Re: i686 quirk for AMD Geode

From: H. Peter Anvin
Date: Fri Nov 06 2009 - 11:44:54 EST

On 11/06/2009 06:59 AM, Matteo Croce wrote:
> indeed it has MMX, MMXEXT and CMOV, just lacks the long NOP instruction (NOPL).

MMX and MMXEXT are hardly hallmarks of i686, which leaves only cmov.
I'm somewhat wondering about the general value of this patch; is i686
code really that much faster on Geode that it's worth it?


H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.

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