On Sun, Nov 20, 2011 at 07:36:43PM +0000, Ben Hutchings wrote:
> 
> So far as I'm aware, none of the above will be generated directly by
> compilers (though they may be available through 'intrinsics').  So it
> may be that there is little to be gained by moving to 586-class as a
> minimum.  If that is so, we should instead think forward to 686-class
> with CMOV as a minimum for wheezy + 1.  Use of CMOV instructions is an
> important optimisation and they *are* generated directly by compilers.

And I think gcc already generates cmov instructions.


Kurt


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