https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118184
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Component|tree-optimization |target --- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #3) > Are you sure that is the correct patch to bisect to? I don't get any > vectorization happening at r15-6426-gf25250e0d5938a. Note r15-5863-g5ab3f091b3eb42 is NOT the cause; just exposing it. Before the commit, you can reproduce the issue with -fno-tree-vectorizer. That is what ever is causing the failure is being exposed by the vectorizer not happening.