http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50746
--- Comment #7 from Ira Rosen <irar at il dot ibm.com> 2011-10-17 18:49:20 UTC --- I'll fix vect-114.c. It indeed doesn't need realignment. The vectorization failed before switching to optab because of the type mismatch between the mask and the data.