From owner-freebsd-threads@FreeBSD.ORG Fri Nov 19 06:17:50 2004 Return-Path: Delivered-To: freebsd-threads@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B0D8116A4CE for ; Fri, 19 Nov 2004 06:17:50 +0000 (GMT) Received: from silver.he.iki.fi (helenius.fi [193.64.42.241]) by mx1.FreeBSD.org (Postfix) with ESMTP id DE53043D46 for ; Fri, 19 Nov 2004 06:17:49 +0000 (GMT) (envelope-from pete@he.iki.fi) Received: from [193.64.42.134] (h86.vuokselantie10.fi [193.64.42.134]) by silver.he.iki.fi (8.13.1/8.11.4) with ESMTP id iAJ6HhmS079310; Fri, 19 Nov 2004 08:17:44 +0200 (EET) (envelope-from pete@he.iki.fi) Message-ID: <419D900B.7080703@he.iki.fi> Date: Fri, 19 Nov 2004 08:17:47 +0200 From: Petri Helenius User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.2) Gecko/20040803 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Julian Elischer References: <419D2FF8.7070602@he.iki.fi> <419D333E.7000906@elischer.org> In-Reply-To: <419D333E.7000906@elischer.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-threads@freebsd.org Subject: Re: atomic_64 operations X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Nov 2004 06:17:50 -0000 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 >> >> _______________________________________________ >> freebsd-threads@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-threads >> To unsubscribe, send any mail to >> "freebsd-threads-unsubscribe@freebsd.org" > > >