From: Russell King <rmk@arm.linux.org.uk>
To: Bernardo Innocenti <bernie@develer.com>, Ian Molton <spyro@f2s.com>
Cc: linux-kernel@vger.kernel.org, torvalds@transmeta.com
Subject: Re: [PATCH] Kill div64.h dupes, parenthesize do_div() macro params
Date: Wed, 2 Jul 2003 08:53:02 +0100 [thread overview]
Message-ID: <20030702085302.A30638@flint.arm.linux.org.uk> (raw)
In-Reply-To: <200307020515.17722.bernie@develer.com>; from bernie@develer.com on Wed, Jul 02, 2003 at 05:15:17AM +0200
On Wed, Jul 02, 2003 at 05:15:17AM +0200, Bernardo Innocenti wrote:
> What's worse, it has different semantics on different architectures:
Any arch which does 32/32 -> 32q + 32r will break in the new time code;
it certainly did for ARM. do_div must now be a 64/32 -> 64q + 32r
implementation.
> arm 64/32 -> 64q + 32r (asm function call)
> arm26 32/32 -> 32q + 32r (generic)
arm26 needs fixing in the same way arm recently was.
--
Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux
http://www.arm.linux.org.uk/personal/aboutme.html
next prev parent reply other threads:[~2003-07-02 7:38 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-02 0:32 [PATCH] Kill div64.h dupes, parenthesize do_div() macro params Bernardo Innocenti
[not found] ` <20030701173612.280d1296.akpm@digeo.com>
2003-07-02 2:24 ` Bernardo Innocenti
2003-07-02 2:32 ` Andrew Morton
2003-07-02 3:15 ` Bernardo Innocenti
2003-07-02 5:12 ` Linus Torvalds
2003-07-02 7:53 ` Russell King [this message]
2003-07-02 8:14 ` Ian Molton
2003-07-02 5:09 ` Linus Torvalds
2003-07-02 7:02 ` Bernardo Innocenti
2003-07-02 7:54 ` Matti Aarnio
2003-07-02 3:36 ` Peter Chubb
2003-07-02 4:37 ` Bernardo Innocenti
2003-07-02 5:57 ` Andrea Arcangeli
2003-07-02 6:52 ` Bernardo Innocenti
2003-07-02 7:19 ` Andrea Arcangeli
2003-07-02 7:28 ` Bernardo Innocenti
2003-07-02 8:38 ` Andrea Arcangeli
2003-07-02 16:16 ` Linus Torvalds
2003-07-03 10:43 ` [PATCH] Fix do_div() for all architectures Bernardo Innocenti
2003-07-02 7:56 ` [PATCH] Kill div64.h dupes, parenthesize do_div() macro params Russell King
2003-07-02 5:06 ` Linus Torvalds
2003-07-02 14:23 ` Geert Uytterhoeven
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