Re: [Q] Looking for an emulation for CMOV* instructions.

[Hans-Peter Jansen]

On Friday, 11. January 2002 00:28, Alan Cox wrote:
> > is it possible to include an emulation for the CMOV* (and possible other
> > i686 instructions) for processors that dont have these (k6, pentium
> > etc.)? I think this should work like the fpu emulation. Even if its slow
>
> 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.

But it shouldn't crash, if the wrong architecture is chosen. (Different
problem, I know) Perfect solution would be emulate them all, but at least
an simple error message (please eject CPU, and put in a XXX one) would be 
sufficient, IMHO. 

> If you have a static linked program install the right version. RPMv4
> even knows about cmov and i686 rpms.

Hans-Peter