target/s390x: Use tcg_gen_addcio_i64 for op_addc64

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index 00073c5560e6f185b844bee553f08e09ef30cda5..a714f9c0c2222de9ea7af63786bf84bfc3977d64 100644 (file)
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -1250,11 +1250,7 @@ static DisasJumpType op_addc32(DisasContext *s, DisasOps *o)
 static DisasJumpType op_addc64(DisasContext *s, DisasOps *o)
 {
     compute_carry(s);
-
-    TCGv_i64 zero = tcg_constant_i64(0);
-    tcg_gen_add2_i64(o->out, cc_src, o->in1, zero, cc_src, zero);
-    tcg_gen_add2_i64(o->out, cc_src, o->out, cc_src, o->in2, zero);
-
+    tcg_gen_addcio_i64(o->out, cc_src, o->in1, o->in2, cc_src);
     return DISAS_NEXT;
 }