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 44710C433E2 for ; Sat, 29 Aug 2020 15:32:05 +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 08AB720791 for ; Sat, 29 Aug 2020 15:32:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="YzG+lKYT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 08AB720791 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]:43072 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kC2po-0001Ss-6L for qemu-devel@archiver.kernel.org; Sat, 29 Aug 2020 11:32:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46374) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kC2oJ-0000XI-HI for qemu-devel@nongnu.org; Sat, 29 Aug 2020 11:30:31 -0400 Received: from mail-pf1-x444.google.com ([2607:f8b0:4864:20::444]:38982) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kC2oG-0006gC-TJ for qemu-devel@nongnu.org; Sat, 29 Aug 2020 11:30:31 -0400 Received: by mail-pf1-x444.google.com with SMTP id u128so2192767pfb.6 for ; Sat, 29 Aug 2020 08:30:28 -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=LoXLQrNGyodtKsVDD9sShhB0cDIIOHi66BBk8i6u1N4=; b=YzG+lKYT1ukFvHNqylk4mn1N3gFu1uM3y0KOgLJ0Hg5NHEVj9LctuXp96y4NNZcVX1 oDKZNwxiRHo9T5LE+CAgROQUWp5lGSxrhPRucz2LWfKRqDU4OVP+MDTtq6S1NNy5x7bx ymZ2LaZYgdgCKh122iUxnMQhXWRNeV0s0Z1UfJEENs6JPqr3hz0YtIJR4hu12IGaIu5g C4xdI9ShicdMXfapWg6FJibCJJw5DPatW2ks6XcOU41CVGQzRewzk1VxO9Jeq/6Kg1lv KYhmx9eUikae/5dEDZqgU7qMMo+Ker2rC7HaTTezWhfVB0yjssvRaLtXpkfUm0XkciSD 0Z1Q== 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=LoXLQrNGyodtKsVDD9sShhB0cDIIOHi66BBk8i6u1N4=; b=O/1M0rzRq/5g+VwhgLpNK+pX6AZgQCzUej7UEby1HRkpeqPAmDpDV9SLucOWIyadMh PM6DjKcJmiHaWTYBAXksng0GaV3B54hMC/TtniAA6bcICfTvfZPlQduw1Wj2XoPgxerE I/3UwwE+YDDSZw/ZMJsa6HsedWEAg2+RNQ012X1CHGhvpfcdA93uW7guxfK1Zpn9mMvp KbaBApI3CMitp1DByfLslDKwHxsnQh1gcKBSisOG1oZga7nw4J4Tuw6/kLWwp3UcIBxZ gL8gwdnm73KW0sn6LpEMe8xN208KTGhMkY7HNMOfIVZYhL+uN64ZWCSYfOqxBYkQ8kPV zZOA== X-Gm-Message-State: AOAM531Ky9pK0CqWERR/L4De80IuGoWTH/BrdjK/5hQo+Hm2gzgsIyBS VyFnVfbnLaVcLCqo8LuE6VAzBqSS/nIdXQ== X-Google-Smtp-Source: ABdhPJyGt7YH1GZzbBDP7/zAtQysFcubTADEYfwiSYAppUtjQ81KeyYCzDDTslytKk9hIZkj0olJQQ== X-Received: by 2002:a63:4746:: with SMTP id w6mr711576pgk.412.1598715026961; Sat, 29 Aug 2020 08:30:26 -0700 (PDT) Received: from [192.168.1.11] ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id go12sm2321768pjb.2.2020.08.29.08.30.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 29 Aug 2020 08:30:26 -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> <2007993d-9f64-dca5-5fd9-510c87cd8e86@linaro.org> From: Richard Henderson Message-ID: <01264b55-59d0-f03e-e675-7edad0988ab6@linaro.org> Date: Sat, 29 Aug 2020 08:30:24 -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::444; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x444.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: qemu-arm , QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 8/29/20 6:53 AM, Peter Maydell wrote: > On Fri, 28 Aug 2020 at 23:53, Richard Henderson > wrote: >> >> 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. > > Do you mind if I do that as a separate patchset after this one? > I feel that will be easier than trying to weave the change into > this series... Yes, certainly. r~