http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54041
--- Comment #5 from Mikael Pettersson <mikpe at it dot uu.se> 2012-07-20 11:33:14 UTC --- Ok, in that case I'd say the m68k backend is entitled to not define P_E_U, and it's really c_m_a_a_s (or something related to it) that's broken.