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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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