https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88670 Bug 88670 depends on bug 24073, which changed state.
Bug 24073 Summary: (vector float){a, b, 0, 0} code gen is not good https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24073 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED