Do not clobber flags if they're live. Required in order
to perform register allocation on add/sub carry opcodes.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/i386/tcg-target.c.inc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc
index 1782a38e4d..cbe67102aa 100644
--- a/tcg/i386/tcg-target.c.inc
+++ b/tcg/i386/tcg-target.c.inc
@@ -1092,7 +1092,7 @@ static void tcg_out_movi_int(TCGContext *s, TCGType type,
{
tcg_target_long diff;
- if (arg == 0) {
+ if (arg == 0 && !s->carry_live) {
tgen_arithr(s, ARITH_XOR, ret, ret);
return;
}
--
2.43.0