http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59163
--- Comment #13 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Jakub Jelinek from comment #12) > Created attachment 31332 [details] > gcc49-pr59163.patch > > So like this? Yes, with adjusted comment in ix86_legitimate_combined_insn. IIRC, unaligned moves won't be propagated during or after reload, so it looks to me that the approach is correct.