http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54239
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-08-13 14:00:55 UTC --- BTW, why do you care about the prefetch insn? Isn't it obsoleted by the SSE ISA prefetches anyway (unlike prefetchw)?
