From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3793 invoked by alias); 16 Feb 2015 18:15:59 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 3269 invoked by uid 55); 16 Feb 2015 18:15:51 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/65077] [4.9 Regression] memcpy generates incorrect code with floating point numbers and -O1 Date: Mon, 16 Feb 2015 18:15:00 -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: 4.9.2 X-Bugzilla-Keywords: wrong-code 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: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.9.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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: 2015-02/txt/msg01810.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65077 --- Comment #14 from Richard Biener --- Author: rguenth Date: Mon Feb 16 18:15:19 2015 New Revision: 220741 URL: https://gcc.gnu.org/viewcvs?rev=220741&root=gcc&view=rev Log: 2015-02-16 Richard Biener PR tree-optimization/65077 * tree-ssa-structalias.c (get_constraint_for_1): Handle IMAGPART_EXPR, REALPART_EXPR and BIT_FIELD_REF. (find_func_aliases): Allow float values to carry pointers again. * gcc.dg/torture/pr65077.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/torture/pr65077.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-structalias.c