http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52624 --- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-03-22 07:41:25 UTC --- I think that it should be available on all architectures, like the 32-bit and 64-bit flavors. And, for x86, you don't really need to add new patterns.