From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30043 invoked by alias); 11 Aug 2014 10:44:07 -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 29976 invoked by uid 48); 11 Aug 2014 10:44:04 -0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug ipa/62016] [4.8/4.9/4.10 Regression] very slow compilation at -O3 on x86_64-linux-gnu Date: Mon, 11 Aug 2014 10:44:00 -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: 4.10.0 X-Bugzilla-Keywords: compile-time-hog X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: hubicka at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.4 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: 2014-08/txt/msg00648.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62016 --- Comment #6 from Jakub Jelinek --- In 4.9/trunk I think the compile time improved with r208831 , though I was testing tiny bit different testcase - if (p1 != 0) __builtin_abort (); instead of assert (p1 == 0);, nevertheless, r208830 took at -O3 still over 13 minutes before I've killed it, r208831 only 3 minutes and something.