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SubjectRe: [Q] Looking for an emulation for CMOV* instructions.
Hi!

> > The kernel isnt there to fix up the fact authors can't read. Its also very
> > hard to get emulations right. I grant that this wasn't helped by the fact
> > the gcc x86 folks also couldnt read the pentium pro manual correctly.
>
> One corner case where emulation would IMHO make sense would be CMPXCHG8.
> It would allow to do efficient inline mutexes in pthreads, and hit the
> emulation only on 386/486. cpu feature flag checking is unfortunately
> not an option normally for inline code.
>
> -Andi (who would have already done it if he had an 486/386 to test)

Do you want one? I have elonex, which is 486sx, small and quiet (needs
NFS root). But I'd want it back eventually. Or I might be able to get
you some 386...
Pavel
--
Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt,
details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.

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