From: "Maciej W. Rozycki" <macro@linux-mips.org>
To: 7eggert@gmx.de
Cc: 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 16:30:37 +0100 (BST) [thread overview]
Message-ID: <Pine.LNX.4.61L.0506151629270.13835@blysk.ds.pg.gda.pl> (raw)
In-Reply-To: <E1DiZKe-0000em-58@be1.7eggert.dyndns.org>
On Wed, 15 Jun 2005, Bodo Eggert wrote:
> 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.
Huh? The SIB byte has been added in the original i386 with 32-bit
addressing.
Maciej
next prev parent reply other threads:[~2005-06-15 15:31 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 ` .../asm-i386/bitops.h performance improvements Bodo Eggert
2005-06-15 15:30 ` Maciej W. Rozycki [this message]
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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