linux-kernel - Re: [patch 4/7] Immediate Values

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Message-ID: <471CD256.8000104@zytor.com>
Date:	Mon, 22 Oct 2007 09:39:50 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
CC:	Jeremy Fitzhardinge <jeremy@...p.org>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, Andi Kleen <ak@....de>,
	Chuck Ebbert <cebbert@...hat.com>,
	Christoph Hellwig <hch@...radead.org>
Subject: Re: [patch 4/7] Immediate Values - i386 Optimization

Mathieu Desnoyers wrote:
> 
> Will fix. I noticed that it was because I had too much "register" char
> variables declared and used at the same time. Putting a "g" constraint
> gave the same result.
> 

"g" is the same as "rmi", which is probably *NOT* what you want.

Don't use "register" variables.  That's a poor workaround for using the 
proper constraints.

	-hpa
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