atomic_64 operations

[Petri Helenius]

Daniel Eischen wrote:

>On Fri, 19 Nov 2004, Petri Helenius wrote:
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>>I found a patch dating back to 2002 implementing atomic 64 bit
>>arithmetic on i386. Is there a reason why that got never committed?
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>For <machine/atomic.h>?  I'd ask over on -current.
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Google found it at:
http://www.csie.nctu.edu.tw/news/article/freebsd.csie.nctu.edu.tw/mailing.freebsd.audit/1929h

Pete

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>>(this is related to my quest reducing mutexes, having 64bit add would
>>reduce the requirement nicely)
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