http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44141
--- Comment #6 from Venkataramanan <venkataramanan.kumar at amd dot com> 2012-03-22 13:26:16 UTC --- This patch tries to change vmovupd to vmovups during assembly printing stage when tuning flag for bdver1 is set. I am yet to test this one. Please provide your suggestion.