Date: Fri, 19 Nov 2004 08:17:47 +0200 From: Petri Helenius <pete@he.iki.fi> To: Julian Elischer <julian@elischer.org> Cc: freebsd-threads@freebsd.org Subject: Re: atomic_64 operations Message-ID: <419D900B.7080703@he.iki.fi> In-Reply-To: <419D333E.7000906@elischer.org> References: <419D2FF8.7070602@he.iki.fi> <419D333E.7000906@elischer.org>
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Julian Elischer wrote:
> I don't remember, but if it's here we probably need to have it on all
> architectures..
> The 64 bit archs would be ok I guess.. don't know about ARM etc.
>
The atomic manpage states:
The type ``64'' is currently not implemented for any of the atomic
opera-
tions on the i386 architecture.
Which makes me assume all other architechtures should be ok except i386?
Pete
>
> Petri Helenius wrote:
>
>>
>> I found a patch dating back to 2002 implementing atomic 64 bit
>> arithmetic on i386. Is there a reason why that got never committed?
>>
>> (this is related to my quest reducing mutexes, having 64bit add would
>> reduce the requirement nicely)
>>
>> Pete
>>
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>
>
>
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