From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x1030.google.com (mail-pj1-x1030.google.com [IPv6:2607:f8b0:4864:20::1030]) by sourceware.org (Postfix) with ESMTPS id 6FA883857C44 for ; Wed, 12 Jan 2022 18:45:40 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 6FA883857C44 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=dabbelt.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=dabbelt.com Received: by mail-pj1-x1030.google.com with SMTP id l16-20020a17090a409000b001b2e9628c9cso6625297pjg.4 for ; Wed, 12 Jan 2022 10:45:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dabbelt-com.20210112.gappssmtp.com; s=20210112; h=date:subject:in-reply-to:cc:from:to:message-id:mime-version :content-transfer-encoding; bh=1M5fmc+UVc07Do1ZHxILAhnZcjLVi8qametyhScW5rM=; b=7TERz+4vUGtj7yMuKFBneUQ9NDF1O3Y+WMFet+THdg/TXHxzZjHr3Sni8jLqucIS63 6XL29X7OnTrXH1g6jdOHK22ZdHXod+gkyS6WMFm1A+Dk3wk9YCfmm1bHVvp4BADlOK+j ROX5h1hO1hpFtBp3gxufk2f+mwE8ryC2agcLh/VnOP97+ReqKxVOWNMuaLenxy7jfgJC dhOg/ap03DAAD3gZHMpytIs+WCC3197ZbYJXV1+xtoekdngv/5XiRplocbsMIMzqfgJK JKIkgsiIAeaGCsIvCV9a0PcXHaL0c0fWIgPU3K9S39tFp1zw9c0c+rrO7cCJXOOSHM+6 bvYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:subject:in-reply-to:cc:from:to:message-id :mime-version:content-transfer-encoding; bh=1M5fmc+UVc07Do1ZHxILAhnZcjLVi8qametyhScW5rM=; b=AaP1VMJBe96moauaebqZWa4BI3aIfXq1/TUrYuZB2sedwefKheFJXq7xBUCEW6wUZl K4+vgenI/zJD/6iiFgZOQFMk0kvE26jPdSttJPXilI2IZc+fM+tjIcKV/Um85sYJDZBn qutOzcaUdxhhG3ApdgUsnKPaKuxMkL3zvbsxb29tu+EAGS2E1pWuL3zlD2/j5EzojR35 jttQaPwDcMxrmL1OFWqwFk8TfYUpWdaP2H5FWMwhQ0QZ0egn/9lOe6F8OrX42lPqfI/K 3IVMTPP61xveV/8/hjrXR5cXx/2TlItg12ZHt79NEvpcSJALzchqp9NPEEAhMzbwCSUt FGDA== X-Gm-Message-State: AOAM5331iRD0v9Yu8B2rpCEHV/0HTtxvl53oR4H+tNWnOdPY0FgW5Zdp x+FT6iBzpj8UwOZblaV7uzMqDw== X-Google-Smtp-Source: ABdhPJwNg688fJJpO7cdwzOWuO/60UVlrWu+h9P1cTDq/YiwC07cg17wgcx6ZGaSwFCOeKwKOAe9Ow== X-Received: by 2002:a05:6a00:10cd:b0:4bc:a950:41e2 with SMTP id d13-20020a056a0010cd00b004bca95041e2mr688448pfu.30.1642013139078; Wed, 12 Jan 2022 10:45:39 -0800 (PST) Received: from localhost (76-210-143-223.lightspeed.sntcca.sbcglobal.net. [76.210.143.223]) by smtp.gmail.com with ESMTPSA id f4sm341301pfj.25.2022.01.12.10.45.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Jan 2022 10:45:38 -0800 (PST) Date: Wed, 12 Jan 2022 10:45:38 -0800 (PST) X-Google-Original-Date: Wed, 12 Jan 2022 10:45:11 PST (-0800) Subject: Re: [RISCV] RISC-V GNU Toolchain Biweekly Sync-up call (Jan 13, 2022) In-Reply-To: <4851e4f9.d59e.17e4e8c41a8.Coremail.jiawei@iscas.ac.cn> CC: gcc@gcc.gnu.org, binutils@sourceware.org, gdb@sourceware.org, libc-alpha@sourceware.org, cmuellner@ventanamicro.com, jeremy.bennett@embecosm.com, Jim Wilson , kito.cheng@sifive.com, Nelson Chu , philipp.tomsich@vrull.eu, wuwei2016@iscas.ac.cn, shihua@iscas.ac.cn, sinan@isrc.iscas.ac.cn, yulong@nj.iscas.ac.cn From: Palmer Dabbelt To: jiawei@iscas.ac.cn Message-ID: Mime-Version: 1.0 (MHng) Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=1.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, KAM_LINEPADDING, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TLD_CHINA, TXREP autolearn=no autolearn_force=no version=3.4.4 X-Spam-Level: * X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gdb@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Jan 2022 18:45:42 -0000 On Wed, 12 Jan 2022 05:48:41 PST (-0800), jiawei@iscas.ac.cn wrote: > Hi all, > > There is an agenda for tomorrow's meeting. If you have topics to > discuss or share, please let me know and I can add them to the agenda. We should also talk about the ABI spec, we've now got a handful of incompatibilites between it and the binaries we currently generate/accept. > > Agenda: > - -misa-spec related issue: > - Bump default ISA spec to newer version, current default ISA spec > is 2.2, but it's already out-of-date for a long time > - The most impact is I ext. will bump to 2.1, which is > backward incompatible with 2.0, I 2.1 has split csr instruction to > zicsr ext. and ifence.i to zifencei ext., that might break some > existing build script. > - Discuss new scheme for -misa-spec or alternative scheme for > dealing with RISC-V profile > > - Interaction between -march and RISC-V profile[1]. > - Introduce -mprofile option: -mprofile=rvm20 + -march=rv32gc > - Or extend syntax of -march option like -march=rvm20+mafdc? > > > > > > > > > - RISC-V subextension related implement progress > > [1] Note: What is RISC-V Profile: https://github.com/riscv/riscv-profiles/ > > Wei Wu - PLCT Lab is inviting you to a scheduled Zoom meeting. > > Topic: RISC-V GNU Toolchain Biweekly Sync-up > > Join Zoom Meeting > https://zoom.com.cn/j/89393600951?pwd=ZFpWMkZ6Tm1TbUFXT1hZZjZZMHhRQT09 > > Meeting ID: 893 9360 0951 > Passcode: 899662 > > BEIJING, China > 11:00p Thu, Jan 13 2022 > 12:00a Fri, Jan 13 2022 > > PST/PDT, Pacific Standard Time (US) > 7:00a Thu, Jan 13 2022 > 8:00a Thu, Jan 13 2022 > > PHILADELPHIA, United States, Pennsylvania > 10:00a Thu, Jan 13 2022 > 11:00a Thu, Jan 13 2022