Subj : Re: AMD has cmpxchg16b now - sort of
To   : comp.programming.threads
From : David Hopwood
Date : Mon Mar 07 2005 09:43 pm

Joe Seigh wrote:
> The latest architecture manual (Feb 2005) for AMD 64 bit processors shows
> cmpxchg16b as an instruction now.  Except it's a processor feature.  And
> it turns out cmpxchg16b is a processor feature for Intel 64 bit extensions
> as well.  Powerpc is looking more and more attractive.

Of course it's a processor feature. You didn't expect them to declare all
existing Athlon64s noncompliant, did you?

(And of course it's a processor feature for EM64T if it is for AMD64.)

-- 
David Hopwood <david.nospam.hopwood@blueyonder.co.uk>

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