http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41082
--- Comment #59 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-11-27 17:51:38 UTC --- Can you please try latest trunk, if the test works with -O3 -m64 -mtune=rs64 and fails with -O3 -m64 -mtune=power4 ?