https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69652
--- Comment #7 from rguenther at suse dot de <rguenther at suse dot de> --- On Fri, 5 Feb 2016, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69652 > > --- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- > Well, MASK_STORE you don't want to handle in that loop, that is a store. > MASK_LOAD is an exception, so IMHO you should just check for is_gimple_assign > || MASK_LOAD. Allowing move of arbitrary other stmts looks dangerous. Why? We track "dangerous" by having a VDEF. That's good enough IMHO. > Another question is what to do with gimple_clobber_p. Those should have a > vdef, so we handle them likely conservatively, which might be good enough for > now. Or does vectorization just remove them already? It does.
