From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf1-x42f.google.com (mail-pf1-x42f.google.com [IPv6:2607:f8b0:4864:20::42f]) by sourceware.org (Postfix) with ESMTPS id 3A65A3858D35 for ; Sun, 21 Nov 2021 16:53:20 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 3A65A3858D35 Received: by mail-pf1-x42f.google.com with SMTP id c4so13978587pfj.2 for ; Sun, 21 Nov 2021 08:53:20 -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=Ys8ld/cBE74nqplRWNRfFcEyL2NZMS83iiFPvp+UyG8=; b=hf5lljBVWkOuPqGOhPCriGVAD8irxFonSNU+bcJ9tuLTXLEdVemYoSj996/NOA9sIy cWBipk4rYGJf2JeXZ5RtmtF1Qr22hT2lIRpMfQ5TCnRrAXiY+332LnCsOhsRTeYuD55s p986NdJIbDqW6n9MLPrcm/j/9yKRhMRQYV/QRx0sBrlNNaY+tpB5aFlxg/TUTrFpc4K3 dpD7QCE+/T3oM1msB4D7SZJi/3UkUuufoEXsdNkQHQV374r8ZjklHDcA7n0C6Tc86p1M IhRsxXrundm0TwoQl5KmCKHFv9nQmnZLWsbD5qCCeMC/lSOCCVvMmBCVsK28CnsZD30M 9onA== X-Gm-Message-State: AOAM531c4mkmvUJ3VTf33Y64ry1R+uYIzx8GR+gTQWYp5dWSfG7vyinM PoFmMqj+mTeePOWk9XQYZcIKvVh4l54= X-Google-Smtp-Source: ABdhPJwqjYqVgoTtOsa5o4+H90Qnl1tA/i2GHo9kZYEpDKekeC90HUqFO7FqhDPg6I8ZpiefgduypA== X-Received: by 2002:a62:ea10:0:b0:4a2:c7bc:c5ec with SMTP id t16-20020a62ea10000000b004a2c7bcc5ecmr38814566pfh.44.1637513599217; Sun, 21 Nov 2021 08:53:19 -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 a26sm5768430pfh.161.2021.11.21.08.53.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 21 Nov 2021 08:53:18 -0800 (PST) Message-ID: <66f4a88f-bd8c-261c-c49d-317a083d212e@gmail.com> Date: Sun, 21 Nov 2021 09:53:18 -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: Fix failure in merge_block.c testcase Content-Language: en-US To: Jan Hubicka , gcc-patches@gcc.gnu.org References: <20211121151534.GC54340@kam.mff.cuni.cz> From: Jeff Law In-Reply-To: <20211121151534.GC54340@kam.mff.cuni.cz> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-4.1 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: Sun, 21 Nov 2021 16:53:21 -0000 On 11/21/2021 8:15 AM, Jan Hubicka via Gcc-patches wrote: > Hi, > this testcase needs -fno-ipa-modref becuase otherwise it hits the issue > that complete loop unrolling leaves somewhat mismatched profile. > > Bootstrapped/regtested x86_64-linux, comitted. > > gcc/testsuite/ChangeLog: > > 2021-11-21 Jan Hubicka > > PR ipa/103264 > * gcc.dg/tree-prof/merge_block.c: Add -fno-ipa-modref Thank you.  I was planning to chase this down today. jeff