http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52607
--- Comment #15 from Marc Glisse <marc.glisse at normalesup dot org> 2012-03-20 19:00:32 UTC --- If I am not mistaken, the V8SF shuffle 22022246 is doable by a vperm2f128 that takes 01234567 to 01230123, followed by a vshufps (mask 138 maybe). Was your patch supposed to handle it?
