From: Matti Aarnio <matti.aarnio@zmailer.org>
To: David Woodhouse <dwmw2@infradead.org>
Cc: Matti Aarnio <matti.aarnio@zmailer.org>,
Bart Trojanowski <bart@jukie.net>,
Manoj Sontakke <manojs@sasken.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: which gcc version?
Date: Thu, 5 Apr 2001 15:31:45 +0300 [thread overview]
Message-ID: <20010405153145.C873@mea-ext.zmailer.org> (raw)
In-Reply-To: <20010405150219.B873@mea-ext.zmailer.org> <Pine.LNX.4.21.0104051930580.2687-100000@pcc65.sasi.com> <Pine.LNX.4.30.0104050732080.13246-100000@localhost> <20010405150219.B873@mea-ext.zmailer.org> <25567.986473592@redhat.com>
In-Reply-To: <25567.986473592@redhat.com>; from dwmw2@infradead.org on Thu, Apr 05, 2001 at 01:26:32PM +0100
On Thu, Apr 05, 2001 at 01:26:32PM +0100, David Woodhouse wrote:
> matti.aarnio@zmailer.org said:
> > To think of it, there really should be explicitely callable
> > versions of these with LinuxKernel names for them, not gcc
> > builtins. That way people would *know* they are doing
> > something, which is potentially very slow.
> > (And the API would not change from underneath them.)
>
> Like include/asm-*/div64.h::do_div()?
Like that (*) - but that has limited value spaces,
the divider can be at most 32 bits, probably far less.
> --
> dwmw2
/Matti Aarnio
(*) Trying to recall when I, and few others, created that beast.
The divisor code in itself isn't mine, but the idea of supporting
%Ld at printk() most definitely is..
next prev parent reply other threads:[~2001-04-05 12:33 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-05 10:56 Manoj Sontakke
2001-04-05 5:48 ` Alexander Viro
2001-04-05 14:09 ` Manoj Sontakke
2001-04-05 11:37 ` Bart Trojanowski
2001-04-05 12:02 ` Matti Aarnio
2001-04-05 12:26 ` David Woodhouse
2001-04-05 12:31 ` Matti Aarnio [this message]
2001-04-05 13:09 ` Richard B. Johnson
2001-04-05 11:45 ` Matti Aarnio
2001-04-05 11:50 ` christophe barbe
2001-11-23 12:53 Which " Roy Sigurd Karlsbakk
2001-11-23 12:57 ` Arjan van de Ven
2001-11-23 13:51 ` war
2001-11-23 19:43 ` J Sloan
2001-11-23 13:59 ` Anton Altaparmakov
2001-11-23 14:11 ` war
2001-11-23 15:14 ` Arjan van de Ven
2001-11-23 15:30 ` Gábor Lénárt
2001-11-23 15:34 ` Arjan van de Ven
2001-11-23 19:50 ` J Sloan
2001-11-23 20:34 ` John Jasen
2001-11-23 21:55 ` J Sloan
2001-11-24 3:08 ` John Jasen
2001-11-24 12:24 ` Paul G. Allen
2001-11-26 18:31 ` Alan Cox
2001-11-27 8:42 ` Ahmed Masud
2001-11-23 16:10 ` Anton Altaparmakov
2001-11-23 14:43 ` Anton Altaparmakov
2001-11-23 16:23 ` Jeff Garzik
2001-11-23 18:30 ` Daniel Phillips
2001-11-23 18:56 ` Anton Altaparmakov
2001-11-23 19:28 ` Daniel Phillips
2001-11-23 20:14 ` Andrew Morton
2001-11-23 20:24 ` Anton Altaparmakov
2001-11-23 20:35 ` Andrew Morton
2001-11-23 21:09 ` David Weinehall
2001-11-24 16:01 ` Luigi Genoni
2001-11-24 16:09 ` Daniel Phillips
2001-11-24 17:32 ` Luigi Genoni
2001-11-23 17:12 RaúlNúñez de Arenas Coronado
2001-11-23 18:02 ` M. Edward (Ed) Borasky
2001-11-23 18:14 ` Thorsten Glaser
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