From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 39F133858D39 for ; Wed, 2 Mar 2022 14:21:49 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 39F133858D39 Received: from mail-qv1-f72.google.com (mail-qv1-f72.google.com [209.85.219.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-624-_QdiaVyrPyy8Wf0StEKP5w-1; Wed, 02 Mar 2022 09:21:46 -0500 X-MC-Unique: _QdiaVyrPyy8Wf0StEKP5w-1 Received: by mail-qv1-f72.google.com with SMTP id b3-20020a056214134300b004352de5b5f0so199852qvw.20 for ; Wed, 02 Mar 2022 06:21:46 -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:cc:references:from:in-reply-to; bh=7DKCQmc7pPh5Y7fViVv3viI2faHpAjhrTqZ5T0w/Jlc=; b=WACZpJwE5ld7FuqbZ3C5pGPKn3KLCBcnfxyZH8RxzCcQg08iR1wXPcRii1xa97iUvD ippn8lgc8l9bBrcZVqQqad3EOYV8XXE12XTy23nks7lUrba61BrQYNUt7+hSvnyOIeUm izTf4aqLAcNUGCTVLQIGfYp9aZLEUyDXoK4a0e7Lg7ga9ASX+KeIbHiGKk7Yh740wEVO MNkBcCXSNXGo+SYWb9/elRyOLRh/s3Ej0yrzVrM4dvfWSfR1X8crb7xwOW703+7r6xkX 1e+Rygvq5U0YLY606qE7u7/xDcCbeP7+NLRLpM/P+2CvkEQmg9vTFiD9tuM+tSVaEpjb IP4g== X-Gm-Message-State: AOAM531AEFxJGgZSreGamkKD2Ibcy/EVcZu3eEKZNt+0FRXWOGqWaEiI kB2juYCORV0XxlWclgI34kcSH2ub3YvF2N/qSsACPjefzDsHaF7DSS7LBV7Ce8Fuw2a2DL0hMKW O2esC/Etx1fdRvhe9PA== X-Received: by 2002:a05:622a:216:b0:2de:93fc:a2f9 with SMTP id b22-20020a05622a021600b002de93fca2f9mr24241753qtx.345.1646230906412; Wed, 02 Mar 2022 06:21:46 -0800 (PST) X-Google-Smtp-Source: ABdhPJwg52gSVATOsspwI4vPQrscuZHAy7fPQybaL3B2fPsRRKtK+kwZxdRL4wIGb+QJ0wCvp4+MoQ== X-Received: by 2002:a05:622a:216:b0:2de:93fc:a2f9 with SMTP id b22-20020a05622a021600b002de93fca2f9mr24241725qtx.345.1646230906103; Wed, 02 Mar 2022 06:21:46 -0800 (PST) Received: from [192.168.1.113] ([69.165.238.126]) by smtp.gmail.com with ESMTPSA id p25-20020a05620a057900b005f1928e8cd0sm7887738qkp.134.2022.03.02.06.21.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 02 Mar 2022 06:21:45 -0800 (PST) Message-ID: <58ab9268-95ed-f5a1-acdb-99e9b2296a54@redhat.com> Date: Wed, 2 Mar 2022 09:21:44 -0500 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PR103302] skip multi-word pre-move clobber during lra To: Alexandre Oliva , Richard Biener Cc: Jeff Law , zsojka@seznam.cz, GCC Patches , wilson@gcc.gnu.org References: <74d2af86-c1c4-0842-b319-09e76b3bf633@gmail.com> <4bf89538-8c3c-59a7-378b-d02982e6a5ea@gmail.com> <03226f85-0334-1840-94f9-6c618175f974@gmail.com> From: Vladimir Makarov In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US X-Spam-Status: No, score=-6.2 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, HTML_MESSAGE, NICE_REPLY_A, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H5, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.29 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, 02 Mar 2022 14:21:50 -0000 On 2022-03-02 07:25, Alexandre Oliva wrote: > Regstrapped on x86_64-linux-gnu, also tested on various riscv and arm > targets (with gcc-11). Ok to install? > Yes. Thank you on working this, Alex. >> for gcc/ChangeLog >> * lra-constraints.cc (undo_optional_reloads): Recognize and >> drop insns of multi-word move sequences, tolerate removal >> iteration on an already-removed clobber, and refuse to >> substitute original pseudos into clobbers.