Thanks for inputs.
Updated test attached.

K

On Mon, Aug 22, 2011 at 11:12 PM, Jakub Jelinek <jakub@redhat.com> wrote:
> On Mon, Aug 22, 2011 at 10:51:19PM +0400, Kirill Yukhin wrote:
>> testsuite/ChangeLog entry:
>> 2011-08-22  Kirill Yukhin  <kirill.yukhin@intel.com>
>>
>>         PR target/50155
>>         * gcc.target/i386/pr50155.c: New test.
>
> For the testcase, I think you want explicit -mno-avx2 if
> you want to check that vpaddd hasn't been emitted, otherwise
> anybody testing with --with-arch=corei7-avx2 tuned compiler
> ot --target_board=unix/-mavx2 will see failures.
>
>        Jakub
>