From: Bodo Eggert <harvested.in.lkml@posting.7eggert.dyndns.org>
To: Gene Heskett <gene.heskett@verizon.net>,
cutaway@bellsouth.net, linux-kernel@vger.kernel.org
Subject: Re: .../asm-i386/bitops.h performance improvements
Date: Wed, 15 Jun 2005 16:57:28 +0200 [thread overview]
Message-ID: <E1DiZKe-0000em-58@be1.7eggert.dyndns.org> (raw)
In-Reply-To: 4fF2j-1Lo-19@gated-at.bofh.it
Gene Heskett <gene.heskett@verizon.net> wrote:
>>leal (%%edx,%%edi,8),%%edx
>>
> To what cpu families does this apply? eg, this may be true for intel,
> but what about amd, via etc?
lea is an 8086 instruction. All clones have it in it's basic form. However,
the multiplicator is not documented for i486, therefore it will be a i586
extension.
--
Ich danke GMX dafür, die Verwendung meiner Adressen mittels per SPF
verbreiteten Lügen zu sabotieren.
next parent reply other threads:[~2005-06-15 14:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4fB8l-73q-9@gated-at.bofh.it>
[not found] ` <4fF2j-1Lo-19@gated-at.bofh.it>
2005-06-15 14:57 ` Bodo Eggert [this message]
2005-06-15 15:30 ` .../asm-i386/bitops.h performance improvements Maciej W. Rozycki
2005-06-15 16:06 ` Richard B. Johnson
2005-06-15 16:29 ` Maciej W. Rozycki
2005-06-15 19:10 ` Bodo Eggert
2005-06-16 3:26 ` Stephen Rothwell
2005-06-16 7:10 ` Mikael Pettersson
2005-06-15 23:53 ` cutaway
2005-06-15 8:53 cutaway
2005-06-15 12:18 ` Gene Heskett
2005-06-15 13:06 ` Richard B. Johnson
2005-06-15 19:18 ` cutaway
2005-06-15 15:34 ` Maciej W. Rozycki
2005-06-15 23:48 ` cutaway
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