PATCH: optimize the following memcpy: sysdeps/i386/i686/multiarch/memcpy-ssse3.S

[Dmitrieva Liubov]

This patch doesn't influence on big cores since I know that other
implementation is runing for big cores (memcpy-ssse3-rep.S)

The patch also simplifies unwind info.

--
Liubov Dmitrieva

2012/3/22 Ulrich Drepper <drepper@gmail.com>:
> On Thu, Mar 22, 2012 at 10:40, Dmitrieva Liubov
> <liubov.dmitrieva@gmail.com> wrote:
>> This gives from 6% - 50% performance boost on the atom machine, about
>> 24,73% in geometric mean.
>> Please, see the attached file for more details. A boost in % is shown there.
>
> What about the big cores?  Is it at least as good there or are the
> additional instructions reducing performance?