https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99930
--- Comment #6 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Jakub Jelinek from comment #4) > Is there some reason why the patterns are written that way rather than split > immediately into the AND or XOR? Perhaps it could be done on SUBREGs to > make it valid RTL, but we split into those post reload already anyway. I don't know, since these patterns pre-date my involvement in gcc.
