From: Pavel Machek <pavel@ucw.cz>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: Albert Cahalan <acahalan@gmail.com>,
akpm@osdl.org, linux-kernel@vger.kernel.org,
s0348365@sms.ed.ac.uk, bunk@stusta.de, mikpe@it.uu.se,
torvalds@osdl.org
Subject: Re: kernel + gcc 4.1 = several problems
Date: Fri, 5 Jan 2007 17:17:36 +0000 [thread overview]
Message-ID: <20070105171735.GA4745@ucw.cz> (raw)
In-Reply-To: <8069085182dff3b0e63a661d81804dbb@kernel.crashing.org>
Hi!
> >IMHO you should play such games with "g++ -O9", but
> >that's
> >a discussion for a different mailing list.
>
> For a different mailing list indeed; let me just point
> out
> that for certain important quite common cases it's an
> ~50%
> overall speedup.
Hmm, what code was that? 'signed int does not wrap around' does not
seem to provide _that_ much info...
Pavel
--
Thanks for all the (sleeping) penguins.
next prev parent reply other threads:[~2007-01-06 7:30 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-04 7:11 kernel + gcc 4.1 = several problems Albert Cahalan
2007-01-04 16:43 ` Segher Boessenkool
2007-01-04 17:04 ` Albert Cahalan
2007-01-04 17:24 ` Segher Boessenkool
2007-01-04 17:47 ` Linus Torvalds
2007-01-04 18:53 ` Segher Boessenkool
2007-01-04 19:10 ` Al Viro
2007-01-05 17:17 ` Pavel Machek [this message]
2007-01-06 8:23 ` Segher Boessenkool
2007-01-04 17:37 ` Linus Torvalds
2007-01-04 18:34 ` Segher Boessenkool
2007-01-04 22:02 ` Geert Bosch
2007-01-07 4:25 ` Denis Vlasenko
2007-01-07 4:45 ` Linus Torvalds
2007-01-07 5:26 ` Jeff Garzik
2007-01-07 15:10 ` Segher Boessenkool
2007-01-26 22:05 ` Michael K. Edwards
2007-01-04 18:08 ` Andreas Schwab
-- strict thread matches above, loose matches on Subject: below --
2007-01-03 2:12 Mikael Pettersson
2007-01-03 2:20 ` Alistair John Strachan
2007-01-05 15:53 ` Alistair John Strachan
2007-01-05 16:02 ` Linus Torvalds
2007-01-05 16:19 ` Alistair John Strachan
2007-01-05 16:49 ` Linus Torvalds
2007-01-07 0:36 ` Pavel Machek
2007-01-07 0:57 ` Alistair John Strachan
2007-01-03 5:55 ` Willy Tarreau
2007-01-03 10:29 ` Alan
2007-01-03 10:32 ` Grzegorz Kulewski
2007-01-03 11:51 ` Jeff Garzik
2007-01-03 12:44 ` Alan
2007-01-03 13:32 ` Arjan van de Ven
2007-01-03 13:58 ` Jakub Jelinek
2007-01-03 14:28 ` Alan
2007-01-03 16:06 ` Linus Torvalds
2007-01-03 16:03 ` Linus Torvalds
2007-01-03 17:01 ` l.genoni
2007-01-03 17:45 ` Tim Schmielau
2007-01-03 20:24 ` Linus Torvalds
2007-01-03 17:06 ` l.genoni
2007-01-03 17:53 ` Mariusz Kozlowski
2007-01-03 19:47 ` Denis Vlasenko
2007-01-03 20:38 ` Linus Torvalds
2007-01-03 21:48 ` Denis Vlasenko
2007-01-03 22:13 ` Linus Torvalds
2007-01-03 21:44 ` Thomas Sailer
2007-01-03 22:08 ` Linus Torvalds
2007-01-04 3:08 ` Zou, Nanhai
2007-01-04 15:34 ` Linus Torvalds
2006-12-20 14:21 Oops in 2.6.19.1 Alistair John Strachan
2006-12-30 16:59 ` Alistair John Strachan
2006-12-31 16:27 ` Adrian Bunk
2006-12-31 16:55 ` Alistair John Strachan
2007-01-02 21:10 ` kernel + gcc 4.1 = several problems Adrian Bunk
2007-01-02 21:56 ` Alistair John Strachan
2007-01-02 22:06 ` D. Hazelton
2007-01-02 23:24 ` Adrian Bunk
2007-01-02 23:41 ` D. Hazelton
2007-01-03 2:05 ` Horst H. von Brand
2007-01-02 22:13 ` Linus Torvalds
2007-01-02 23:18 ` Alistair John Strachan
2007-01-03 1:43 ` Linus Torvalds
2007-01-02 22:01 ` Linus Torvalds
2007-01-02 23:09 ` David Rientjes
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