This is looking at EFLAGS, but it can do so more efficiently with
setcond.
Reviewed-by: Blue Swirl <blauwir...@gmail.com>
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
Signed-off-by: Richard Henderson <r...@twiddle.net>
---
target-i386/translate.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/target-i386/translate.c b/target-i386/translate.c
index c510732..dab6983 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -1060,10 +1060,9 @@ static void gen_setcc_slow(DisasContext *s, int jcc_op,
TCGv reg, bool inv)
break;
case JCC_BE:
gen_compute_eflags(s);
- tcg_gen_shri_tl(reg, cpu_cc_src, 6);
- tcg_gen_or_tl(reg, reg, cpu_cc_src);
- tcg_gen_andi_tl(reg, reg, 1);
- break;
+ tcg_gen_andi_tl(reg, cpu_cc_src, CC_Z | CC_C);
+ tcg_gen_setcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, reg, reg, 0);
+ return;
case JCC_S:
gen_compute_eflags_s(s, reg, inv);
inv = false;
--
1.8.1.2
