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 BC537C433E2 for ; Sat, 29 Aug 2020 17:54:02 +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 8AFE8204FD for ; Sat, 29 Aug 2020 17:54:02 +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="gh3Oru7T" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8AFE8204FD 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]:44550 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kC53B-0003oo-QH for qemu-devel@archiver.kernel.org; Sat, 29 Aug 2020 13:54:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42194) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kC52e-0003NG-IU for qemu-devel@nongnu.org; Sat, 29 Aug 2020 13:53:28 -0400 Received: from mail-pg1-x536.google.com ([2607:f8b0:4864:20::536]:46850) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kC52c-0007us-3N for qemu-devel@nongnu.org; Sat, 29 Aug 2020 13:53:28 -0400 Received: by mail-pg1-x536.google.com with SMTP id 31so2007616pgy.13 for ; Sat, 29 Aug 2020 10:53:24 -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=806/hZCnuI9u2fegX3YZY2ZhOkb1OUVrcXhvAHC1n7A=; b=gh3Oru7TQgCM++fNXJdya6vH9K//j8zzfIpJGBXl0/MotfDKSe+fMHYw7+b2iYIULB mmH7BJ6FdZXpXIiBgYKmuB3irtQh4W3MFHCAW0dQSS0DFCoo4CK18ldn3Rdok8EuKHeA QG6as6DDrbEK3u+QnJ+bs+MTPmOgXxFA5fICuJCzseGL3Qo5psxRnLgRwesIeADnABuU f2MrYvhXyZeE5X2L9MiVEYiTYquXgN7CN6QyksgetHkF5Mvo5W+r4dkgoBttOSNq48ay niew166Nxxt96EyFlqlIFhFZ2vPNXK/zpj+IHm/sPENGYN7GAfH/PC0PzRLZlCQbxHEX 8/8w== 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=806/hZCnuI9u2fegX3YZY2ZhOkb1OUVrcXhvAHC1n7A=; b=LuFCfUSoMxK9AmRjI6l207Q66UGw3EQacIxkKAyDNbXGVmD2eqxQnILYSNWUgyUyVp EH9oXvX1gBi/TMQKOv5UnNZncfMFSBhF1nFOkL7Rag6WzoyC6c6NAfkA9fL51Nse+r4W MiGaMbgOEUdTH1BGgsLH5wI9+BzJdqanFnQ6o/+FUtoTi/wu9SGH1xvOLHdg8NqKrIqs KGx/0Oiy4szMN89yZTjUJFMHj6hJjT+piQCVFQPk/CApTtdoGMhWoFaM48sEh3LD22GB 3Pr6MXKxdU3ZYf9RZex1etfJDBO2JBoDqdiqG9JaYeAFRreKwPpTf0bSImexAaVnMgyD GqzA== X-Gm-Message-State: AOAM5303gQldjW6wN44Hdk8det/80DAETaK1YMcOszF+yuyjAywOHW0K VqfOEiaRcwK1UNw1v3jRaLIWig== X-Google-Smtp-Source: ABdhPJxusJvltG3/alV8tq56dCV1ubEwt6A5hqPsZYsJiVzB4kyl5wmkT4aZa1zfufCbuFpXKdD+Cw== X-Received: by 2002:aa7:9e4e:: with SMTP id z14mr3779439pfq.60.1598723604041; Sat, 29 Aug 2020 10:53:24 -0700 (PDT) Received: from [192.168.1.11] ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id a13sm2949679pgn.17.2020.08.29.10.53.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 29 Aug 2020 10:53:23 -0700 (PDT) Subject: Re: [RFC v4 16/70] target/riscv: rvv:1.0: add translation-time nan-box helper function To: frank.chang@sifive.com, qemu-devel@nongnu.org, qemu-riscv@nongnu.org References: <20200817084955.28793-1-frank.chang@sifive.com> <20200817084955.28793-17-frank.chang@sifive.com> From: Richard Henderson Message-ID: <2abf8eeb-4d6c-d767-dc5a-368c7859870a@linaro.org> Date: Sat, 29 Aug 2020 10:53:21 -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: <20200817084955.28793-17-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::536; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x536.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 1:49 AM, frank.chang@sifive.com wrote: > From: Frank Chang > > * Add fp16 nan-box check generator function, if a 16-bit input is not > properly nanboxed, then the input is replaced with the default qnan. > * Add do_nanbox() helper function to utilize gen_check_nanbox_X() to > generate the NaN-boxed floating-point values based on SEW setting. > * Apply nanbox helper in opfvf_trans > > Signed-off-by: Frank Chang > --- > target/riscv/insn_trans/trans_rvv.inc.c | 35 ++++++++++++++++++++++++- > target/riscv/translate.c | 10 +++++++ > 2 files changed, 44 insertions(+), 1 deletion(-) Reviewed-by: Richard Henderson r~