From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-il1-x12c.google.com (mail-il1-x12c.google.com [IPv6:2607:f8b0:4864:20::12c]) by sourceware.org (Postfix) with ESMTPS id 6C80638582BC for ; Wed, 10 Jan 2024 16:40:41 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 6C80638582BC Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 6C80638582BC Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2607:f8b0:4864:20::12c ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1704904843; cv=none; b=VXwRTQRGLLUy6QnnpKuvf/PiWIXo28R0jwiPGk3k3hSjdAas+ofF5/M06BEPeeUfVBWSQ/yVIGGOtIoqhT7B/8aHwCOJJeE7XwPMY1Xw7U4CTdliqX7QBzdpfaD1uMAURbovKTzEwRq1LCo11Jw/icnkMxKKZQnyGoAq8yz7ddE= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1704904843; c=relaxed/simple; bh=1Btr/qO/ri/96znpoT35UtgftTvWuuqbUq9+9vX323M=; h=DKIM-Signature:Message-ID:Date:MIME-Version:Subject:To:From; b=gcVUxTSVvQ+qwHT3yH8y82fCOe7mt1ehl/Tu6FvLlDH8oZCkXGN04uaIm36VoyiRpssc80ahu4AgDYZjDMefsM7V5LRb8QshQly9T5jqc+iaHGK+dWFf/6dhUiOEu4O4YTPi4kW27/TP5t3I3gucYuHoWZayUtdDkub+qdIGohQ= ARC-Authentication-Results: i=1; server2.sourceware.org Received: by mail-il1-x12c.google.com with SMTP id e9e14a558f8ab-3606dc50447so23511495ab.2 for ; Wed, 10 Jan 2024 08:40:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1704904839; x=1705509639; darn=gcc.gnu.org; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=8b0793OyN8opxo5TAa5ONfqdlUT1p3mMlzfX2jR2ct8=; b=GTet5+OuvLsmVdWa3LBGoA4CjV8kMJrPzckW+GqwOiW64d5ZYmemVsoTcI782QBpCw 034t2fxoK6aNubsLBMQojEhVQpTi6kLMulReFuNTDDKSPgUk0p6vam/ux9EuT76M+nQV eJuskbwzTCU67xNV8dXMGv75SiCqTdFRbF3lKt/cF1zrCAy7MM0MwqTz29Mw5ZwutVPl 5g4uvQKyomogAap7caEzpkIDP8PemzXT5yDOTVpKBe54r4ni5z2uoqqfoAcm75M8lQ63 vPvy+Rn6dketmcptjbCMmN5816amscEzFu7qWdbTt11KOeoshobANsS27hJ20asYiVCX JgMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704904839; x=1705509639; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=8b0793OyN8opxo5TAa5ONfqdlUT1p3mMlzfX2jR2ct8=; b=ZPsC8I+Ok9k+WGawhpAHWI+cDkDWQ/fltA9irVHAoRw9K6Vr2AnbHgODKlQle7YRkY VG1UfbObhStkAFmzHXQVQTV36rdwKZ5EEMVbBIeT8Z/rdiLvEXOUrjNm/iUgTg7TB4z0 yf3953OyNZcQDis65QLkw98ihf+XlWSuS7RfTGDG7rX9m2/E591pZGWZJEc3qt0bxJEw Q8hEiZm1uCFlpFXqALXYT6I3atL5tltb52bbvfr14t0e1VIIDY4nN+NjmJ52BVG47Dsa ZPuT2egrmF+lbS05ckOpEo3DNArX54+EYRcC87XkClRaiYjn5w09zCa4L/b2P6nNQT7L Qx6A== X-Gm-Message-State: AOJu0Yw5HMhIxTMkcjr/A0Vua9gVeBTrf2hhbBfwMU1RdkH2K05dTfaN z8+vKfD6F6cMkSCh0nZiV9wT1Uy5Ba0= X-Google-Smtp-Source: AGHT+IHK16CNPry1ZM6+bbxU+yBAjGlPA66ZohnilL8rHmDdeW9y8fWTMd4cm8n/coiJNKSKLZvI5g== X-Received: by 2002:a05:6e02:180f:b0:35e:6b97:b8a4 with SMTP id a15-20020a056e02180f00b0035e6b97b8a4mr1896314ilv.4.1704904839518; Wed, 10 Jan 2024 08:40:39 -0800 (PST) Received: from [172.31.0.109] ([136.36.72.243]) by smtp.gmail.com with ESMTPSA id g2-20020a05663816c200b0046dfd35b042sm1373071jat.73.2024.01.10.08.40.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 10 Jan 2024 08:40:38 -0800 (PST) Message-ID: <748d9520-1f2d-437c-aa91-86b31b83bfaf@gmail.com> Date: Wed, 10 Jan 2024 09:40:37 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] Add a late-combine pass [PR106594] Content-Language: en-US To: gcc-patches@gcc.gnu.org, jlaw@ventanamicro.com, rdapp.gcc@gmail.com, rguenther@suse.de, jakub@redhat.com, richard.sandiford@arm.com References: From: Jeff Law In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 1/10/24 06:01, Richard Sandiford wrote: > > So to get an idea for expectations: would it be a requirement that a > GCC 15 submission is enabled unconditionally and all known issues in > the ports fixed? I don't think we need to fix those latent port issues as a hard requirement. I try to balance the complexity of the fix, overall state of the port, value of having the port test the feature, etc. So something like the mn103 or ephiphany where the fix was clear after a bit of debugging, we just fix. Others like the long standing c6x faults or the rl78 assembler complaints which we're also seeing without the late-combine work and which don't have clearly identifiable fixes I'd say we leave to the port maintainers (if any) to address. So I tend to want to understand a regression reported by the tester, then we determine a reasonable course of action. I don't think that a no regression policy on all those old ports is a reasonable requirement. Jeff