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Re: [PATCH v3] PowerPC: stpcpy optimization for PPC64/POWER7


Ping.

On 04-10-2013 12:31, Adhemerval Zanella wrote:
> This is a new version of this patch intended to unify both strcpy and stpcpy
> implementations for PPC64 and PPC64/POWER7. It is coded to ajust now Alan's
> pushed his patches for LE. As before the idea for default implementation
> (sysdeps/powerpc/powerpc64/strcpy.S) is to provide both doubleword and word
> aligned memory access.
>
> For PPC64/POWER7 the idea is to also provide doubleword and word memory access,
> remove the branch hints, use the cmpb instruction for compare doubleword/words,
> and add an optimization for inputs of same alignment.
>
> THe performance results based on benchtests are provided in attachments. Tested
> on PPC64 and PPC64/POWER7.
>
>


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