http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56865
--- Comment #4 from Bill Schmidt <wschmidt at gcc dot gnu.org> 2013-05-02 15:27:08 UTC --- (In reply to comment #3) > > Correct. Dumping order is affected by the patch though, thus if > we previously disabled vectorization at some point the dumping > before that can be affected due to the re-ordering. It appears that we are vectorizing the same loops, but we are now vectorizing one loop differently. In r196871, the loop is peeled for alignment. In r196872, the loop is versioned for alignment. I will attach the vectorization detail dumps for the two revisions.
