From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x1030.google.com (mail-pj1-x1030.google.com [IPv6:2607:f8b0:4864:20::1030]) by sourceware.org (Postfix) with ESMTPS id 2E6F73858427 for ; Fri, 26 Aug 2022 16:19:23 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 2E6F73858427 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-pj1-x1030.google.com with SMTP id s31-20020a17090a2f2200b001faaf9d92easo8528181pjd.3 for ; Fri, 26 Aug 2022 09:19:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc; bh=0cNxIubMysJLWoz06YsbYBesT5Xj+UrajYPRD5GClto=; b=pEgn+SXkRfORVHFzTsvDtQ/sV6nEcY3X/1aLmbfkhfqN+WcqOa41IRbPkZQRpvhKr0 On19dZr4NoWp0MSSaSudN3LOCxkBninVuInNBLWiOZOalTEyc+01qGPbGuaLkp3AoDs9 gaLzRf+6WutWNS0khxjUaW4TRiHIZi4koxOJdM3J1cTvy5lLWHBU8uanWaBeyeXyCGgF MuUlJUHF8UV1SbEMnAtqQHMCQ9eQfHaj1TXXcm9aNEkb0KCG96QfCFc/Tz0a06cw0G+t DNFsBWiYGOA96HkUPuSe1m9e9TtJR3VOV6I4cfUPrhxZaD6OwMWATgY/hRmtPZpKxuoB gmlA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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; bh=0cNxIubMysJLWoz06YsbYBesT5Xj+UrajYPRD5GClto=; b=0U1r04mQ1olv6GOmYgtuSVY9SbW8UOc4HYa18eNy4IWuY4C+YVlXaILGI+TpWaWkM4 EL0q/GbSZ5nM71Zo5eNhUCAA6yKBPjzoPgjOvRCfdY5wlQrW+4TSU7B08z4BIs9zUxbU An40VkdGRulcXy9Rhz4dM9fnPWHw16ISWaY/+C2JpdpLo2eHHQ2eEDLsHWRXg09ZmZW0 1qM6mVZ6zIZrqHkWS+KFu84npDUZfkBSD7j6TdJaEnAIEckb4JgEypgVSX+F1knqX6CF pONhwJ5dX1UV7bs+dwjNVPbluHMq1rS3m2ekuKYyLEuC8h4nr00ttRoLQ3topwD3Pgel ZQ+Q== X-Gm-Message-State: ACgBeo11rmWg7iqsBKKl8Ly707onsl+XctFXQxN8X31phVcos1xIoWKd pPCs/DA0nrF701Ok/PaiyDTyVoF1JXk= X-Google-Smtp-Source: AA6agR7w+2NHNCHevtHe9zOjakQd0vsPfI8NC/2C2Xp0YLLP9NSsYPpX7WzhbaHluDjhcRxm69p64g== X-Received: by 2002:a17:902:7204:b0:172:663f:80b7 with SMTP id ba4-20020a170902720400b00172663f80b7mr4408489plb.115.1661530761519; Fri, 26 Aug 2022 09:19:21 -0700 (PDT) Received: from [172.31.0.204] (c-73-98-188-51.hsd1.ut.comcast.net. [73.98.188.51]) by smtp.gmail.com with ESMTPSA id 78-20020a621651000000b0052e6d6f3cb7sm1929864pfw.189.2022.08.26.09.19.20 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 26 Aug 2022 09:19:20 -0700 (PDT) Message-ID: Date: Fri, 26 Aug 2022 10:19:19 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.12.0 Subject: Re: [PATCH 1/2] Improve compute_control_dep_chain documentation Content-Language: en-US To: gcc-patches@gcc.gnu.org References: <20220826123409.524BF13A7E@imap2.suse-dmz.suse.de> From: Jeff Law In-Reply-To: <20220826123409.524BF13A7E@imap2.suse-dmz.suse.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,NICE_REPLY_A,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 8/26/2022 6:34 AM, Richard Biener via Gcc-patches wrote: > In the quest to understand how compute_control_dep_chain works I've > produced the following two changes, documenting PR106754 on the > way. > > Bootstrap and regtest is running on x86_64-unknown-linux-gnu, > the changes should be no-ops but hopefully improve understanding > of the code. Thanks so much for this.  Every time I've had to get into that code it makes my head hurt -- anything that clarifies is an improvement. Jeff