https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65369
--- Comment #34 from Bill Schmidt <wschmidt at gcc dot gnu.org> --- (In reply to Markus Trippelsdorf from comment #29) > CCing Bill because this might be a bug in rs6000_analyze_swaps(). Adding -mno-optimize-swaps to Alan's example does not fix the problem, so no...