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From: "rguenth at tat dot physik dot uni-tuebingen dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug optimization/13653] [3.3 regression] -O2 -funroll-loop miscompiles POOMA testcase
Date: Sun, 18 Jan 2004 13:23:00 -0000 [thread overview]
Message-ID: <20040118132346.15627.qmail@sources.redhat.com> (raw)
In-Reply-To: <20040112101346.13653.rguenth@tat.physik.uni-tuebingen.de>
------- Additional Comments From rguenth at tat dot physik dot uni-tuebingen dot de 2004-01-18 13:23 -------
Subject: Re: [3.3 regression] -O2 -funroll-loop
miscompiles POOMA testcase
On Sun, 18 Jan 2004, dberlin at gcc dot gnu dot org wrote:
> Just a progress update
> This is taking a while to minimize because it takes 40 seconds per compile at the current length
> and i do two compiles per minimize, to make sure it works at -O2 but breaks with -O2 -funroll-
> loops.
> It'll probably be another few days before it's minimal.
> But it's already gotten 25% smaller
Many thanks for doing this work! Couldn't tree-ssa be used to re-produce
sourcecode after DCE? Or even just using cgraph for detecting completely
unused classes/methods? (I thought of using the symbol table of a -O0
compile to extract used stuff, but that requires a C++ parser again...)
Richard.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13653
next prev parent reply other threads:[~2004-01-18 13:23 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-12 10:13 [Bug optimization/13653] New: " rguenth at tat dot physik dot uni-tuebingen dot de
2004-01-12 15:56 ` [Bug optimization/13653] " pinskia at gcc dot gnu dot org
2004-01-14 21:22 ` rguenth at tat dot physik dot uni-tuebingen dot de
2004-01-15 18:55 ` bangerth at dealii dot org
2004-01-15 18:56 ` bangerth at dealii dot org
2004-01-15 19:10 ` bangerth at dealii dot org
2004-01-15 19:12 ` dberlin at dberlin dot org
2004-01-15 19:13 ` bangerth at dealii dot org
2004-01-15 19:26 ` Daniel Berlin
2004-01-15 19:26 ` dberlin at dberlin dot org
2004-01-16 8:52 ` rguenth at tat dot physik dot uni-tuebingen dot de
2004-01-18 3:54 ` dberlin at gcc dot gnu dot org
2004-01-18 13:23 ` rguenth at tat dot physik dot uni-tuebingen dot de [this message]
2004-01-28 18:45 ` bangerth at dealii dot org
2004-01-28 18:51 ` dberlin at dberlin dot org
2004-01-29 22:10 ` rguenth at tat dot physik dot uni-tuebingen dot de
2004-01-29 22:25 ` dberlin at dberlin dot org
2004-01-29 22:27 ` rguenth at tat dot physik dot uni-tuebingen dot de
2004-01-29 22:45 ` rguenth at tat dot physik dot uni-tuebingen dot de
2004-01-29 22:54 ` rguenth at tat dot physik dot uni-tuebingen dot de
2004-02-01 23:06 ` rguenth at tat dot physik dot uni-tuebingen dot de
2004-02-01 23:31 ` gdr at integrable-solutions dot net
2004-02-02 15:11 ` reichelt at gcc dot gnu dot org
2004-02-02 16:16 ` dberlin at dberlin dot org
2004-02-02 16:33 ` janis187 at us dot ibm dot com
2004-02-02 16:59 ` reichelt at gcc dot gnu dot org
2004-02-02 17:20 ` reichelt at gcc dot gnu dot org
2004-02-02 18:58 ` jh at suse dot cz
2004-02-02 21:29 ` rguenth at tat dot physik dot uni-tuebingen dot de
2004-02-15 12:39 ` gdr at gcc dot gnu dot org
2004-04-27 15:32 ` rguenth at tat dot physik dot uni-tuebingen dot de
2004-04-29 17:54 ` rguenth at tat dot physik dot uni-tuebingen dot de
2004-05-03 7:54 ` ebotcazou at gcc dot gnu dot org
2004-05-03 8:24 ` rguenth at tat dot physik dot uni-tuebingen dot de
2004-05-03 14:13 ` gdr at integrable-solutions dot net
2004-05-18 14:15 ` [Bug rtl-optimization/13653] " ebotcazou at gcc dot gnu dot org
2004-05-24 1:56 ` ebotcazou at gcc dot gnu dot org
2004-05-24 1:57 ` gdr at integrable-solutions dot net
2004-05-24 2:02 ` ebotcazou at gcc dot gnu dot org
2004-05-24 13:44 ` ebotcazou at gcc dot gnu dot org
2004-05-25 7:01 ` rguenth at tat dot physik dot uni-tuebingen dot de
2004-05-25 7:36 ` rguenth at tat dot physik dot uni-tuebingen dot de
2004-05-25 8:45 ` rguenth at tat dot physik dot uni-tuebingen dot de
2004-05-25 14:31 ` ebotcazou at gcc dot gnu dot org
2004-05-26 10:43 ` rguenth at tat dot physik dot uni-tuebingen dot de
2004-05-26 18:57 ` rguenth at tat dot physik dot uni-tuebingen dot de
2004-05-30 21:14 ` gdr at integrable-solutions dot net
2004-05-30 22:42 ` cvs-commit at gcc dot gnu dot org
2004-05-30 22:57 ` ebotcazou at gcc dot gnu dot org
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