http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46888
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> 2010-12-13 21:37:37 UTC --- (In reply to comment #1) > Two different patches have been posted to fix this: > > http://gcc.gnu.org/ml/gcc-patches/2010-12/msg00778.html > > http://gcc.gnu.org/ml/gcc-patches/2010-12/msg00784.html The testcase in comment #2 is not optimized with the CSE patch but is with the combine patch.