From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7232 invoked by alias); 27 Jun 2017 16:02:59 -0000 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 Received: (qmail 7218 invoked by uid 89); 27 Jun 2017 16:02:58 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.1 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD autolearn=ham version=3.3.2 spammy=severe, 3x X-HELO: gate.crashing.org Received: from gate.crashing.org (HELO gate.crashing.org) (63.228.1.57) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 27 Jun 2017 16:02:57 +0000 Received: from gate.crashing.org (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.13.8) with ESMTP id v5RG2hc5009548; Tue, 27 Jun 2017 11:02:45 -0500 Received: (from segher@localhost) by gate.crashing.org (8.14.1/8.14.1/Submit) id v5RG2cHQ009533; Tue, 27 Jun 2017 11:02:38 -0500 Date: Tue, 27 Jun 2017 16:02:00 -0000 From: Segher Boessenkool To: Richard Biener Cc: gcc-patches@gcc.gnu.org, jakub@redhat.com, dje.gcc@gmail.com, wschmidt@linux.vnet.ibm.com Subject: Re: Backports to 6 (and 7, and 5) Message-ID: <20170627160237.GB16550@gate.crashing.org> References: <1498516276-16423-1-git-send-email-segher@kernel.crashing.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.3i X-IsSubscribed: yes X-SW-Source: 2017-06/txt/msg02065.txt.bz2 On Tue, Jun 27, 2017 at 09:18:07AM +0200, Richard Biener wrote: > On Mon, 26 Jun 2017, Segher Boessenkool wrote: > > https://gcc.gnu.org/ml/gcc-patches/2016-11/msg01853.html > > https://gcc.gnu.org/ml/gcc-patches/2016-11/msg01923.html > > https://gcc.gnu.org/ml/gcc-patches/2016-11/msg02048.html > > https://gcc.gnu.org/ml/gcc-patches/2016-11/msg02606.html > > bb-reorder: Improve compgotos pass (PR71785) > > It's not clear this fixes a regression and as it is > a missed-optimization I'd not backport it at this point in time > (I understand it's in GCC 7 already). It's a regression from 3.x, and a pretty severe one, but we can live with it for a bit longer, it's a bit invasive for a backport. Thanks for the review, Segher