https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65979
--- Comment #20 from Kazumoto Kojima <kkojima at gcc dot gnu.org> --- (In reply to Oleg Endo from comment #19) > Could you guys please test this patch? Actually, now it looks quite obvious > I think. gen_rtx_SET functions required SImode as their first argument. Tests are running with that change on 5.1.0, though I agree that it's an obvious fix.