[FFmpeg-devel] Does i686 have MMX?

[Michael Karcher]

Am Donnerstag, den 26.08.2010, 14:29 -0400 schrieb Jason Garrett-Glaser:
> The issue is simple:
> 
> 1.  People use --cpu on x86 to mean "it should run on at least this
> CPU, and contain optimizations for all better CPUs".  --cpu=i686 is
> widely used in order to enable CMOV on normal builds.

Using --cpu=i686 to enable CMOV is quite strange, because CMOV is an
*optional* feature of the i686 CPU series. The Via C3 series is the
standard example of a i686 without CMOV.

Regards,
  Michael Karcher