http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50693
--- Comment #12 from David Edelsohn <dje at gcc dot gnu.org> 2011-10-11 14:06:34 UTC --- Because the vectorizer analysis occurs fairly early, I guess there is not a lot of opportunity to clean up the control flow. Should GCC have a memset peephole pass like LLVM?
