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From: "hubicka at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/43884] [4.4/4.5/4.6 Regression] Performance degradation for simple fibonacci numbers calculation
Date: Sat, 22 Jan 2011 22:10:00 -0000	[thread overview]
Message-ID: <bug-43884-4-kNMaiaWYBQ@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-43884-4@http.gcc.gnu.org/bugzilla/>

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43884

--- Comment #21 from Jan Hubicka <hubicka at gcc dot gnu.org> 2011-01-22 21:47:43 UTC ---
Author: hubicka
Date: Sat Jan 22 21:47:40 2011
New Revision: 169136

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169136
Log:
    PR tree-optimization/43884
    PR lto/44334
    * predict.c (maybe_hot_frequency_p): Use entry block frequency as an base.
    * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
    * gcc.dg/autopar/outer-2.c: Increase array size.
    * gcc.dg/tree-ssa/ldist-pr45948.c: Update test.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/predict.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/autopar/outer-2.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ldist-pr45948.c


  parent reply	other threads:[~2011-01-22 21:54 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <bug-43884-4@http.gcc.gnu.org/bugzilla/>
2010-10-01 12:08 ` jakub at gcc dot gnu.org
2011-01-22 17:31 ` hubicka at gcc dot gnu.org
2011-01-22 21:51 ` hubicka at gcc dot gnu.org
2011-01-22 21:59 ` hubicka at gcc dot gnu.org
2011-01-22 22:10 ` hubicka at gcc dot gnu.org [this message]
2010-04-25  7:18 [Bug c++/43884] New: Performance degradation of the simple example (fibonacci) 4.3.3->4.5.0 yuri at tsoft 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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