http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56077
--- Comment #9 from Andrey Belevantsev <abel at gcc dot gnu.org> 2013-02-18 11:08:10 UTC --- I will test the patch removing the JUMP_P part of the conditional on x86-64 and ia64, but for 4.8 I'd suggest trying some more platforms, like ppc at the minimum.