http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44578
--- Comment #4 from kl4yfd at gmail dot com 2012-11-15 06:39:23 UTC --- Created attachment 28695 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28695 mmX global register no emms Added example C source file showing the issue mentioned in comment 3