From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by sourceware.org (Postfix) with ESMTPS id 1A2B43858D37; Fri, 28 Apr 2023 16:50:28 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 1A2B43858D37 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-x102a.google.com with SMTP id 98e67ed59e1d1-2496863c2c7so170465a91.1; Fri, 28 Apr 2023 09:50:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1682700627; x=1685292627; 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=t0sOQMPe/6LxgSGBUT8B6TDqC9fjhU+h42bcuFa5ueE=; b=ZMbhYwex42ivCL7jC5R/Kuf6OzS14w/Bvc1aLWfLegcX6WWMhR/fqAnqTGWRO24Zpg t2xhlL+HQ4SEzg72luLJ2YJ/WcLpbZMCn0hATAW1pI7qTsdGWJ7nfGp+gkJIiUbhF5K4 tYdv/WOHLnJ4Qa/gp9PvoaqLm9YAOAMXP313lQ4dAehepxC2W6ceTcf4mYvD1De4w0Lo MMjb51KCVX/VDxkuRVua/KtQcpYVlnL5eCFCqBXpibkrxwz9kiMYVveFWO5+hkbJUcuG ahJpYr2VdlHaZdBZ383FRBJXkHH7Hn91r1k1b1ayxzkIjNxLid2hD6ZSt4DyWZBwpBrS 9NmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682700627; x=1685292627; 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=t0sOQMPe/6LxgSGBUT8B6TDqC9fjhU+h42bcuFa5ueE=; b=Wg3kYvSbn/giBgALNqk7Q8tnBRvLoR2yGKHawNOHGk92MxC1SUpYgmi7qbtmLSbEew vQeSdKXvAOipRb7mQ3xpcHPWS4txLMgw5O1palSmfO9VjuhvV0+KDZSs2TouZG0+AcYK p994X8v/f0iefO++L2w3zuCOXbhkAEm9J68y6d6HxeHAK2dCpsitlxmtxU5OooSZHxdo 33hg9iHBV1q/c8ZwSXAedMoQcuHSvrNOIK6J9MPzsUf652C5jE3oqqm0+U6WvbHvqhhV WyehDlV/pAIcm44OTh9pyZWPbbRLq9ioST44/3p4bzyqhD7deGJtpVE+PMyOApGZKB8V tjmQ== X-Gm-Message-State: AC+VfDwqeb3HZLYlRISqBkvTcX9x5RdCE89dguiw8uIlIluGwIXlpJCa IhpLzZSV3F3gByHL7DG69mA= X-Google-Smtp-Source: ACHHUZ7S81avmh2DG3BVCLV0kvWjd1E5+HwwPA6iDLUI14YUJcqCgkeolCR8zDlrmxR1V7OQvqzELA== X-Received: by 2002:a17:90a:2fca:b0:247:6be7:8cc0 with SMTP id n10-20020a17090a2fca00b002476be78cc0mr6122804pjm.35.1682700626842; Fri, 28 Apr 2023 09:50:26 -0700 (PDT) Received: from ?IPV6:2601:681:8600:13d0::99f? ([2601:681:8600:13d0::99f]) by smtp.gmail.com with ESMTPSA id n35-20020a635c63000000b00517be28bcf9sm13303312pgm.86.2023.04.28.09.50.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 28 Apr 2023 09:50:26 -0700 (PDT) Message-ID: Date: Fri, 28 Apr 2023 10:50:24 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.1 Subject: Re: [PATCH v5 02/11] RISC-V: Enforce Libatomic LR/SC SEQ_CST Content-Language: en-US To: Patrick O'Neill , gcc-patches@gcc.gnu.org Cc: palmer@rivosinc.com, gnu-toolchain@rivosinc.com, vineetg@rivosinc.com, andrew@sifive.com, kito.cheng@sifive.com, dlustig@nvidia.com, cmuellner@gcc.gnu.org, andrea@rivosinc.com, hboehm@google.com References: <20230414170942.1695672-1-patrick@rivosinc.com> <20230427162301.1151333-1-patrick@rivosinc.com> <20230427162301.1151333-3-patrick@rivosinc.com> From: Jeff Law In-Reply-To: <20230427162301.1151333-3-patrick@rivosinc.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,KAM_LINKBAIT3,KAM_SHORT,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 4/27/23 10:22, Patrick O'Neill wrote: > Replace LR.aq/SC.rl pairs with the SEQ_CST LR.aqrl/SC.rl pairs > recommended by table A.6 of the ISA manual. > > 2023-04-27 Patrick O'Neill > > libgcc/ChangeLog: > > * config/riscv/atomic.c: Change LR.aq/SC.rl pairs into > sequentially consistent LR.aqrl/SC.rl pairs. OK. When you install this, make sure you also install #3 of the kit which mirrors these changes for the inline subword atomics. jeff