond_i32;
+ reset_temp(args[0]);
gen_args[0] = args[0];
gen_args[1] = args[2];
gen_args[2] = args[4];
--
1.7.9.5
