http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59605
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
Does this
---
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 0cf0a9d..07f9a86 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -24015,7 +24015,8 @@ ix86_expand_set_or_movmem (rtx dst, rtx src, rtx
count_exp, rtx val_exp,
else
{
rtx hot_label = gen_label_rtx ();
- jump_around_label = gen_label_rtx ();
+ if (jump_around_label == NULL_RTX)
+ jump_around_label = gen_label_rtx ();
emit_cmp_and_jump_insns (count_exp, GEN_INT (dynamic_check - 1),
LEU, 0, GET_MODE (count_exp), 1, hot_label);
predict_jump (REG_BR_PROB_BASE * 90 / 100);
---
make any senses?
