http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57293
--- Comment #7 from Vladimir Makarov <vmakarov at gcc dot gnu.org> --- The problem was fixed by a patch removing regmove and improving hardware preferences in IRA.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57293
--- Comment #7 from Vladimir Makarov <vmakarov at gcc dot gnu.org> --- The problem was fixed by a patch removing regmove and improving hardware preferences in IRA.