http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45685
--- Comment #20 from Richard Guenther rguenth at gcc dot gnu.org 2011-12-02
09:52:27 UTC ---
Probably a better place than phi-opt would be RTL expansion (thus, out-of-SSA
for the PHI nodes) where based on target cost those constants could be
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45685
--- Comment #18 from Jakub Jelinek jakub at gcc dot gnu.org 2011-12-01
22:41:46 UTC ---
What about stage3 material?
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45685
--- Comment #19 from Jeffrey A. Law law at redhat dot com 2011-12-02 05:26:00
UTC ---
I did some runtime testing on this shortly after 4.7 stage1 opened; the net
result was actually a regression. I didn't delve into why due to time
constraints.