linux-kernel - Re: [PATCH] crc32: remove useless _

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Date:	Mon, 2 Mar 2009 14:42:35 -0300
From:	Thiago Galesi <thiagogalesi@...il.com>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] crc32: remove useless __pure modifier from functions

>
> Hmm. They're not marked as pure in the header files. Does GCC look it up
> from the object file or something for this...?

I just tested this, the answer is No :(

It only works if it's marked in the header. But when it's marked, it
works, and redundant calls are optimized.

-- 
-
Thiago Galesi
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