[MPlayer-dev-eng] [PATCH] configure cmov detection

[Zuxy Meng]

2006/10/18, Guillaume POIRIER <poirierg at gmail.com>:
> Hi,
>
> I'm not sure what you have on your mind, but as Michael said on
> ffmpeg, it's not worth compiling in 2 versions of the same code and
> switch to one of the version depending on if CMOV is supported or not.
>
> It's much simpler not to compile in any routine that contains CMOV if
> runtime cpu detection is set.

Unless we're under x86-64....

> Bear in mind that CMOV doesn't nearly bring as much as a speed-up and
> MMX can, and that function pointers add some overhead.

-- 
Zuxy
Beauty is truth,
While truth is beauty.
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