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Date: Mon, 25 May 2009 14:17:01 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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CC: Harald Welte <HaraldWelte@viatech.com>, Ingo Molnar <mingo@elte.hu>,
       Thomas Gleixner <tglx@linutronix.de>, linux-kernel@vger.kernel.org,
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Subject: Re: [BUG FIX] Make x86_32 uni-processor Atomic ops, Atomic
References: <200905221139.26941.lkml@morethan.org> <200905251418.39933.lkml@morethan.org> <200905251446.37022.lkml@morethan.org> <200905251610.43071.lkml@morethan.org>
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Michael S. Zick wrote:
> On Mon May 25 2009, Michael S. Zick wrote:
> 
> In actual application, this *should not* make a difference.
> 

No kidding.  This is a valid transformation for integers, since it is
all done with 2's-complement arithmetic.

Floating-point numbers is a whole other game.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.