From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.9 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B1E8C433E2 for ; Sat, 29 Aug 2020 19:37:40 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 16E392076D for ; Sat, 29 Aug 2020 19:37:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Y3vkyIjB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 16E392076D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:45696 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kC6fT-0008HZ-Al for qemu-devel@archiver.kernel.org; Sat, 29 Aug 2020 15:37:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58804) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kC6eq-0007nA-NU for qemu-devel@nongnu.org; Sat, 29 Aug 2020 15:37:00 -0400 Received: from mail-pl1-x62d.google.com ([2607:f8b0:4864:20::62d]:38260) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kC6ep-0002oP-3I for qemu-devel@nongnu.org; Sat, 29 Aug 2020 15:37:00 -0400 Received: by mail-pl1-x62d.google.com with SMTP id t11so1193816plr.5 for ; Sat, 29 Aug 2020 12:36:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=1DZS1CKCCVu4mf26sz0wE+xra3IkdIj2/iwU10xcWog=; b=Y3vkyIjBLqHdF6LrYpzh27pKf5VcikSjXLOH3jvRBweb640yYTPjMlO3ZlWPnOHc/i awx1zQ+hxh+pD5S1Ovy6PXeN/iDh6kBgvv8acnNklo+mZ/WZyAWSMwdBROiJ3plLstmI rhMQZpGfBdSgmt2b/oL8lfUJNGc62CZbG3fdfzrYFNalC1t9DhI4mVz6si8A/qMiQH2h WjZZZtl/G2qGJCaMkCenF97QvXQYjmSVa8OSJEJ9X4b8r7kwS97u3LclqlKrIjcx+/xx c+0212QYIXZ0Oj9J5WCS8bO6+/9x2UDYk/7rEVmPFaQOevnyjZAIT+xjNqjs/dMU9LL+ b9qg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=1DZS1CKCCVu4mf26sz0wE+xra3IkdIj2/iwU10xcWog=; b=dnJQVOLDbYIhJWv600IJGu5EkRdKmHjTITGZdPCk1QEA60y3C2Bo/hzcwPIYWHhcH7 /Oyi/Ohr3oIhlksrGFjOVfKAlUNz48Df2gfS925umYfUqhnHmu7au9oGAwvNnlQK2NZk BF/uc77YqXBohoe1CHctC8BHjR/3jTTnn/GRgOXHq8Gy0d5ppX4wG+F7G31hNtFhpbl6 RFGLC3l2KMEM53W/zhs+ZASDNw5pThN1MniYvbQCC2lliocvkrEnOQvH/L2EzzFCVH7h F/8uCiF6Z0UmkpV/v6wQ0+v0KUYLk5XGP3nLVdE3iIiZ0Cb0/nJCi6lI8oEUPvJBW4XY hwzQ== X-Gm-Message-State: AOAM530csMHzBj21KvTwXnEfpODElgZSsUN1UnSiXTj9ADaab/azmur4 QhzQupKdiJoNdZSUEfpvddWz5Q== X-Google-Smtp-Source: ABdhPJwCRfBYjVooiyOxKEZ3iiWB+DHMEK13tPQtklgBpEntSMHAaQR+d1wG6I8XjNyaLvw7iOJIXQ== X-Received: by 2002:a17:902:ea8c:: with SMTP id x12mr3601018plb.60.1598729817556; Sat, 29 Aug 2020 12:36:57 -0700 (PDT) Received: from [192.168.1.11] ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id b6sm2699920pjz.33.2020.08.29.12.36.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 29 Aug 2020 12:36:56 -0700 (PDT) Subject: Re: [RFC v4 25/70] target/riscv: rvv-1.0: take fractional LMUL into vector max elements calculation To: frank.chang@sifive.com, qemu-devel@nongnu.org, qemu-riscv@nongnu.org References: <20200817084955.28793-1-frank.chang@sifive.com> <20200817084955.28793-26-frank.chang@sifive.com> From: Richard Henderson Message-ID: Date: Sat, 29 Aug 2020 12:36:54 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200817084955.28793-26-frank.chang@sifive.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::62d; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62d.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.809, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Palmer Dabbelt , Alistair Francis , Sagar Karandikar , Bastian Koppelmann Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 8/17/20 1:49 AM, frank.chang@sifive.com wrote: > From: Frank Chang > > Update vext_get_vlmax() and MAXSZ() to take fractional LMUL into > calculation for RVV 1.0. > > Signed-off-by: Frank Chang > --- > target/riscv/cpu.h | 43 ++++++++++++++++++------- > target/riscv/insn_trans/trans_rvv.inc.c | 12 ++++++- > 2 files changed, 42 insertions(+), 13 deletions(-) Reviewed-by: Richard Henderson r~