From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] removal of "static foo = 0"
Date: 26 Nov 2000 12:47:53 -0800 [thread overview]
Message-ID: <8vrstp$o7d$1@cesium.transmeta.com> (raw)
In-Reply-To: <14880.29022.261932.284497@somanetworks.com> <E13ztNR-0001ew-00@the-village.bc.nu>
Followup to: <E13ztNR-0001ew-00@the-village.bc.nu>
By author: Alan Cox <alan@lxorguk.ukuu.org.uk>
In newsgroup: linux.dev.kernel
>
> That isnt what Andries is arguing about. Read harder. Its semantic differences
> rather than code differences.
>
> static int a=0;
>
> says 'I thought about this. I want it to start at zero. I've written it this
> way to remind of the fact'
>
> Sure it generates the same code
>
The problem is that it doesn't. One could argue this is a gcc bug or
rather missed optimization.
One can, of course, also write:
static int a /* = 0 */;
... to make it clear to human programmers without making gcc make bad
code.
-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt
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next prev parent reply other threads:[~2000-11-26 21:18 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-25 20:19 [PATCH] removal of "static foo = 0" Andries Brouwer
2000-11-25 21:07 ` Russell King
2000-11-25 21:29 ` Andries Brouwer
2000-11-26 1:19 ` Russell King
2000-11-25 22:11 ` Herbert Xu
2000-11-25 22:46 ` Andries Brouwer
2000-11-25 22:53 ` James A Sutherland
2000-11-25 23:55 ` Tim Waugh
2000-11-26 3:10 ` James A Sutherland
2000-11-26 10:37 ` Tigran Aivazian
2000-11-26 14:52 ` Philipp Rumpf
2000-11-28 0:01 ` Peter Samuelson
2000-11-27 4:00 ` Michael Meissner
2000-11-25 23:02 ` Jeff Garzik
2000-11-26 2:08 ` Andries Brouwer
2000-11-26 9:22 ` Martin Mares
2000-11-25 23:33 ` Herbert Xu
2000-11-27 10:03 ` Helge Hafting
2000-11-27 20:33 ` Albert D. Cahalan
2000-11-27 22:57 ` Russell King
2000-11-29 1:46 ` Albert D. Cahalan
2000-11-29 3:21 ` Peter Samuelson
2000-11-29 7:25 ` Russell King
2000-11-25 22:27 ` Tigran Aivazian
2000-11-26 1:32 ` Andries Brouwer
2000-11-26 2:11 ` Georg Nikodym
2000-11-26 4:25 ` Alan Cox
2000-11-26 5:01 ` John Alvord
2000-11-26 5:10 ` Andre Hedrick
2000-11-26 6:22 ` Keith Owens
2000-11-26 6:28 ` Andre Hedrick
2000-11-26 10:43 ` Tigran Aivazian
2000-11-26 10:52 ` Tigran Aivazian
2000-11-24 7:47 ` Pavel Machek
2000-11-26 14:32 ` bert hubert
2000-11-26 10:52 ` Rogier Wolff
2000-11-26 14:13 ` Philipp Rumpf
2000-11-26 15:19 ` Georg Nikodym
2000-11-26 20:47 ` H. Peter Anvin [this message]
2000-11-27 21:12 ` Kai Henningsen
2000-11-26 6:21 ` Werner Almesberger
-- strict thread matches above, loose matches on Subject: below --
2000-11-26 15:15 Adam J. Richter
2000-11-26 17:53 Elmer Joandi
2000-11-26 18:36 ` Alexander Viro
2000-11-26 19:11 ` Elmer Joandi
2000-11-26 22:49 ` Rogier Wolff
2000-11-27 5:56 Adam J. Richter
2000-11-27 8:41 ` Werner Almesberger
2000-11-27 8:39 ` David S. Miller
2000-11-27 9:08 ` Werner Almesberger
2000-11-27 17:21 ` Andrea Arcangeli
2000-11-27 17:36 ` Michael Meissner
2000-11-27 19:06 ` Andrea Arcangeli
2000-11-27 19:34 ` Richard B. Johnson
2000-11-28 0:28 ` Andrea Arcangeli
2000-11-28 11:25 ` Horst von Brand
2000-11-28 3:10 ` kumon
2000-11-28 3:28 ` Andrea Arcangeli
2000-11-28 3:35 ` Alexander Viro
2000-11-28 4:15 ` Michael Meissner
2000-11-28 9:55 ` Andreas Schwab
2000-11-28 15:16 ` Andrea Arcangeli
2000-11-28 16:09 ` Andreas Schwab
2000-11-28 19:29 ` Andrea Arcangeli
2000-11-28 16:44 ` Michael Meissner
2000-11-27 21:27 ` Marcus Sundberg
2000-11-27 18:11 ` Richard B. Johnson
2000-11-27 18:01 ` Michael Meissner
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