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From: John Baldwin <jhb@FreeBSD.org>
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Date: Fri, 2 Sep 2005 15:42:20 -0400
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Cc: powerpc@freebsd.org, alpha@freebsd.org
Subject: Re: [PATCH] Cleanup asm constraints in atomic operations
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On Friday 02 September 2005 03:32 pm, John Baldwin wrote:
> alc@ brought to my attention a while back that while gcc allows one to use
> the '+' constraint modifier to collapse identical input and output operands
> that are in registers, it is only allowed for registers and not for memory
> operands.  The patch below removes uses of the '+' modifier in conjunction
> with memory operands in the atomic operations for alpha, amd64, i386, and
> powerpc.  Please test and let me know if there are any regressions.

*sigh*

http://www.FreeBSD.org/~jhb/patches/atomic.patch

-- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org