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Re: [PATCH] Optimize MIPS memcpy


On Mon, 2012-10-15 at 13:20 -0700, Andrew Pinski wrote:

> On:
> system type             : EBB6300 (CN6335p2.1-1500-AAP)
> processor               : 0
> cpu model               : Cavium Octeon II V0.9
> 
> I get:
> ...
> 0x200757cb, (no zeros)
> 0x200757cc, (no zeros)
> 0x200757cd, (no zeros)
> 0x200757ce, (no zeros)
> 0x200757cf, (0x20075780 to 0x20075800, 128 byte prefetch)
> 
> Thanks,
> Andrew Pinski

Andrew,

Is there a macro I can/should use when building glibc/memcpy to know
that it should assume a Cavium Octeon with 128 byte prefetch instead of
the 32 byte prefetch?

Steve Ellcey
sellcey@mips.com



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