[PATCH] powerpc: POWER7 optimised memcpy using VMX and enhanced prefetch

Peter Bergner bergner at vnet.ibm.com
Thu Jan 10 10:06:10 EST 2013

On Wed, 2013-01-09 at 16:19 -0600, Jimi Xenidis wrote:
> I agree, but that means it is impossible for the same .S file can be compiled
> but -mcpu=e500mc and -mcpu=powerpc?  So either these files have to be Book3S
> versus Book3E --or-- we use a CPP macro to get them right.
> FWIW, I prefer the latter which allows more code reuse.

I agree using a CPP macro - like we do for "new" instructions for which some
older assemblers might not support yet - is probably the best solution.


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