linux-kernel - if (unlikely(...)) == unnecessary?

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Message-ID: <alpine.DEB.1.10.0901272346480.20262@alien.or.mcafeemobile.com>
Date:	Wed, 28 Jan 2009 08:54:34 -0800 (PST)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: if (unlikely(...)) == unnecessary?

I noticed that GCC >= 3.3 (not tried the ones before) automatically 
branches out the "if" code (and follow-through the "else" code, if there). 
Is that a coincidence or a rule we can rely on going forward?

- Davide

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