From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8790 invoked by alias); 11 Dec 2012 10:26:49 -0000 Received: (qmail 8693 invoked by uid 48); 11 Dec 2012 10:26:32 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/44688] [4.6/4.7/4.8 Regression] Excessive code-size growth at -O3 Date: Tue, 11 Dec 2012 10:26:00 -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-Keywords: compile-time-hog X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.0 X-Bugzilla-Changed-Fields: Status Known to work Resolution Target Milestone Known to fail Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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 X-SW-Source: 2012-12/txt/msg01082.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44688 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Known to work| |4.8.0 Resolution| |FIXED Target Milestone|4.6.4 |4.8.0 Known to fail| |4.6.4, 4.7.2 --- Comment #11 from Richard Biener 2012-12-11 10:26:30 UTC --- The original reason for this bug, compile-time and code-size growth of SPEC CPU 2006 and Polyhedron on AMD Barcelona with -march=native has been fixed (back to levels before the -fprefetch-loop-arrays defaulting). For 4.8, that is. Backporting not really possible (requires preserving of loop structure), thus wontfix on the branches.