From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 67085 invoked by alias); 10 Mar 2015 08:35:42 -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 66219 invoked by uid 55); 10 Mar 2015 08:35:34 -0000 From: "rguenther at suse dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/44563] GCC uses a lot of RAM when compiling a large numbers of functions Date: Tue, 10 Mar 2015 08:35:00 -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: 4.3.4 X-Bugzilla-Keywords: compile-time-hog, memory-hog X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenther at suse dot de X-Bugzilla-Status: NEW 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: 2015-03/txt/msg01056.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44563 --- Comment #21 from rguenther at suse dot de --- On Tue, 10 Mar 2015, hubicka at ucw dot cz wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44563 > > --- Comment #19 from Jan Hubicka --- > Hmm, it is definitely wasteful to call the call stmt redirection so many times > - it only needs > to be called once per statement. We probably could call it only on newly > introduced BBs, I will > take a look. Ah - stupid error on my part producing the "obvious" patch (and not seeing the bogus need_debug_cleanup guard...) Testing the proper patch.