http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55545
--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-12-03 08:42:51 UTC --- > The last time I built and tested the compiler on IA-64, the C testsuite > results > were rather bad, especially at -O3. I just retried and there are still a bunch of C/C++/Fortran failures at -O3.