On Tue, 29 Aug 2006, David Howells wrote:
> Because i386 (and x86_64) can do better by using XADDL/XADDQ.
And Ia64 would like to use fetchadd....
> CMPXCHG is not available on all archs, and may not be implemented on all archs
> through other atomic instructions.
Which arches do not support cmpxchg?
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