https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101639
--- Comment #21 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Hongtao Liu from comment #20)
> (In reply to Hongtao Liu from comment #19)
> > Created attachment 62562 [details]
> > avx512/avx2 reduc_mask_{and,ixor,xor}_m
> >
> > I didn't support V*HImode for reduc_mask_xor_m since x86 only has
> > vmovmskps/pd and vpmovmskb. for others, unit test looks ok and I'm going to
> > have more test for that.
>
> It failed bootstrap in stage3 with --with-arch=native on SPR, need to take a
> look.
It might very well be a bug on the vectorizer side of course.