[PATCH v3 118/162] tcg/i386: Honor carry_live in tcg_out_movi

[Richard Henderson]

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.hender...@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