From: "Pádraig Brady" <P@draigBrady.com>
To: Stephen Hemminger <shemminger@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fls in asm for i386
Date: Mon, 05 Dec 2005 13:46:53 +0000 [thread overview]
Message-ID: <439444CD.3000205@draigBrady.com> (raw)
In-Reply-To: <20051202162240.746c436e@localhost.localdomain>
Stephen Hemminger wrote:
>There is a single instruction on i386 to find largest set bit;
>so it makes sense to use it (like we use bfs for ffs()).
>
>
Interesting, I thought this had already been done:
http://lkml.org/lkml/2003/1/28/296
http://lkml.org/lkml/2003/4/29/173
Pádraig.
prev parent reply other threads:[~2005-12-05 13:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-03 0:22 [PATCH] fls in asm for i386 Stephen Hemminger
2005-12-03 0:24 ` [PATCH] fls in asm for x86_64 Stephen Hemminger
2005-12-03 1:44 ` Andi Kleen
2005-12-05 13:46 ` Pádraig Brady [this message]
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