On Fri, Dec 16, 2005 at 02:53:06PM -0800, David S. Miller wrote:
> I'll have to add "put write prefetch in CAS sequences" onto my sparc64
> TODO list :-)
You might consider just beginning your loops like
mov zero, old
cas [mem], zero, old
to do the initial read, since old will now contain the
contents of the memory, and we havn't changed the memory.
r~
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