From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [IPv6:2607:f8b0:4864:20::102e]) by sourceware.org (Postfix) with ESMTPS id 7A2333850204 for ; Thu, 23 Mar 2023 13:47:13 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 7A2333850204 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-x102e.google.com with SMTP id l9-20020a17090a3f0900b0023d32684e7fso3367292pjc.1 for ; Thu, 23 Mar 2023 06:47:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1679579232; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=9KLLyYSL20zbf12K/nWJUHvZYL/x9d7gHZqkpJJqSys=; b=TZL4Tx2DcagVDwIU5hTQhcCdGrAxQT1nP2/vfrgc2Hz0hokVvz+7T9I7o+pqA+5VlJ 6GlBVpEzzhSUYvfJv41Cg1YhRjfzkzWJVXkv7znI+mSOHWj8gzfPgkeqCUWflPCb3l9R 0F7c1iTEKfrd6AAu82E5qpkyEr4reprb8TcFhsEwLoREIE7maDgt6NEJLhCEWjhi9KXA ul1yyfT1MgXPEY3mg00B/kK6hYimtyP8xPyqYF5r0Ea83k1EcNVOUC9tgeUE2jDLMDPk 3UYGN/HGSR/ds8DF/YRWC/9URa/mzwEzAUlKUzxQjnPAwzPIKnl02wD73rhUO+ETpZa3 EZYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679579232; h=content-transfer-encoding:in-reply-to:from:references:cc: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=9KLLyYSL20zbf12K/nWJUHvZYL/x9d7gHZqkpJJqSys=; b=mcAvObRxdZj+UT1p+IdlyyW36anoTdF4Q+L3TvDFFNMjnwtIAvsL7z2gLLQ6Xox2Nw w5XtiVMsNhCWRe3fSVBy4Olz8lpsKD7qF2/9MwmgvH6BPaN+avhccrSnnkPAnNbmn3b+ Iw81aFZx1g2exPSRYBp4meOs9+3L/OCPzVRPuhaC4CZQAZjBxnhJNn/VTLjbv2mS3SHC wKssQIdIRkcCsUqH9qcBbAA9URYsBEHwRoetqugpaBSWmH1su4d7fLXOV5LH5Tb+VNyQ rgGf35NKctzxMlibn7Jz07vo7xEIQpCGwWvZsNDMQ0ETf1LMGEgQ/9EIS4ZJIxrxDHFx uiRg== X-Gm-Message-State: AO0yUKWa9CJCTDjY4jSR+/v4bMVu0wauX4irXptrO/61DdAIEX9iLXPv WSGW97HQsQKZZJxSAXKbTuY= X-Google-Smtp-Source: AK7set8wKEio9AvrQCm+PVztDUl9bFft7ydEuM6fLap/j8NiC4ALCDFT+4L0Jv7RtkrH5XSkoGONrQ== X-Received: by 2002:a17:902:e0d4:b0:19e:6c02:801c with SMTP id e20-20020a170902e0d400b0019e6c02801cmr5310708pla.14.1679579232321; Thu, 23 Mar 2023 06:47:12 -0700 (PDT) Received: from ?IPV6:2601:681:8600:13d0::f0a? ([2601:681:8600:13d0::f0a]) by smtp.gmail.com with ESMTPSA id a8-20020a1709027e4800b001a04027e0e0sm12259757pln.258.2023.03.23.06.47.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 23 Mar 2023 06:47:11 -0700 (PDT) Message-ID: <49b43808-01ca-108c-d8d6-56ec35377415@gmail.com> Date: Thu, 23 Mar 2023 07:47:10 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Subject: Re: [PATCH] rtl-optimization: ppc backend generates unnecessary signed extension. Content-Language: en-US To: Ajit Agarwal , gcc-patches Cc: Segher Boessenkool , bergner@linux.ibm.com, Richard Biener References: <4c0b6b4f-bbc1-8dd0-a91c-ffed028b4873@linux.ibm.com> From: Jeff Law In-Reply-To: <4c0b6b4f-bbc1-8dd0-a91c-ffed028b4873@linux.ibm.com> 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,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP 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 3/23/23 04:38, Ajit Agarwal wrote: > > Hello All: > > This patch removed unnecessary signed extension elimination in ree pass. > Bootstrapped and regtested on powerpc64-linux-gnu. > > > Thanks & Regards > Ajit > > rtl-optimization: ppc backend generates unnecessary signed extension. > > Eliminate unnecessary redundant signed extension. > > 2023-03-23 Ajit Kumar Agarwal > > gcc/ChangeLog: > > * ree.cc: Modification for AND opcode support to eliminate > unnecessary signed extension. > * testsuite/g++.target/powerpc/sext-elim.C: New tests. Just a note. I'll look at this once the trunk is open for gcc-14 development. It's really not appropriate for gcc-13. jeff