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 EB2E9C433E2 for ; Sat, 29 Aug 2020 15:52:33 +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 B334720707 for ; Sat, 29 Aug 2020 15:52:33 +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="tZd2Aa9O" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B334720707 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]:40410 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kC39c-0004ld-UD for qemu-devel@archiver.kernel.org; Sat, 29 Aug 2020 11:52:32 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49974) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kC395-0004IT-2k for qemu-devel@nongnu.org; Sat, 29 Aug 2020 11:51:59 -0400 Received: from mail-pg1-x52f.google.com ([2607:f8b0:4864:20::52f]:37816) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kC392-0001JT-1f for qemu-devel@nongnu.org; Sat, 29 Aug 2020 11:51:58 -0400 Received: by mail-pg1-x52f.google.com with SMTP id 5so1922811pgl.4 for ; Sat, 29 Aug 2020 08:51:55 -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=EfTB96CZG/YyqZ04HiL+zf3EWviG8+PcrFr9rhhJ3+g=; b=tZd2Aa9OanyF+tZ9bS/QStgBlqyqD7oQzzunqJ9Dzdm76Siy3/lwEzv+jt9EmlrWoF ZDWJuup0KOPMVL4lQnNdUA5yihR+0EhhV9vwqV/f8yf/Sym4L4n0mVv7rQH9AJeqCR9e XXxHi25BB4/nkhwagThV1Ct6hRO+sfRkK4ZYKRKe/0qloqkwYe9xx/IPYhKMbYqOkqKf fAKkkDHWbd2n8aPuBNSGgvzR3YGlGIaxlVcfQNBpGgqqRvdi7gLJF+86K/VMYAej6Hvv ASUldnkyqbiq8sv6+XOzBJUhqvz5A26/mx6512+BIr2B0LSLDoj96K+LAMsmldUQTJMZ TGYA== 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=EfTB96CZG/YyqZ04HiL+zf3EWviG8+PcrFr9rhhJ3+g=; b=eMmczH4pE56vmHxSXUOA5Dns15XQnGKN5vNrFg8A9fkuFf8hn3MLayqEfKaScvpH7b zZjonHf+ehAoC/G2NnisLTCW+Lxl3ix7C0Vrfuak4ZEWoYpIscN2StwDfuSKXRKcbVoI TVy3Th3zCsM+5UVrT4+6alpUZbFGww8+ZFfe2DNb1uII5DdnCM6laZpriPj9P+CGEgqH yZm2BJUTjd2M5RDNi30pcvyS79K7fQSvoosy9QO5iy6KqrgMtcSp6lPOHJmo4zBXf81P 0l2vv5v4TYsDFl1KcQK7I675X4Zjj4DeGvPdCifI8XQD7EkVJjkhOSBoKhP4WJ9tcgYo ZBIQ== X-Gm-Message-State: AOAM532RlYfROQX4hcCdNEwYnORMcR9SAtELsMz9cokw/oyamaeea1HG 03v2OqViXbWVLxXyiu1B3B/dPA== X-Google-Smtp-Source: ABdhPJystVzGPe7UkTyMpuKtIbs/ab4tJRg+Iq070fBBIA6TZd9kAjV6cmt1O0KeqtVglQPX9f2j+Q== X-Received: by 2002:a63:5d4a:: with SMTP id o10mr2683171pgm.200.1598716314537; Sat, 29 Aug 2020 08:51:54 -0700 (PDT) Received: from [192.168.1.11] ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id a1sm3166319pfd.65.2020.08.29.08.51.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 29 Aug 2020 08:51:53 -0700 (PDT) Subject: Re: [RFC v4 12/70] target/riscv: rvv-1.0: add fractional LMUL To: frank.chang@sifive.com, qemu-devel@nongnu.org, qemu-riscv@nongnu.org References: <20200817084955.28793-1-frank.chang@sifive.com> <20200817084955.28793-13-frank.chang@sifive.com> From: Richard Henderson Message-ID: <0f4cffc7-86dc-92c9-ff61-c3ae1144ecc5@linaro.org> Date: Sat, 29 Aug 2020 08:51:51 -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: <20200817084955.28793-13-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::52f; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52f.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=unavailable 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 1:48 AM, frank.chang@sifive.com wrote: > From: Frank Chang > > Introduce the concepts of fractional LMUL for RVV 1.0. > In RVV 1.0, LMUL bits are contiguous in vtype register. > > Signed-off-by: Frank Chang > --- > target/riscv/cpu.h | 15 ++++++++------- > target/riscv/translate.c | 16 ++++++++++++++-- > target/riscv/vector_helper.c | 16 ++++++++++++++-- > 3 files changed, 36 insertions(+), 11 deletions(-) Reviewed-by: Richard Henderson r~