https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 89028, which changed state.
Bug 89028 Summary: 8-byte loop isn't vectorized https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89028 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED