[PATCH] Rename __memcmp_sse4_2 to __memcmp_sse4_1.

[H.J. Lu]

On Wed, Jul 10, 2013 at 10:41 AM, Matt Turner <mattst88@gmail.com> wrote:
> On Wed, Jul 10, 2013 at 8:30 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
>> On Tue, Jul 9, 2013 at 9:37 PM, Andreas Jaeger <aj@suse.com> wrote:
>>> On 07/10/2013 03:17 AM, Matt Turner wrote:
>>>> It uses SSE 4.1 instructions (ptest) but no SSE 4.2 instructions.
>>>
>>> There are two parts to this: It should only run on cpus with those
>>> instructions but we also need to ensure that it gives a better
>>> performance on such cpus. HJ, Matt, please do run performance tests on a
>>> variety of affected cpus to show that this change really helps in all cases,
>>>
>>> Andreas
>>
>> Only Penryn has SSE4.1 without SSE4.2.  Liubov, can
>> you compare performance of memcmp-sse4.S vs
>> memcmp-ssse3.S on Penryn?
>
> Is it also the case that this path would now be used on Silvermont?

It is used on Silvermont since it supports SSE4.2

--
H.J.