Re: f@#$ing MMX emulator

Chris Wedgwood (chris@cybernet.co.nz)
Fri, 19 Jun 1998 16:22:24 +1200


On Thu, Jun 18, 1998 at 09:00:46PM -0700, David S. Miller wrote:
> Not totally true, as Ingo has shown doing IP checksums on MMX was not
> significantly different in complexity from doing it on Sparc VIS.

I was perhaps a bit harsh, but I did say some corner cases. Besides, we all
know Mingo's asm rocks, so anything he does can't possible count.

> You seem to allude later that MMX should have used another bank of
> registers, Sparc VIS does not do this and uses the normal FPU. I
> don't know if you were driving at things being different here between
> Sparc and Intel, but in any event they aren't in this regard.

How long does it take for the sparc to save/restore all the FPU registers?

-cw

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