http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44578
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org Known to work| | --- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-11-15 12:06:34 UTC --- Using mmX as global registers variables is a user bug if you ever call something that might be using FPU stack, because the registers can't be preserved across that. Don't do that.