PATCH: Intel Xeon E5440 identified as p3
Torbjorn Granlund
tg at swox.com
Mon Apr 21 18:39:37 CEST 2008
Tristan Gingold <gingold at adacore.com> writes:
On Apr 19, 2008, at 8:29 AM, Torbjorn Granlund wrote:
>
> ! family = ((fms >> 8) & 15) | ((fms >> 16) & 0xf0);
> ! model = ((fms >> 4) & 15) | ((fms >> 12) & 0xf0);
> stepping = fms & 15;
>
> I don't think that is correct, the "extended family" field is 8 bits
> wide and should be added,to contatenated to the family field:
>
> family = ((fms >> 8) & 15) | ((fms >> 20) & 0xff);
> model = ((fms >> 4) & 15) | ((fms >> 12) & 0xf0);
>
> Yes, this is silly, but it is how cpuid is defined.
Right, so this should be a '+' instead of '|'.
Right.
--
Torbjörn
More information about the gmp-devel
mailing list