http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55598
--- Comment #1 from Steven Bosscher <steven at gcc dot gnu.org> 2012-12-05 11:44:18 UTC --- Vlad committed a set of powerpc fixes here: http://gcc.gnu.org/ml/gcc-patches/2012-12/msg00272.html Perhaps you can try the patch, see if it helps?