From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2995 invoked by alias); 20 Aug 2012 07:29:22 -0000 Received: (qmail 2985 invoked by uid 22791); 20 Aug 2012 07:29:19 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 20 Aug 2012 07:29:01 +0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug lto/54312] uniquify_nodes takes 12% of Mozilla LTO build Date: Mon, 20 Aug 2012 07:29:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: lto X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: 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: 2012-08/txt/msg01326.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54312 --- Comment #1 from Richard Guenther 2012-08-20 07:29:00 UTC --- I don't see how we can do better. Or well, we can put in an assert instead (we stream TYPE_NEXT_VARIANT as NULL). #ifdef ENABLE_CHECKING if (TYPE_MAIN_VARIANT (t) != t) { tem = TYPE_MAIN_VARIANT (t); while (tem && TYPE_NEXT_VARIANT (tem) != t) tem = TYPE_NEXT_VARIANT (tem); gcc_assert (!tem && !TYPE_NEXT_VARIANT (t)); } #endif