Re: [RFC] x86-64: Use SSE for copy_page and clear_page

[dean gaudet]

On Mon, 30 May 2005, Benjamin LaHaise wrote:

> Below is a patch that uses 128 bit SSE instructions for copy_page and 
> clear_page.  This is an improvement on P4 systems as can be seen by 
> running the test program at http://www.kvack.org/~bcrl/xmm64.c to get 
> results like:

it looks like the patch uses SSE2 instructions (pxor, movdqa, movntdq)... 
if you use xorps, movaps, movntps then it works on SSE processors as well.

-dean
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