http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57601
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Component|tree-optimization |target --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Aren't xmm0 MMX registers which means they overlap with the floating point registers in some cases and that also means you need to use emms instructions?