From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3341 invoked by alias); 15 Feb 2015 05:15:13 -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 372 invoked by uid 48); 15 Feb 2015 05:14:10 -0000 From: "ishiura-compiler at ml dot kwansei.ac.jp" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/64992] More optimize opportunity Date: Sun, 15 Feb 2015 05:15:00 -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: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: ishiura-compiler at ml dot kwansei.ac.jp X-Bugzilla-Status: WAITING X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- 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/msg01625.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64992 --- Comment #3 from Ishiura Lab Compiler Team --- Looking only from outside, the two programs are virtually equal, so we just wondered what hinders the optimization on one of the programs. The Optimization on "opt.c" seems very strong, so we think it would be nice if the same transformation would work on "org.c."