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Date: Fri, 25 Jun 2010 13:08:23 +0200 (CEST)
Subject: Re: [PATCH] Adjust arch/powerpc inline asms for recent gcc change
From: "Segher Boessenkool" <segher@kernel.crashing.org>
To: "Jakub Jelinek" <jakub@redhat.com>
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Cc: Paul Mackerras <paulus@samba.org>, linuxppc-dev@ozlabs.org
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> -		stw%U0%X0 %L2,%1"
> -	: "=m" (*ptep), "=m" (*((unsigned char *)ptep+4))
> +		stw%U1%X1 %L2,%1"
> +	: "=m<>" (*ptep), "=m<>" (*((unsigned char *)ptep+4))
>  	: "r" (pte) : "memory");

This still isn't correct -- the constraint says that a byte
is written, but the insn changes a word.  Probably should just
be ptep[1] ?


Segher