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From: "steven at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/43884] Performance degradation of the simple example (fibonacci) 4.3.3->4.5.0
Date: Sun, 25 Apr 2010 11:42:00 -0000 [thread overview]
Message-ID: <20100425114210.2709.qmail@sourceware.org> (raw)
In-Reply-To: <bug-43884-6649@http.gcc.gnu.org/bugzilla/>
------- Comment #1 from steven at gcc dot gnu dot org 2010-04-25 11:42 -------
You can compare the code if you compile with -S (output .s assembler file). Or
you can compile with -S and attach the output of both compilers here, so
someone else can have a look.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43884
next prev parent reply other threads:[~2010-04-25 11:42 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-25 7:18 [Bug c++/43884] New: " yuri at tsoft dot com
2010-04-25 11:42 ` steven at gcc dot gnu dot org [this message]
2010-04-25 12:13 ` [Bug c++/43884] [4.4/4.5 Regression] Performance degradation for simple fibonacci numbers calculation steven at gcc dot gnu dot org
2010-04-25 20:03 ` [Bug target/43884] [4.4/4.5/4.6 Regression] Performance degradation for simple fibonacci numbers calculation due to extra stack alignment rguenth at gcc dot gnu dot org
2010-04-25 20:07 ` rguenth at gcc dot gnu dot org
2010-04-25 22:02 ` hjl dot tools at gmail dot com
2010-04-25 23:42 ` hubicka at ucw dot cz
2010-04-25 23:43 ` hubicka at ucw dot cz
2010-04-26 10:37 ` rguenth at gcc dot gnu dot org
2010-04-26 12:40 ` jakub at gcc dot gnu dot org
2010-04-26 13:45 ` hjl dot tools at gmail dot com
2010-04-26 13:58 ` jakub at gcc dot gnu dot org
2010-04-26 14:28 ` hubicka at ucw dot cz
2010-04-26 14:48 ` hjl dot tools at gmail dot com
2010-04-26 18:55 ` [Bug target/43884] [4.4/4.5/4.6 Regression] Performance degradation for simple fibonacci numbers calculation hjl dot tools at gmail dot com
2010-04-29 1:21 ` hjl dot tools at gmail dot com
2010-04-29 2:20 ` hjl dot tools at gmail dot com
2010-04-29 9:27 ` hubicka at ucw dot cz
2010-04-30 9:01 ` jakub at gcc dot gnu dot org
2010-05-19 12:37 ` rguenth at gcc dot gnu dot org
2010-06-25 14:10 ` hjl dot tools at gmail dot com
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