http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56511
--- Comment #4 from Igor Zamyatin <izamyatin at gmail dot com> 2013-03-07 08:52:53 UTC --- Doesn't first argument of memcpy which is called from memcpy_vec have unknown (1byte) alignment? If yes, how PPC managed to produce vector instructions?
