------- Comment #10 from ubizjak at gmail dot com 2009-09-08 06:56 ------- What happens if you change either of these to movups:
+ movaps LC4(%rip), %xmm0 + movaps %xmm0, -24(%rsp) My bet is on the second one, -24(%rsp) is not 16byte aligned. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41288