[PATCH] powerpc: P9 vector load instruction change in memcpy and memmove

Florian Weimer fweimer@redhat.com
Thu Oct 19 17:12:00 GMT 2017


On 10/19/2017 05:56 PM, Tulio Magno Quites Machado Filho wrote:
>> Or is the performance hit from avoiding the affected vector
>> instructions not so severe that it would be an immediate concern for
>> future silicon?
> The instructions Raji chose to use here do not impact the performance on
> current silicon and is not expected to impact future silicon as well.

Okay, this addresses my concern.  Unfortunately, I don't feel confident 
to review the new implementation myself.

Thanks,
Florian



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