https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82847
rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rsandifo at gcc dot gnu.org --- Comment #3 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> --- Isn't the problem here that vect_perm_byte and vect_perm_short don't return true for x86_64, even though the patterns seem to be there in sse.md?