https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 65946, which changed state.
Bug 65946 Summary: Simple loop with if-statement not vectorized https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65946 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED