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From: "hubicka at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/38074] [4.4 Regression] missed inlining on Core2 Duo due  to apparent wrong branch prediction/profile
Date: Sat, 06 Dec 2008 08:37:00 -0000	[thread overview]
Message-ID: <20081206083543.23629.qmail@sourceware.org> (raw)
In-Reply-To: <bug-38074-12313@http.gcc.gnu.org/bugzilla/>



------- Comment #12 from hubicka at gcc dot gnu dot org  2008-12-06 08:35 -------
Subject: Bug 38074

Author: hubicka
Date: Sat Dec  6 08:34:20 2008
New Revision: 142517

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142517
Log:

        PR tree-optimization/38074
        * cgraphbuild.c (compute_call_stmt_bb_frequency): Fix handling of 0
        entry frequency.
        * predict.c (combine_predictions_for_bb): Ignore predictor predicting
        in both dirrection for first match heuristics.
        (tree_bb_level_predictions): Disable noreturn heuristic when there
        is no returning path.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cgraphbuild.c
    trunk/gcc/predict.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38074


  parent reply	other threads:[~2008-12-06  8:37 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-10 20:30 [Bug middle-end/38074] New: [4.4 Regression] missed inlining since IRA merge on Core2 Duo dominiq at lps dot ens dot fr
2008-11-11 20:22 ` [Bug middle-end/38074] " rguenth at gcc dot gnu dot org
2008-11-11 20:39 ` dominiq at lps dot ens dot fr
2008-11-11 21:20 ` jakub at gcc dot gnu dot org
2008-11-25 16:35 ` rguenth at gcc dot gnu dot org
2008-11-28 11:08 ` jakub at gcc dot gnu dot org
2008-11-28 11:21 ` rguenth at gcc dot gnu dot org
2008-11-28 11:47 ` jakub at gcc dot gnu dot org
2008-11-28 12:57 ` jakub at gcc dot gnu dot org
2008-12-05 12:46 ` [Bug middle-end/38074] [4.4 Regression] missed inlining on Core2 Duo due to apparent wrong branch prediction/profile rguenth at gcc dot gnu dot org
2008-12-05 13:00 ` hubicka at ucw dot cz
2008-12-05 17:09 ` hubicka at gcc dot gnu dot org
2008-12-05 17:17 ` hubicka at ucw dot cz
2008-12-06  8:37 ` hubicka at gcc dot gnu dot org [this message]
2008-12-06  9:05 ` jakub at gcc dot gnu dot org

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