From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io1-xd2a.google.com (mail-io1-xd2a.google.com [IPv6:2607:f8b0:4864:20::d2a]) by sourceware.org (Postfix) with ESMTPS id 4B8763858038 for ; Wed, 1 Dec 2021 16:38:15 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 4B8763858038 Received: by mail-io1-xd2a.google.com with SMTP id v23so31635972iom.12 for ; Wed, 01 Dec 2021 08:38:15 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:references:from:in-reply-to :content-transfer-encoding; bh=C+OKyBlw4Il5ZpbQwvZM77ua2SSutPVHO9SzLm2t6Sg=; b=VMe3VNIATWaRx9kBzLajkZjv6awImrSkBeqqYArM9JzAqQJkR0gTw5tnJUAT07Jvgw aaTpqIlG2aNIShf2mle6BcvOqmN8uvpawyXsPpmRUQHT1dZ+Chg64B8GhjIWISi8+opg +lA4eyoonArQeXGpp4dsUfi1KSyFXSYQ4IItYBXJslQQINRaavuv3ynIWBwf5eOLRgig AMVfqkC44ZQ1Cr5PSSeJbJN/0wHSg2k0b57NNGZQ+vr9DpZLZeNA9S0MrYLfnuzprp2c fams3QRVOCkMGQYGk/5Jcu+790LiQcJIF4DDSWhwTThP5gEngYSHa0I9aMzCub6SrZ/x iAxQ== X-Gm-Message-State: AOAM531osoOZmayWgFIq/hwNJSoCZLQ/gT9Pet9KIcFvAdCZPltm08Vy TDjIDNDTBL8b/3jqu9OjgtCah9Eyr+g= X-Google-Smtp-Source: ABdhPJzoj+dQy9XjhNBdH/qny2ajjlIdw+pJI3eIZxCFKGpnf2zlPe5wS2rju9XJyor3IYUVwAal1w== X-Received: by 2002:a05:6602:134a:: with SMTP id i10mr8894816iov.7.1638376694685; Wed, 01 Dec 2021 08:38:14 -0800 (PST) Received: from [172.31.0.175] (c-98-202-48-222.hsd1.ut.comcast.net. [98.202.48.222]) by smtp.gmail.com with ESMTPSA id m7sm152196ilu.58.2021.12.01.08.38.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Dec 2021 08:38:14 -0800 (PST) Message-ID: <10dd7eda-840d-717e-b2e3-a78189e4eadd@gmail.com> Date: Wed, 1 Dec 2021 09:38:13 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.3.0 Subject: Re: [PATCH] path solver: Minimize exported ranges to subsequent blocks. Content-Language: en-US To: Aldy Hernandez , GCC patches References: <20211127083206.2450093-1-aldyh@redhat.com> From: Jeff Law In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-3.7 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 autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Dec 2021 16:38:16 -0000 On 12/1/2021 9:18 AM, Aldy Hernandez via Gcc-patches wrote: > I'm going to hold off pushing this until I hear from the global > maintainers and/or release managers. > > This patch fixes a pathological performance case, but it may also be > handled by Andrew's fixes in this area. It's up to y'all to decide if > it's something we want in this release. An alternative would be to > keep track of any pathological issues going forward, and see if this > fixes the issue. I'm going to be taking leave any day now :). I'm leaving this to you and Andrew to decide.  Y'all know this code better than anyone. And yes, I keep expecting you to disappear without notice :-) Jeff