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From: Eric Botcazou <ebotcazou@adacore.com>
To: Steven Bosscher <stevenb.gcc@gmail.com>
Cc: gcc-patches@gcc.gnu.org, Paolo Bonzini <bonzini@gnu.org>,
	Dominique Dhumieres <dominiq@lps.ens.fr>,
	hubicka@ucw.cz, Richard Henderson <rth@redhat.com>,
	Jeff Law <law@redhat.com>
Subject: Re: Fix twolf -funroll-loops -O3 miscompilation (a semi-latent web.c bug)
Date: Tue, 27 Nov 2012 23:50:00 -0000	[thread overview]
Message-ID: <2400864.NhXvZEOEfq@polaris> (raw)
In-Reply-To: <CABu31nM9+0Uf7BUkFxKGHmhdzK9jPx+zayDFU-=3+WRzhTyFCg@mail.gmail.com>

> Count me in, too.  So let's avoid it:
> 
>         * gcse.c (struct reg_use): Remove unused struct.
>         (gcse_emit_move_after): Do not create REG_EQUAL notes that reference
> the SET_DEST of the instruction the note would be attached to.

OK (with PR rtl-optimization/55006) if it passes bootstrap & regtest, thanks.

> And perhaps a bit in emit-rtl.c for good measure? I'll see if/where
> this causes breakage...

I think this would need to be wrapped in a #ifdef ENABLE_CHECKING/#endif pair.

-- 
Eric Botcazou

  reply	other threads:[~2012-11-27 23:50 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-18 23:15 Dominique Dhumieres
2012-11-19  9:50 ` Steven Bosscher
2012-11-19 11:27   ` Eric Botcazou
2012-11-19 20:35     ` Steven Bosscher
2012-11-19 21:20       ` Steven Bosscher
2012-11-19 21:52         ` Eric Botcazou
2012-11-19 22:03           ` Steven Bosscher
2012-11-19 22:44             ` Eric Botcazou
2012-11-19 22:48               ` Steven Bosscher
2012-11-23 22:46                 ` Steven Bosscher
2012-11-24  1:10                   ` Steven Bosscher
2012-11-25 20:44                     ` Steven Bosscher
2012-11-25 22:38                       ` Steven Bosscher
2012-11-26 14:38                         ` Dominique Dhumieres
2012-11-26 15:46                           ` Steven Bosscher
2012-11-27  9:58                         ` Eric Botcazou
2012-11-27 10:35                           ` Steven Bosscher
2012-11-27 12:01                             ` Steven Bosscher
2012-11-27 12:29                               ` Steven Bosscher
2012-11-27 13:04                                 ` Steven Bosscher
2012-11-27 14:25                                   ` Dominique Dhumieres
2012-11-27 14:49                                     ` Steven Bosscher
2012-11-27 13:48                                 ` Dominique Dhumieres
2012-11-27 14:33                               ` Paolo Bonzini
2012-11-27 16:59                                 ` Eric Botcazou
2012-11-27 23:29                                   ` Steven Bosscher
2012-11-27 23:50                                     ` Eric Botcazou [this message]
2012-11-27 23:54                                       ` Steven Bosscher
2012-11-27 23:59                                         ` Steven Bosscher
2012-11-28  0:43                                           ` Steven Bosscher
2012-11-28  7:46                                             ` Eric Botcazou
2012-11-28 15:57                                               ` Steven Bosscher
2012-11-28 22:12                                                 ` Eric Botcazou
2012-11-28 23:54                                                   ` Steven Bosscher
2012-12-01 14:57                                                     ` Eric Botcazou
2012-12-01 16:45                                                       ` Steven Bosscher
2012-12-03 18:26                                                         ` Eric Botcazou
2012-12-03 20:20                                                           ` Steven Bosscher
2012-12-03 21:12                                                             ` Eric Botcazou
2012-12-03 23:28                                                             ` Steven Bosscher
2012-12-03 20:15                                                       ` Paolo Bonzini
2012-11-19 21:29       ` Eric Botcazou
  -- strict thread matches above, loose matches on Subject: below --
2012-10-12 20:14 Jan Hubicka
2012-10-12 20:36 ` Markus Trippelsdorf
2012-10-12 20:44 ` Steven Bosscher
2012-10-12 21:16   ` Jan Hubicka
2012-10-12 21:19     ` Steven Bosscher
2012-10-12 21:31       ` Jan Hubicka
2012-10-12 22:41         ` Steven Bosscher
2012-10-14  9:13           ` Paolo Bonzini
2012-10-14 21:27             ` Steven Bosscher
2012-10-14 21:35               ` Eric Botcazou
2012-10-14 21:45                 ` Steven Bosscher
2012-10-15  8:14               ` Paolo Bonzini
2012-10-15  8:23                 ` Steven Bosscher
2012-10-15  8:35                   ` Paolo Bonzini
2012-10-15  8:38                     ` Steven Bosscher
2012-10-15 10:49                       ` Steven Bosscher
2012-10-15 12:28                       ` Paolo Bonzini
2012-10-15 13:19                         ` Steven Bosscher
2012-10-15 13:29                           ` Paolo Bonzini
2012-10-15 13:49                             ` Steven Bosscher
2012-10-16 10:35                               ` Steven Bosscher
2012-10-16 11:05                                 ` Steven Bosscher
2012-10-16 11:42                                   ` Paolo Bonzini
2012-10-16 22:57                                     ` Steven Bosscher
2012-10-19  5:14                                       ` Bin.Cheng
2012-10-12 21:05 ` Steven Bosscher

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