i486 base architecture
Nicholas Miell
nmiell at comcast.net
Wed Dec 1 06:22:54 UTC 2004
On Tue, 2004-11-30 at 23:06 -0500, William M. Quarles wrote:
> Alan Cox wrote:
> > On Tue, Nov 30, 2004 at 09:56:23PM -0500, William M. Quarles wrote:
> >
> >>What differences between i386 and i486 would become a benefit if the
> >>base architecture was changed from i386 to i486?
> >
> > The only thing 486 might give is the ability to consign the old linuxthread
> > stuff to the dustbin of back compatibility.
>
> I'm guessing that's supposed to be a joke?
No, the x86 NPTL implementation requires the CMPXCHG instruction, which
was introduced in the i486.
--
Nicholas Miell <nmiell at comcast.net>
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