On Fri, 7 Jan 2000, Andrea Arcangeli wrote:
> You are talking about xchg (and it's 64bit variant) but they are
> unrelated.
xchg yes. What 64bit variant? Since you are not talking about IA64
(especially if you signed NDA) the only "64bit variant" is CMPXCHG8B which
does require explicit locking with LOCK prefix.
Regards,
Tigran.
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