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Subject: Re: [PATCH] i386 rw_semaphores fix
To: hpa@zytor.com (H. Peter Anvin)
Date: Wed, 11 Apr 2001 23:06:40 +0100 (BST)
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <9b26el$3tr$1@cesium.transmeta.com> from "H. Peter Anvin" at Apr 11, 2001 11:06:13 AM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> Yes, the big 686 optimization is CMOV, and that one is
> ultra-pervasive.

Be careful there. CMOV is an optional instruction. gcc is arguably wrong
in using cmov in '686' mode. Building libs with cmov makes sense though 
especially for the PIV with its ridiculously long pipeline

> 

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