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From: "dorit at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/30858] [4.3 Regression] ice for legal code with -O2 -ftree-vectorize
Date: Thu, 22 Feb 2007 08:16:00 -0000	[thread overview]
Message-ID: <20070222081630.5007.qmail@sourceware.org> (raw)
In-Reply-To: <bug-30858-9596@http.gcc.gnu.org/bugzilla/>



------- Comment #10 from dorit at gcc dot gnu dot org  2007-02-22 08:16 -------
Subject: Bug 30858

Author: dorit
Date: Thu Feb 22 08:16:18 2007
New Revision: 122220

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122220
Log:
        PR tree-optimization/30858
        * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
        in the reduction cycle have a single use in the loop.
        * tree-vectorizer.h (relevant): Add documentation.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr30858.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vectorizer.c
    trunk/gcc/tree-vectorizer.h


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30858


  parent reply	other threads:[~2007-02-22  8:16 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-19 11:59 [Bug c/30858] New: " dcb314 at hotmail dot com
2007-02-19 11:59 ` [Bug c/30858] " dcb314 at hotmail dot com
2007-02-19 12:45 ` dorit at il dot ibm dot com
2007-02-19 12:56 ` dorit at il dot ibm dot com
2007-02-19 13:17 ` [Bug tree-optimization/30858] [4.3 Regression] " rguenth at gcc dot gnu dot org
2007-02-19 14:12 ` dorit at il dot ibm dot com
2007-02-20 22:56 ` dorit at il dot ibm dot com
2007-02-21 12:17 ` dcb314 at hotmail dot com
2007-02-21 19:31 ` dorit at il dot ibm dot com
2007-02-22  1:01 ` patchapp at dberlin dot org
2007-02-22  8:16 ` dorit at gcc dot gnu dot org [this message]
2007-06-18  5:47 ` pinskia at gcc dot gnu dot org

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