http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57642
Yale Zhang <yzhang1985 at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED --- Comment #2 from Yale Zhang <yzhang1985 at gmail dot com> --- Sorry, please close this. My loop was eliminated as dead code, thus no vectorization. I saw the message not enough data-refs for auto-vectorization, which made me think it wasn't being vectorized, but that's probably from somewhere else.