Re: i387/FPU init issues...

[H. Peter Anvin]

James Courtier-Dutton wrote:
> H. Peter Anvin wrote:
> > Thomas Gleixner wrote:
> > > Jan, are you sure that P3 knows the P6 NOPs ? AFAICT its P4, but I
> > > have to dig up the manuals.
> >
> > Pentium III is the P6 core, so it will.
> >
> > Intel explicitly documents "all processors with family 6 or F."
> >
> > -hpa
>
>  From the intel manual
>
> 0F 1F /0 NOP
> The multi-byte form of NOP is available on processors with model encoding:
> • CPUID.01H.EAX[Bytes 11:8] = 0110B or 1111B
> The multi-byte NOP instruction does not alter the content of a register 
> and will not
> issue a memory operation. The instruction’s operation is the same in 
> non-64-bit
> modes and 64-bit mode.

I believe that's what I just said...

	-hpa
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