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Date: Tue, 24 Apr 2001 12:46:21 +0200
From: Andrea Arcangeli <andrea@suse.de>
To: David Howells <dhowells@warthog.cambridge.redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: rwsem benchmark [was Re: [PATCH] rw_semaphores, optimisations try #3]
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In-Reply-To: <6252.988108393@warthog.cambridge.redhat.com>; from dhowells@warthog.cambridge.redhat.com on Tue, Apr 24, 2001 at 11:33:13AM +0100
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On Tue, Apr 24, 2001 at 11:33:13AM +0100, David Howells wrote:
> *grin* Fun ain't it... Try it on a dual athlon or P4 and the answer may come
> out differently.

compile with -mathlon and the compiler then should generate (%%eax) if that's
faster even if the sem is a constant, that's a compiler issue IMHO, I just give the
compiler the flexibility to do the right choice.

Andrea
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