https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91580
--- Comment #7 from Iain Sandoe <iains at gcc dot gnu.org> --- core2, -mno-sse4, -msse, -msse2, -msse3, -mstv seem enough to trigger it on i686-darwin (just looking at the defaults from a -fverbose-asm output)
