http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50037
Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2011-08-10 CC| |rguenth at gcc dot gnu.org Ever Confirmed|0 |1 --- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-08-10 15:13:58 UTC --- Confirmed (I think we have some dups here). We are not able to determine the number of iterations anymore after the vectorizer has messed with the loop structures. Possibly simplifying the loop guards to use multiple test and branches instead of globbing everything into a single .. | .. | .. chain could recover this.