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From: Andi Kleen <ak@muc.de>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: lkml - Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Introduce load_TLS to the "for" loop.
Date: 13 Mar 2007 14:50:00 +0100
Date: Tue, 13 Mar 2007 14:50:00 +0100	[thread overview]
Message-ID: <20070313135000.GA92373@muc.de> (raw)
In-Reply-To: <1173767976.10618.50.camel@localhost.localdomain>

On Tue, Mar 13, 2007 at 05:39:36PM +1100, Rusty Russell wrote:
> GCC (4.1 at least) unrolls it anyway, but I can't believe this code

Are you sure? Normally it doesn't unroll without -funroll-loops which
the kernel does normally not set. Especially not with -Os builds.

-Andi

  reply	other threads:[~2007-03-13 13:50 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-13  6:39 [PATCH] Introduce load_TLS to the "for" loop Rusty Russell
2007-03-13 13:50 ` Andi Kleen [this message]
2007-03-13 17:31   ` Jeremy Fitzhardinge
2007-03-13 20:55     ` Andi Kleen
2007-03-14  6:43       ` Rusty Russell
2007-03-14  6:31   ` Rusty Russell

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