http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20102
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |WONTFIX --- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-12-22 00:45:57 UTC --- AS mentioned, GCC for powerpc defaults to non-strict alignment which means you need to supply -mstrict-align to get the strict alignment requirements.