Re: x86 memcpy performance

[melwyn lobo]

> Yes, on 32-bit you're using the compiler-supplied version
> __builtin_memcpy when CONFIG_KMEMCHECK=n and your gcc is of version 4
> and above. Reportedly, using __builtin_memcpy generates better code.
>
> Btw, my version of SSE memcpy is 64-bit only.
>
> --
> Regards/Gruss,
> Boris.
>
>

We would rather use the 32 bit patch. Have you already got a 32 bit
patch. How can I use sse3 for 32 bit.
I don't think you have submitted 64 bit patch in the mainline.
Is there still work ongoing on this.

Regards,
Melwyn
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