From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-450647-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 26089 invoked by alias); 6 May 2014 09:02:50 -0000
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
Received: (qmail 25853 invoked by uid 55); 6 May 2014 09:02:43 -0000
From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/60849] [4.7/4.8 Regression] bogus comparison result type
Date: Tue, 06 May 2014 09:02:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 4.9.0
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: rguenth at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 4.7.4
X-Bugzilla-Flags:
X-Bugzilla-Changed-Fields:
Message-ID: <bug-60849-4-L1FaBzm8cc@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-60849-4@http.gcc.gnu.org/bugzilla/>
References: <bug-60849-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-SW-Source: 2014-05/txt/msg00339.txt.bz2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60849

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue May  6 09:02:08 2014
New Revision: 210099

URL: http://gcc.gnu.org/viewcvs?rev=210099&root=gcc&view=rev
Log:
2014-05-06  Richard Biener  <rguenther@suse.de>

    Backport from mainline
    2014-04-17  Richard Biener  <rguenther@suse.de>

    PR middle-end/60849
    * tree-ssa-propagate.c (valid_gimple_rhs_p): Only allow effective
    boolean results for comparisons.

    * g++.dg/opt/pr60849.C: New testcase.

    2014-04-07  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/60766
    * tree-ssa-loop-ivopts.c (cand_value_at): Compute in an
    unsigned type.
    (may_eliminate_iv): Convert cand_value_at result to desired
    type.

    * gcc.dg/torture/pr60766.c: New testcase.

    2014-04-23  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/60903
    * tree-ssa-loop-im.c (execute_sm_if_changed): Properly apply
    IRREDUCIBLE_LOOP loop flags to newly created BBs and edges.

    * gcc.dg/torture/pr60903.c: New testcase.

Added:
    branches/gcc-4_8-branch/gcc/testsuite/g++.dg/opt/pr60849.C
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/torture/pr60766.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/torture/pr60903.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_8-branch/gcc/tree-ssa-loop-im.c
    branches/gcc-4_8-branch/gcc/tree-ssa-loop-ivopts.c
    branches/gcc-4_8-branch/gcc/tree-ssa-propagate.c