From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-284286-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 25185 invoked by alias); 15 May 2009 13:10:32 -0000
Received: (qmail 24708 invoked by alias); 15 May 2009 13:10:11 -0000
Date: Fri, 15 May 2009 13:10:00 -0000
Message-ID: <20090515131011.24707.qmail@sourceware.org>
X-Bugzilla-Reason: CC
References: <bug-39999-11113@http.gcc.gnu.org/bugzilla/>
Subject: [Bug tree-optimization/39999] [4.4/4.5 Regression] gcc 4.4.0 compiles in infinite loop
In-Reply-To: <bug-39999-11113@http.gcc.gnu.org/bugzilla/>
Reply-To: gcc-bugzilla@gcc.gnu.org
To: gcc-bugs@gcc.gnu.org
From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2009-05/txt/msg01327.txt.bz2



------- Comment #6 from rguenth at gcc dot gnu dot org  2009-05-15 13:10 -------
Subject: Bug 39999

Author: rguenth
Date: Fri May 15 13:09:53 2009
New Revision: 147573

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=147573
Log:
2009-05-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39999
        * gimple.h (gimple_expr_type): Use the expression type looking
        through useless conversions.
        * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
        (vn_nary_op_insert_stmt): Likewise.
        (simplify_binary_expression): Likewise.

        * gcc.c-torture/compile/pr39999.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr39999.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple.h
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39999