http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54446
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2012-09-01 14:30:22 UTC --- It has been fixed in GCC 4.7: .cfi_startproc vmovdqa (%rdi), %ymm0 vptest %ymm0, %ymm0 sete %al ret .cfi_endproc
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54446
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2012-09-01 14:30:22 UTC --- It has been fixed in GCC 4.7: .cfi_startproc vmovdqa (%rdi), %ymm0 vptest %ymm0, %ymm0 sete %al ret .cfi_endproc