From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10492 invoked by alias); 24 Feb 2014 11:36:30 -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 10454 invoked by uid 48); 24 Feb 2014 11:36:27 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug ipa/60315] [4.8/4.9 Regression] template constructor switch optimization Date: Mon, 24 Feb 2014 11:36:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: ipa X-Bugzilla-Version: 4.8.0 X-Bugzilla-Keywords: compile-time-hog X-Bugzilla-Severity: minor X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.3 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: 2014-02/txt/msg02438.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60315 --- Comment #3 from Richard Biener --- This whole thing updating keys and such should use a proper lattice of per-cgraph and per-edge node sizes/times which can be updated with a less ad-hoc algorithm than the current one which easily and completely explodes ... :/ (and the 'cache' is completely ineffective during the update process)