https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 100696, which changed state.
Bug 100696 Summary: mult_higpart is not vectorized https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100696 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED