Date: Wed, 3 Jan 2007 14:28:39 +0000
From: Alan <alan@lxorguk.ukuu.org.uk>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Grzegorz Kulewski <kangur@polcom.net>, Mikael Pettersson <mikpe@it.uu.se>,
       s0348365@sms.ed.ac.uk, torvalds@osdl.org, 76306.1226@compuserve.com,
       akpm@osdl.org, bunk@stusta.de, greg@kroah.com,
       linux-kernel@vger.kernel.org, yanmin_zhang@linux.intel.com
Subject: Re: kernel + gcc 4.1 = several problems
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> cmov is effectively the same cost as a compare and jump, in both cases
> the cpu needs to do a prediction, and on a mispredict, restart.

On a P4 it appears to be slower than compare/jump in most cases

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