https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 55266, which changed state.
Bug 55266 Summary: vector expansion: 24 movs for 4 adds https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55266 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED