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SubjectRe: MMX Technologie


On Wed, 19 Mar 1997, James Mastros wrote:

> Ingo Molnar wrote:
> >
> >
> > On Wed, 19 Mar 1997, Michies, Richard wrote:
> >
> > > Does linux 2.0.x support the MMX technologie ?
> >
> > no. (AFAIK there are no MMX patches around)
> >
> Is this a kernel issue? Shouldn't this be a simple matter of what code the
> compiler generates?
>
> > but if it's true that the K6 context switches between MMX and FPU
> > registers in ~1 cycle, then i'd be more than glad to code up some support
> > for it :)
> K6=P6?
K6 is AMD's pentium-pro comeptitive chip, and it has MMX instructions.

> >
> > but the MMX pentium (and Klamath too?) does this in some ~60 cycles which
> > is more than just scary ;)
> >
> > Newest binutils (as) have support for all the MMX opcodes.
> >
> > -- mingo
>

-Rob


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