https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105073 Bug 105073 depends on bug 104371, which changed state.
Bug 104371 Summary: [x86] Failure to use optimize pxor+pcmpeqb+pmovmskb+cmp 0xFFFF pattern to ptest https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104371 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED