From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 13612 invoked by alias); 14 Feb 2013 20:10:20 -0000 Received: (qmail 13603 invoked by uid 22791); 14 Feb 2013 20:10:17 -0000 X-SWARE-Spam-Status: No, hits=-5.2 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,KHOP_RCVD_TRUST,KHOP_THREADED,RCVD_IN_DNSWL_LOW,RCVD_IN_HOSTKARMA_YE,RP_MATCHES_RCVD,TW_SV X-Spam-Check-By: sourceware.org Received: from mail-we0-f170.google.com (HELO mail-we0-f170.google.com) (74.125.82.170) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 14 Feb 2013 20:10:07 +0000 Received: by mail-we0-f170.google.com with SMTP id z53so2276022wey.15 for ; Thu, 14 Feb 2013 12:10:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:cc:content-type:x-gm-message-state; bh=XewUvqnEQLLLdxyV6zWYISVNJajQ56fYqqX4gm+7OfA=; b=f2QcGoSGUyfprWv2xysM27MV2WAc3agZzeE+kIDMtUBaFhrOwWiDRB68ivmBIUten/ XDUvlnI8/ZcMAE4TSk0NelPaIdungQvqrtk2J/FPRJZYo5QhwnL2BB5G+qWNu4Xs3/Ti VdGbr228Avz9H4XcMY4tctCy+EIrYV6dddrEQr4VZlC3HZFJoBHfN0alu4YUQvXKqlXU q2rlLOUChs63lvk6Oui/yVMd+t2OlXE+tnZD1ZbKa7f2vdbpQf2TmJmWCn5CQdiAAkRd xP8PqLiCTe3y6bPGb8n9u3VsYHT3M8nehB14pgnW3dRfDvbFPmzWk7nntRwT7i0pqwx9 iwZw== MIME-Version: 1.0 X-Received: by 10.194.63.109 with SMTP id f13mr15266343wjs.11.1360872605002; Thu, 14 Feb 2013 12:10:05 -0800 (PST) Received: by 10.180.86.97 with HTTP; Thu, 14 Feb 2013 12:10:04 -0800 (PST) In-Reply-To: <7F108175-818B-4B1B-9BA3-BBF3EBBCC92C@use.net> References: <7F108175-818B-4B1B-9BA3-BBF3EBBCC92C@use.net> Date: Thu, 14 Feb 2013 20:10:00 -0000 Message-ID: Subject: Re: From: Xinliang David Li To: Matt Hargett Cc: GCC Patches Content-Type: text/plain; charset=ISO-8859-1 X-Gm-Message-State: ALoCoQnnr1JolzRBuA9Y+NiJlTddD+Sv2nVExERPkURiHY3f3aX151o4QcR7VzmJwmFEkSNxWjUBuCAa9zunDqhfG0doN+0I6JApjL+Iiem+ph61EcX4MKGycQZ3a7Kjvd2bF+7NIargVNUaGpPqX9EW1zmlCqtsZMqI0Miq/0S3QtbLzALa0wbyASKxFG358Q2ZyG8zM2+h X-IsSubscribed: yes Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org X-SW-Source: 2013-02/txt/msg00739.txt.bz2 Ok for the google branch -- please provide the patch details in svn commit message (note that ChangeLog is not needed any more for the branch). David On Thu, Feb 14, 2013 at 11:53 AM, Matt Hargett wrote: > On Feb 14, 2013, at 10:40 AM, Xinliang David Li wrote: > >> On Thu, Feb 14, 2013 at 10:18 AM, Matt wrote: >>> The attached patches do two things: >>> 1. Backports a fix from trunk that eliminates bogus warning traces. On my >>> current codebase which links ~40MB of C++ with LTO, the bogus warning traces >>> are literally hundreds of lines. >> >> What is the trunk revision? > > Richard's original patch was committed to trunk in r195884. > > >>> I verified the backport fixed our issue by doing doing a profiledbootstrap >>> using the bootstrap-lto.mk config with -O3 added. I used the resulting >>> compiler on the proprietary codebase, C++Benchmark, scummvm, and a few other >>> open source projects to validate. >>> >>> 2. Our primary development platform is RHEL6.1-based, and the recent >>> autoconf requirement bump locked us out. I lowered the version, and saw no >>> difference in ability to configure/bootstrap. >>> >>> Thanks! >>> >>> >>> -- >>> tangled strands of DNA explain the way that I behave. >>> http://www.clock.org/~matt