Re: Adding SSE2 asm codes for color space transforming funcion

Jason Garrett-Glaser <[email protected]> Fri, 19 Jun 2009 00:03:50 -0700
Newsgroups gmane.comp.video.xvid.devel
Message-ID <[email protected]>
> movlps [edi + 32],xmm0   ;  movlps + movhps are faster than one movdqu :)

Only on Athlon 64, probably.

On Phenom and Nehalem it will be most definitely slower, and probably
slower on basically everything else too.

Also, since the shuffle unit is slow on the Conroe, that code will
almost certainly be slower than the MMX version on Conroe.

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