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Date: Wed, 30 Oct 2013 16:21:20 +0000
From: Bruce Cran <bruce@cran.org.uk>
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To: Tijl Coosemans <tijl@coosemans.org>
Subject: Re: Code segfaults with clang -O1, works with gcc49 and clang -O2
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 <20131030143301.623be910@kalimero.tijl.coosemans.org>
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On 10/30/2013 1:33 PM, Tijl Coosemans wrote:
> Should be: "=c" (*ecx)
>
> But you can also use the '+' modifier and remove the input operands:
>
> : "+a" (*eax), "=b" (*ebx), "+c" (*ecx), "=d" (*edx)
> :
> : "memory"

That fixed it - thanks!

-- 
Bruce Cran