https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 112325, which changed state.
Bug 112325 Summary: Missed vectorization of reduction after unrolling https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112325 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED