On Fri, 12 Sep 2014, Daniel Kang wrote:
> > All processors supporing mmx2 also support cmov, so if a test for mmx2
> > succeeds, we can use cmov.
> Since I originally thought mmx => cmov (and apparently am wrong) is there
> official documentation supporting this?
There is no official documentation, it is just a historical fact.
MMX2 was introduced in Pentium 3 (it already has CMOV) and in Athlon (it
also has CMOV).
Mikulas
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