https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63679
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
Target Milestone|--- |5.0
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
I will have a look. Note that 4.9 simply didn't vectorize this. And note that
unfortunately only FRE/PRE have a chance to optimize this but they do not run
that late.
Jakub wanted to enable FRE late for some other PR.
Tejas, can you try
Index: passes.def
===================================================================
--- passes.def (revision 217035)
+++ passes.def (working copy)
@@ -255,7 +255,7 @@
NEXT_PASS (pass_reassoc);
NEXT_PASS (pass_strength_reduction);
NEXT_PASS (pass_tracer);
- NEXT_PASS (pass_dominator);
+ NEXT_PASS (pass_fre);
NEXT_PASS (pass_strlen);
NEXT_PASS (pass_vrp);
/* The only const/copy propagation opportunities left after
?
