https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89021
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- I think that to avoid surprises -mno-mmx should be the default on x86 and thus MMX code would need to explicitely supply -mmmx. Would that work around the issue or would we see odd errors when using the mm intrinsics?
