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=-6.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 10AABC433E6 for ; Fri, 28 Aug 2020 22:54:02 +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 CB8DA208A9 for ; Fri, 28 Aug 2020 22:54:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="G0POt68J" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CB8DA208A9 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]:41396 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kBnFw-0007AH-Ps for qemu-devel@archiver.kernel.org; Fri, 28 Aug 2020 18:54:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48638) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kBnFN-0006co-EV for qemu-devel@nongnu.org; Fri, 28 Aug 2020 18:53:25 -0400 Received: from mail-pf1-x443.google.com ([2607:f8b0:4864:20::443]:36077) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kBnFL-0002mn-QP for qemu-devel@nongnu.org; Fri, 28 Aug 2020 18:53:25 -0400 Received: by mail-pf1-x443.google.com with SMTP id m8so1380148pfh.3 for ; Fri, 28 Aug 2020 15:53:22 -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=qZMBGY1sYFrOWoXC23RgfrMfKmeOv0aCQr6EtuQHPUo=; b=G0POt68Ji8gQlonMjJWKCKTD5LmlzCTuh34V1n71xEvxgT1C9Z3Ilgwn1wqL/uI7xO 4OPHbiGUEggPbJ1AE+7j8NU67cFgJMnGHMICAbsWPAszp81gfrk2GmZ4QkUDRAiheUJU do0D+MERfSr3IYWZa2dSa1yztzdq9N2wL2vC9iir6XC5UagTSA/w+z7Dc6vrYNHVr2Ts EUdg+qGsQKyNPlAiWcpo6WZvYN9IW3yFVNzUf00sbQ6GgSHTPladFzFuv62EnT7o7Oy0 iFqI6mE+5yH3oJ+tD3ZD4uCfK2D1wczb2pRzAHDdGSL6wElD8uSVbR6RRKeUkCZIygRE TopQ== 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=qZMBGY1sYFrOWoXC23RgfrMfKmeOv0aCQr6EtuQHPUo=; b=rINJWE6iJLRKA4pamDnG+7c+R///fvMCvFNl7IFr8w8CZM6/yesh4076xRP5T2Yd+7 uWlvPQN2rx2Rjy/Gb+Sr47z0CvdphBt7hIusx6VW5STyfV7vF2UjhkkR31d3IVbr6CSR fNwFdyOBNo2Q0uot51CyPsx6GhH4KLaOfWiA1K+444Qc5PCfLw4xNmaLXzfN2PV4m52R K2Mzzg/vzAZDux2cEEHjSnU/9Po92IklOttm4QPc131192adOV9HrZn2mPDTDSUyl/xR w8ojn7cP+6f8o3hMvgz3KDQFZJIzsjbj88YWoybX7dr9dvhxp0nvd2boubao8v9uCzfN 8v2w== X-Gm-Message-State: AOAM530DhliznCEImbuPkTqOEDNJYdNFStVMJ9zB1q8d3a/sT/tkSXvR sff/7w10GJVmBUyGXVHVu3M9FkoPgoD9ig== X-Google-Smtp-Source: ABdhPJxHrYKRJpg3FbeUffv+XejmOuWANf662ICuERjhqSrGRQ2fcJXb3sKfN/j+521ShM75KxgKuw== X-Received: by 2002:a65:6897:: with SMTP id e23mr721892pgt.103.1598655201523; Fri, 28 Aug 2020 15:53:21 -0700 (PDT) Received: from [192.168.1.11] ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id y7sm338105pjm.3.2020.08.28.15.53.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 28 Aug 2020 15:53:20 -0700 (PDT) Subject: Re: [PATCH v2 24/45] target/arm: Implement fp16 for Neon VRECPE, VRSQRTE using gvec To: Peter Maydell References: <20200828183354.27913-1-peter.maydell@linaro.org> <20200828183354.27913-25-peter.maydell@linaro.org> <55675521-a61c-186c-599f-7373e9165184@linaro.org> From: Richard Henderson Message-ID: <2007993d-9f64-dca5-5fd9-510c87cd8e86@linaro.org> Date: Fri, 28 Aug 2020 15:53:18 -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: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::443; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x443.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: qemu-arm , QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 8/28/20 2:40 PM, Peter Maydell wrote: > The other approach would be to standardize on "the decodetree pattern > always converts the size to the data-type size, regardless of how > it's encoded in the insn fields", and then you could check against > MO_16 here. Would that be better ? That might be clearer, yes. Otherwise it's hard to tell what "size" means without looking at the manual for each instance. r~