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From: "H.J. Lu" <hjl.tools@gmail.com>
To: Erik Trulsson <ertr1013@student.uu.se>
Cc: Geert Bosch <bosch@adacore.com>,
	"Joseph S. Myers" <joseph@codesourcery.com>,
	 	Richard Guenther <richard.guenther@gmail.com>,
	Steven Bosscher <stevenb.gcc@gmail.com>,
	 	Joe Buck <Joe.Buck@synopsys.com>,
	"tprince@computer.org" <tprince@computer.org>,
	 	"gcc@gcc.gnu.org" <gcc@gcc.gnu.org>
Subject: Re: Change x86 default arch for 4.5?
Date: Sun, 21 Feb 2010 20:27:00 -0000	[thread overview]
Message-ID: <6dc9ffc81002211227s7618be16r15daebac182b3c6f@mail.gmail.com> (raw)
In-Reply-To: <20100221202244.GA120@owl.midgard.homeip.net>

On Sun, Feb 21, 2010 at 12:22 PM, Erik Trulsson <ertr1013@student.uu.se> wrote:
>>
>> I agreed that gcc for x86 should choose a sensible default for 95% of
>> current x86 processors in use. People with those old processors can
>> use older gcc or -march=.
>>
>> Default to SSE2 is a good first step.
>
> I think you vastly underestimate the number of older x86 processors in
> use.
>

There is nothing which stops them from using -march=i386. It just may not
be the default.


-- 
H.J.

  reply	other threads:[~2010-02-21 20:27 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-18 22:09 Jason Merrill
2010-02-18 23:30 ` Joe Buck
2010-02-19  0:31   ` David Daney
2010-02-19  0:54     ` Joe Buck
2010-02-19  2:00       ` Tim Prince
2010-02-19 17:31         ` Joe Buck
2010-02-20  7:58           ` Erik Trulsson
2010-02-21 11:18           ` Steven Bosscher
2010-02-21 12:06             ` Geert Bosch
2010-02-21 12:13               ` Richard Guenther
2010-02-21 12:33                 ` Paolo Carlini
2010-02-21 14:58                 ` Joseph S. Myers
2010-02-21 17:15                   ` Geert Bosch
2010-02-21 17:27                     ` H.J. Lu
2010-02-21 20:23                       ` Erik Trulsson
2010-02-21 20:27                         ` H.J. Lu [this message]
2010-02-21 21:14                           ` Erik Trulsson
2010-02-21 21:54                             ` H.J. Lu
2010-02-21 21:59                             ` Steven Bosscher
2010-02-21 23:10                               ` Erik Trulsson
2010-02-22  2:09                                 ` Vincent Lefevre
2010-02-27 17:27                                 ` Gerald Pfeifer
2010-02-21 21:54                         ` Steven Bosscher
2010-02-21 22:19                           ` Dave Korn
2010-02-21 23:28                             ` Martin Guy
2010-02-22  0:06                               ` Steven Bosscher
2010-02-21 22:50                           ` Erik Trulsson
2010-02-21 23:17                             ` Dave Korn
2010-02-22  0:29                               ` Erik Trulsson
2010-02-22 11:04                                 ` Andrew Haley
2010-02-22 17:09                                   ` Dave Korn
2010-02-22  1:21                             ` Geert Bosch
2010-02-22  1:57                               ` Joseph S. Myers
2010-02-22  2:25                                 ` Vincent Lefevre
2010-02-22  2:58                                   ` Joseph S. Myers
2010-02-22  4:23                                     ` Vincent Lefevre
2010-02-22  4:32                                       ` Vincent Lefevre
2010-02-22  2:33                                 ` Geert Bosch
2010-02-21 22:05                       ` H.J. Lu
2010-02-23  9:25                       ` Piotr Wyderski
2010-02-21 17:34                     ` Richard Guenther
2010-02-21 17:34                     ` Joseph S. Myers
2010-02-21 17:36                       ` Richard Guenther
2010-02-21 17:48                         ` Joseph S. Myers
2010-02-21 18:25                         ` Martin Guy
2010-02-21 19:09                           ` Steven Bosscher
2010-02-21 19:29                             ` Dave Korn
2010-02-21 20:03                               ` Martin Guy
2010-02-21 20:26                                 ` Dave Korn
2010-02-21 20:37                                   ` Laurent GUERBY
2010-02-21 21:55                                   ` Steven Bosscher
2010-02-22 20:32                                   ` Toon Moene
2010-02-22 20:37                                     ` Dave Korn
2010-02-21 19:46                             ` Martin Guy
2010-02-21 20:03                               ` Dave Korn
2010-02-21 20:10                               ` Joe Buck
2010-02-22  1:39                       ` Geert Bosch
2010-02-21 17:22                   ` H.J. Lu
2010-02-22  1:41                 ` Geert Bosch
2010-02-22 10:27                 ` Andrew Haley
2010-02-22 10:39                   ` Richard Guenther
2010-02-19 20:56         ` Florian Weimer
2010-02-19 23:06           ` Joel Dice
2010-02-19  0:46 ` Joseph S. Myers
2010-02-19  2:57   ` Jason Merrill
2010-02-19 17:02     ` Paolo Bonzini
2010-02-21 11:21   ` Paolo Carlini
2010-02-21 18:02     ` Dave Korn
2010-02-21 18:28       ` Martin Guy
2010-02-24 23:00   ` Jason Merrill
2010-02-25  7:07     ` Uros Bizjak
2010-02-25 10:37       ` Paolo Bonzini
2010-02-25 10:48         ` Paolo Bonzini
2010-02-25 23:14         ` Jason Merrill
2010-02-26 11:00           ` H.J. Lu

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