From: Jeffrey A Law <law@cygnus.com>
To: "David S. Miller" <davem@redhat.com>
Cc: mark@codesourcery.com, jason@cygnus.com,
martin@mira.isdn.cs.tu-berlin.de, egcs@egcs.cygnus.com
Subject: Re: Linux and aliasing?
Date: Wed, 30 Jun 1999 15:43:00 -0000 [thread overview]
Message-ID: <4099.928772051@upchuck.cygnus.com> (raw)
Message-ID: <19990630154300.4pl1jnkBlI1Zy2yFfZPxRLXpVe-PSWpEIs0w1PeS-kQ@z> (raw)
In-Reply-To: <199906071545.IAA07099@pizda.davem.net>
In message < 199906071545.IAA07099@pizda.davem.net >you write:
> Other compiler vendors seem to have done it in two stages:
>
> 1) Ok, the strict aliasing is there, but not a default optimization,
> you have to enable it explicitly. But come next release it will be
> on by default and thus you have ample time to fixup your code.
Err, we had this in egcs-1.1. One had to enable type based alias analysis
explicitly via -fstrict-aliasing.
> 2) It's on by default in this new subsequent release, we warned you.
With the full intention of doing this for egcs-1.2 (now gcc-2.95). It
probably was even mentioned in the release notes for egcs-1.1.
jeff
next prev parent reply other threads:[~1999-06-30 15:43 UTC|newest]
Thread overview: 218+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-06-03 10:23 Chip Salzenberg
1999-06-03 10:37 ` mark
1999-06-03 11:26 ` David S. Miller
1999-06-03 12:03 ` mark
1999-06-03 12:25 ` David S. Miller
1999-06-03 20:06 ` craig
1999-06-03 23:03 ` Linus Torvalds
1999-06-03 23:45 ` mark
1999-06-04 0:04 ` Linus Torvalds
1999-06-04 1:08 ` Branko Cibej
1999-06-30 15:43 ` Branko Cibej
1999-06-04 1:24 ` Joe Buck
1999-06-04 1:50 ` Linus Torvalds
1999-06-04 5:46 ` craig
1999-06-04 7:22 ` burley (was Re: Linux and aliasing?) Mark Hahn
1999-06-04 8:16 ` craig
1999-06-30 15:43 ` craig
1999-06-30 15:43 ` Mark Hahn
1999-06-04 8:35 ` Linux and aliasing? Linus Torvalds
1999-06-04 10:04 ` Joe Buck
1999-06-04 10:22 ` Jeffrey A Law
1999-06-04 10:31 ` Joe Buck
1999-06-04 10:53 ` Jeffrey A Law
1999-06-30 15:43 ` Jeffrey A Law
1999-06-30 15:43 ` Joe Buck
1999-07-11 10:55 ` Jeffrey A Law
1999-07-31 23:33 ` Jeffrey A Law
1999-06-04 11:11 ` Toon Moene
1999-06-04 12:20 ` Jeffrey A Law
1999-06-05 5:45 ` Toon Moene
1999-06-05 6:23 ` Andi Kleen
1999-06-05 10:32 ` Toon Moene
1999-06-05 13:26 ` Jamie Lokier
1999-06-05 19:35 ` Linus Torvalds
1999-06-06 1:18 ` Martin v. Loewis
1999-06-06 10:46 ` Linus Torvalds
1999-06-30 15:43 ` Linus Torvalds
1999-06-06 17:56 ` Jason Merrill
1999-06-06 19:24 ` Tim Hollebeek
1999-06-30 15:43 ` Tim Hollebeek
1999-06-06 22:23 ` Jeffrey A Law
1999-06-30 15:43 ` Jeffrey A Law
[not found] ` <199906070645.IAA00615@mira.isdn.cs.tu-berlin.de>
1999-06-07 2:14 ` Jason Merrill
1999-06-07 8:02 ` mark
1999-06-07 8:41 ` David S. Miller
1999-06-07 9:24 ` Jeffrey A Law [this message]
1999-06-07 9:29 ` David S. Miller
1999-06-30 15:43 ` David S. Miller
1999-06-30 15:43 ` Jeffrey A Law
1999-06-07 9:32 ` Joe Buck
1999-06-30 15:43 ` Joe Buck
1999-06-30 15:43 ` David S. Miller
1999-06-30 15:43 ` mark
1999-06-07 13:11 ` Jeffrey A Law
1999-06-30 15:43 ` Jeffrey A Law
1999-06-30 15:43 ` Jason Merrill
1999-06-30 15:43 ` Jason Merrill
1999-06-30 15:43 ` Martin v. Loewis
1999-06-30 15:43 ` Linus Torvalds
1999-06-30 15:43 ` Jamie Lokier
1999-06-05 18:48 ` Linus Torvalds
1999-06-30 15:43 ` Linus Torvalds
1999-06-30 15:43 ` Toon Moene
1999-06-05 10:37 ` mark
1999-06-05 11:09 ` David S. Miller
1999-06-05 12:11 ` Toon Moene
1999-06-05 12:21 ` David S. Miller
1999-06-05 16:51 ` mark
1999-06-30 15:43 ` mark
1999-06-30 15:43 ` David S. Miller
1999-06-30 15:43 ` Toon Moene
1999-06-07 6:01 ` Joern Rennecke
1999-06-30 15:43 ` Joern Rennecke
1999-06-30 15:43 ` David S. Miller
1999-06-05 11:35 ` Andi Kleen
1999-06-30 15:43 ` Andi Kleen
1999-06-05 12:41 ` Jamie Lokier
1999-06-05 14:43 ` Martin v. Loewis
1999-06-30 15:43 ` Martin v. Loewis
1999-06-05 16:53 ` mark
1999-06-07 2:36 ` Jamie Lokier
1999-06-07 8:04 ` mark
1999-06-30 15:43 ` mark
1999-06-30 15:43 ` Jamie Lokier
1999-06-30 15:43 ` mark
1999-06-30 15:43 ` Jamie Lokier
1999-06-30 15:43 ` mark
1999-06-30 15:43 ` Andi Kleen
1999-06-06 23:12 ` f77 vs type based alias analysis Jeffrey A Law
1999-06-30 15:43 ` Jeffrey A Law
1999-06-06 23:20 ` Linux and aliasing? Jeffrey A Law
1999-06-30 15:43 ` Jeffrey A Law
1999-06-30 15:43 ` Toon Moene
1999-06-30 15:43 ` Jeffrey A Law
1999-06-05 4:05 ` Andi Kleen
1999-06-30 15:43 ` Andi Kleen
1999-06-30 15:43 ` Toon Moene
1999-06-30 15:43 ` Jeffrey A Law
1999-06-04 11:49 ` Linus Torvalds
1999-06-04 13:03 ` Gabriel Dos_Reis
1999-06-04 13:13 ` Joe Buck
1999-06-30 15:43 ` Joe Buck
1999-06-30 15:43 ` Gabriel Dos_Reis
1999-06-30 15:43 ` Linus Torvalds
1999-06-04 12:59 ` Alexandre Oliva
1999-06-04 13:29 ` Joe Buck
1999-06-04 13:39 ` Alexandre Oliva
1999-06-30 15:43 ` Alexandre Oliva
1999-06-30 15:43 ` Joe Buck
1999-06-30 15:43 ` Alexandre Oliva
1999-06-30 15:43 ` Joe Buck
1999-06-30 15:43 ` Linus Torvalds
1999-06-30 15:43 ` craig
1999-06-30 15:43 ` Linus Torvalds
1999-06-30 15:43 ` Joe Buck
1999-06-04 5:47 ` craig
1999-06-30 15:43 ` craig
1999-06-04 7:11 ` mark
1999-06-04 8:38 ` Linus Torvalds
1999-06-30 15:43 ` Linus Torvalds
1999-06-30 15:43 ` mark
1999-06-04 8:41 ` Tim Hollebeek
1999-06-04 8:53 ` Jeffrey A Law
1999-06-30 15:43 ` Jeffrey A Law
1999-06-30 15:43 ` Tim Hollebeek
1999-06-30 15:43 ` Linus Torvalds
1999-06-30 15:43 ` mark
1999-06-04 5:47 ` craig
1999-06-04 8:17 ` Linus Torvalds
1999-06-04 8:49 ` craig
1999-06-04 8:57 ` Linus Torvalds
1999-06-04 9:02 ` Jean-Pierre Radley
1999-06-30 15:43 ` Jean-Pierre Radley
1999-06-30 15:43 ` Linus Torvalds
1999-06-30 15:43 ` craig
1999-06-30 15:43 ` Linus Torvalds
1999-06-30 15:43 ` craig
1999-06-04 8:39 ` Tim Hollebeek
1999-06-04 8:55 ` Linus Torvalds
1999-06-04 15:20 ` Richard Henderson
1999-06-05 9:50 ` Linus Torvalds
1999-06-05 11:00 ` mark
1999-06-06 10:30 ` Linus Torvalds
1999-06-06 10:44 ` mark
1999-06-06 14:17 ` Linus Torvalds
1999-06-06 17:41 ` mark
1999-06-07 8:58 ` Linus Torvalds
1999-06-07 9:18 ` mark
1999-06-07 9:29 ` Linus Torvalds
1999-06-07 9:38 ` Tim Hollebeek
1999-06-07 10:05 ` Jamie Lokier
1999-06-30 15:43 ` Jamie Lokier
1999-06-07 10:44 ` Linus Torvalds
1999-06-07 11:22 ` Jeffrey A Law
1999-06-08 1:34 ` Nick Ing-Simmons
1999-06-08 1:48 ` Jeffrey A Law
1999-06-30 15:43 ` Jeffrey A Law
1999-06-30 15:43 ` Nick Ing-Simmons
1999-06-30 15:43 ` Jeffrey A Law
1999-06-30 15:43 ` Linus Torvalds
1999-06-30 15:43 ` Tim Hollebeek
1999-06-30 15:43 ` Linus Torvalds
1999-06-30 15:43 ` mark
1999-06-07 13:34 ` Jamie Lokier
1999-06-30 15:43 ` Jamie Lokier
1999-06-30 15:43 ` Linus Torvalds
1999-06-30 15:43 ` mark
1999-06-30 15:43 ` Linus Torvalds
1999-06-30 15:43 ` mark
1999-06-30 15:43 ` Linus Torvalds
1999-06-30 15:43 ` mark
1999-06-30 15:43 ` Linus Torvalds
1999-06-30 15:43 ` Richard Henderson
1999-06-30 15:43 ` Linus Torvalds
1999-06-30 15:43 ` Tim Hollebeek
1999-06-04 15:02 ` Richard Henderson
1999-06-04 16:50 ` Bernd Schmidt
1999-06-30 15:43 ` Bernd Schmidt
1999-06-05 9:35 ` Linus Torvalds
1999-06-05 13:34 ` Richard Henderson
1999-06-05 18:40 ` Linus Torvalds
1999-06-30 15:43 ` Linus Torvalds
1999-06-05 21:38 ` Jakub Jelinek
1999-06-30 15:43 ` Jakub Jelinek
1999-06-30 15:43 ` Richard Henderson
1999-06-30 15:43 ` Linus Torvalds
1999-06-30 15:43 ` Richard Henderson
1999-06-30 15:43 ` Linus Torvalds
1999-06-03 23:53 ` Martin v. Loewis
1999-06-30 15:43 ` Martin v. Loewis
[not found] ` <v04205101b37d700fbf8d@[192.168.1.254]>
1999-06-04 7:01 ` craig
1999-06-30 15:43 ` craig
1999-06-30 15:43 ` craig
1999-06-30 15:43 ` David S. Miller
1999-06-03 13:31 ` Andi Kleen
1999-06-30 15:43 ` Andi Kleen
1999-06-30 15:43 ` mark
1999-06-30 15:43 ` David S. Miller
1999-06-03 12:02 ` Andi Kleen
1999-06-03 15:38 ` Martin v. Loewis
1999-06-30 15:43 ` Martin v. Loewis
1999-06-30 15:43 ` Andi Kleen
1999-06-30 15:43 ` mark
1999-06-30 15:43 ` Chip Salzenberg
1999-06-04 11:54 Mike Stump
1999-06-04 12:13 ` Jeffrey A Law
1999-06-04 13:25 ` Sylvain Pion
1999-06-04 13:32 ` Jeffrey A Law
1999-06-30 15:43 ` Jeffrey A Law
1999-06-30 15:43 ` Sylvain Pion
1999-06-30 15:43 ` Jeffrey A Law
1999-06-30 15:43 ` Mike Stump
1999-06-06 15:08 Ross Harvey
1999-06-06 15:46 ` Linus Torvalds
1999-06-30 15:43 ` Linus Torvalds
1999-06-06 17:29 ` David S. Miller
1999-06-30 15:43 ` David S. Miller
1999-06-30 15:43 ` Ross Harvey
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