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From: "ebotcazou at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/30931] [4.1 regression] infinite loop with -O1 -fstrength-reduce
Date: Tue, 27 Feb 2007 20:21:00 -0000	[thread overview]
Message-ID: <20070227202132.18264.qmail@sourceware.org> (raw)
In-Reply-To: <bug-30931-11700@http.gcc.gnu.org/bugzilla/>



------- Comment #13 from ebotcazou at gcc dot gnu dot org  2007-02-27 20:21 -------
Subject: Bug 30931

Author: ebotcazou
Date: Tue Feb 27 20:21:17 2007
New Revision: 122383

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122383
Log:
        PR rtl-optimization/30931
        * loop.c (combine_givs_p): Return false if either GIV is not
        always executed.


Added:
    branches/gcc-4_1-branch/gcc/testsuite/gcc.c-torture/execute/20070227-1.c
Modified:
    branches/gcc-4_1-branch/gcc/ChangeLog
    branches/gcc-4_1-branch/gcc/loop.c
    branches/gcc-4_1-branch/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30931


  parent reply	other threads:[~2007-02-27 20:21 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-22 22:39 [Bug rtl-optimization/30931] New: Simple test case loops infinitely " bergner at gcc dot gnu dot org
2007-02-22 22:40 ` [Bug rtl-optimization/30931] " bergner at gcc dot gnu dot org
2007-02-22 23:27 ` steven at gcc dot gnu dot org
2007-02-22 23:29 ` pinskia at gcc dot gnu dot org
2007-02-22 23:32 ` bergner at gcc dot gnu dot org
2007-02-23 10:03 ` rguenth at gcc dot gnu dot org
2007-02-23 14:06 ` bergner at gcc dot gnu dot org
2007-02-23 14:13 ` [Bug rtl-optimization/30931] [4.1 Regression] " rguenth at gcc dot gnu dot org
2007-02-23 14:17 ` bergner at gcc dot gnu dot org
2007-02-23 14:17 ` bergner at gcc dot gnu dot org
2007-02-23 14:30 ` bonzini at gnu dot org
2007-02-23 14:32 ` bonzini at gnu dot org
2007-02-26 19:18 ` ebotcazou at gcc dot gnu dot org
2007-02-27 20:21 ` ebotcazou at gcc dot gnu dot org [this message]
2007-02-27 20:23 ` [Bug rtl-optimization/30931] [4.1 regression] infinite loop " ebotcazou at gcc dot gnu dot org

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