https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 114107, which changed state.
Bug 114107 Summary: poor vectorization at -O3 when dealing with arrays of different multiplicity, good with -O2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114107 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED