Date: Mon, 13 Nov 2006 00:44:12 +0100 From: Olivier Houchard <mlfbsd@cognet.ci0.org> To: Nicholas Clark <nick@ccl4.org> Cc: arm@freebsd.org, Giorgos Keramidas <keramida@freebsd.org>, current@freebsd.org Subject: Re: [head tinderbox] failure on arm/arm Message-ID: <20061112234412.GA12998@ci0.org> In-Reply-To: <20061112232742.GU6501@plum.flirble.org> References: <20061112142710.GE91556@wombat.fafoe.narf.at> <20061112133929.9194773068@freebsd-current.sentex.ca> <20061112140010.GA47660@rambler-co.ru> <20061112144230.GC2331@kobe.laptop> <20061112145151.GC49703@rambler-co.ru> <20061112151150.GA2988@kobe.laptop> <84dead720611120758r4f1cc6e8l8ca4432ba56f3f7f@mail.gmail.com> <20061112170711.GQ6501@plum.flirble.org> <20061112233434.GA12739@ci0.org> <20061112232742.GU6501@plum.flirble.org>
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On Sun, Nov 12, 2006 at 11:27:42PM +0000, Nicholas Clark wrote: > On Mon, Nov 13, 2006 at 12:34:34AM +0100, Olivier Houchard wrote: > > > No, we're not using the mixed endian IEEE 64bits representation. We're > > defaulting to softfloat VFP. What would be te point of switching ? > > >From my limited understanding of these things (mostly observing on the > ARM Linux lists) absolutely none. The mixed endian IEEE representation > is a complete pain, I'm unaware of any reason why it was chosen over a > conventional little endian representation (probably back some time in > 1987). > I thought so :) I think FPA is used for historical reasons, because that's what some older arm cpus used when they had a FPU. And of course using a kernel FPE was a great idea for linux too. Olivier
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