[PATCH 3/3] powerpc: Use default st{r,p}cpy optimization for POWER7

[Adhemerval Zanella]

Pushed upstream as 142e0a9953059bcf5667921f2670efec377be3d5

On 05-08-2015 16:01, Tulio Magno Quites Machado Filho wrote:
> Adhemerval Zanella <adhemerval.zanella@linaro.org> writes:
> 
>> Following the discussion with Ondrej and recent changes to default
>> st{r,ṕ}cpy algorithm, this patches uses it for both powerpc64 and
>> powerpc64/power7 instead of optimized ones (which will be removed).
>> This is faster in all but few inputs (mostly with very short sizes) 
>> for benchtests.
>>
>> It removes the default powerpc64 st{r,p}cpy and uses the same
>> optimization, since powerpc64 optimized algorithm only uses a
>> slight optimized path for both doubleword aligned source and
>> destiny and resorting to byte-per-byte access to unaligned inputs.
>>
>> Checked on powerpc64le and compared bench output in attachments.
> 
> LGTM.
> 
> Thanks!
>