http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52112
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |jakub at gcc dot gnu.org
Resolution| |FIXED
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-03
19:00:44 UTC ---
Before http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181014
only 2 loops are vectorized, after that 3. With -Ofast before that change 4
loops are vectorized and after that 5 (the double reduction needs -ffast-math
to be vectorized).
So fixed for 4.7.
