From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 55073 invoked by alias); 6 Apr 2018 11:35:49 -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 55064 invoked by uid 89); 6 Apr 2018 11:35:48 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_PASS,T_RP_MATCHES_RCVD autolearn=ham version=3.3.2 spammy=82 X-HELO: mx2.suse.de Received: from mx2.suse.de (HELO mx2.suse.de) (195.135.220.15) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 06 Apr 2018 11:35:47 +0000 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 7825AAD02; Fri, 6 Apr 2018 11:35:45 +0000 (UTC) Date: Fri, 06 Apr 2018 11:35:00 -0000 From: Richard Biener To: Eric Botcazou cc: gcc-patches@gcc.gnu.org, Alan Modra , Tamar Christina , nd@arm.com, law@redhat.com, ian@airs.com, bergner@vnet.ibm.com Subject: Re: [PATCH][GCC][mid-end] Fix PR85123 incorrect copies In-Reply-To: <2239339.DFribSM1H9@polaris> Message-ID: References: <20180405122903.GA509@arm.com> <20180405234558.GS3812@bubble.grove.modra.org> <2239339.DFribSM1H9@polaris> User-Agent: Alpine 2.20 (LSU 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-SW-Source: 2018-04/txt/msg00309.txt.bz2 On Fri, 6 Apr 2018, Eric Botcazou wrote: > > I wonder if it's best to revert the original regression causing patch > > and look for a proper solution in the GCC 9 timeframe? > > Probably the best course of action indeed, as changes in this area need to be > thoroughly tested on various targets to cover all the cases. So please go ahead with that now. If we wind up with an obviously correct solution we can reconsider later, backporting to GCC 8.2+ is possible as well. Thanks, Richard.