From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-350364-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 9829 invoked by alias); 16 Mar 2011 13:53:36 -0000
Received: (qmail 9532 invoked by uid 22791); 16 Mar 2011 13:53:33 -0000
X-SWARE-Spam-Status: No, hits=-2.8 required=5.0	tests=ALL_TRUSTED,AWL,BAYES_00
X-Spam-Check-By: sourceware.org
Received: from localhost (HELO gcc.gnu.org) (127.0.0.1)    by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 16 Mar 2011 13:53:28 +0000
From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/26134] fold *(float*)(&complex_float_var) into REALPART_EXPR<complex_float_var>
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: middle-end
X-Bugzilla-Keywords: missed-optimization, patch, TREE
X-Bugzilla-Severity: normal
X-Bugzilla-Who: rguenth at gcc dot gnu.org
X-Bugzilla-Status: RESOLVED
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: pinskia at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 4.2.0
X-Bugzilla-Changed-Fields:
Message-ID: <bug-26134-4-XE2XWMCc7c@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-26134-4@http.gcc.gnu.org/bugzilla/>
References: <bug-26134-4@http.gcc.gnu.org/bugzilla/>
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
Content-Type: text/plain; charset="UTF-8"
MIME-Version: 1.0
Date: Wed, 16 Mar 2011 13:57:00 -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
X-SW-Source: 2011-03/txt/msg01677.txt.bz2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26134

--- Comment #9 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-03-16 13:53:17 UTC ---
Author: rguenth
Date: Wed Mar 16 13:53:09 2011
New Revision: 171046

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=171046
Log:
2011-03-16  Richard Guenther  <rguenther@suse.de>

    PR tree-optimization/26134
    * tree-ssa.c (maybe_rewrite_mem_ref_base): Handle rewriting
    complex part accesses to REALPART_EXPR and IMAGPART_EXPR.
    (non_rewritable_mem_ref_base): Handle complex type component
    accesses, constrain offsets for vector and complex extracts
    more properly.

    * gcc.dg/tree-ssa/complex-6.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/complex-6.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa.c