From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24839 invoked by alias); 5 Aug 2014 09:08:42 -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 24621 invoked by uid 48); 5 Aug 2014 09:08:38 -0000 From: "rguenth 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: Tue, 05 Aug 2014 09:08:00 -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: 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: 4.8.4 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc 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/msg00268.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62016 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hubicka at gcc dot gnu.org, | |rguenth at gcc dot gnu.org --- Comment #2 from Richard Biener --- Would be nice to identify what improved 4.9 here and backport that to 4.8. And of course try to fix it for real for 4.10. ISTR the predicate stuff was a major hog.