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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id E886CC43334 for ; Tue, 19 Jul 2022 07:18:47 +0000 (UTC) Received: from localhost ([::1]:55212 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oDhVH-0000xx-2J for qemu-devel@archiver.kernel.org; Tue, 19 Jul 2022 03:18:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42908) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oDhMJ-0003Cw-9a for qemu-devel@nongnu.org; Tue, 19 Jul 2022 03:09:31 -0400 Received: from mail-il1-x12b.google.com ([2607:f8b0:4864:20::12b]:34687) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oDhMH-0003cS-MH for qemu-devel@nongnu.org; Tue, 19 Jul 2022 03:09:30 -0400 Received: by mail-il1-x12b.google.com with SMTP id w9so3694522ilg.1 for ; Tue, 19 Jul 2022 00:09:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=hKS6eNAnRbxQ8xADWF2bkgkpQSJ1Fome0A/Kzf5fx/M=; b=m0so+tgPFV7iWsPqzv8se99dSI642Q3F+R6snPg/RbaqY7eUXToMjy/uJXjpF9F34A 7YJtWDm3O7wfsf/ogiJqDxwvRt/rWLXyYmoVKea/5JM0VOrqoj0xB+jDQFViSjjwPA+f XBIqLfUvOr3V/9CzOwLI/003qN4fo5NGdpEjVZ0dDXgMofup/ty9Zi0h8bSyCi56or7+ NXnphH7aDpgFDerwCOlYeOXy0IqD8/EMhgUMqKgKlVG7cuW3aiMhalT7WBWH9g4ri5ce jh8ZI1PFLWSVNcnyM5osoBlkK1MPB7tRIPzBMWioAOcU79fe0J+v4vn9awhjtBsFaph5 yedQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=hKS6eNAnRbxQ8xADWF2bkgkpQSJ1Fome0A/Kzf5fx/M=; b=bykzQjhLHzarGI6msQz31ie91XyJyAUfhQy2xd7mTgGCTxcxHXdwinjFesfpCg7DRV KPFIifRigRg9t+3Lm1xwF+86vS62k4uswwqObw4AR/O65/5FoF/kJuG9EnYxnldkoYrQ GHf12vJOsWpkuPdjhM9UKvhGGsVhmhBz/IXYac1PGPJ1mWEWJwYyvlrdO/VQAp+ogjXo dWsvddNnJqNbC7Tud2OCov95XZoksh7UFk6L9Q+Wn1YYVcH5RYSI+S7g/YpH1Z0dWr2V akyO+CPeWcA6j7V0A21b8ELVqRvDWm4PNZKquQruyfhsDhYykUPcwU8lCwxzWs9GW16m gVpw== X-Gm-Message-State: AJIora/KbLGBsR6+QQgoNMI48LgXa+Q0s7gJHhMbk4AWR2NuAiQk5DTb EsKRl/i8ILCocylVrbTK2dUg2g== X-Google-Smtp-Source: AGRyM1uEZHxR1Q3v2/u6cgkYomgzfpYaH12ZFL+45kWoZGzyzpShN1ogEsOIXLI3Ekm/Sz3zmm3+3w== X-Received: by 2002:a05:6e02:20e3:b0:2dc:f04c:f9db with SMTP id q3-20020a056e0220e300b002dcf04cf9dbmr3466970ilv.169.1658214568098; Tue, 19 Jul 2022 00:09:28 -0700 (PDT) Received: from [192.168.113.227] ([172.58.139.163]) by smtp.gmail.com with ESMTPSA id u10-20020a92da8a000000b002dce2eb888dsm2556083iln.42.2022.07.19.00.09.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 19 Jul 2022 00:09:27 -0700 (PDT) Message-ID: <4f5dc576-9b6a-1f61-39b8-fc59206cfd82@linaro.org> Date: Tue, 19 Jul 2022 12:39:18 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: [PATCH 2/8] fpu/softfloat: Add LoongArch specialization for pickNaNMulAdd Content-Language: en-US To: Song Gao , qemu-devel@nongnu.org Cc: alex.bennee@linaro.org, f4bug@amsat.org, peter.maydell@linaro.org, yangxiaojuan@loongson.cn References: <20220716085426.3098060-1-gaosong@loongson.cn> <20220716085426.3098060-3-gaosong@loongson.cn> From: Richard Henderson In-Reply-To: <20220716085426.3098060-3-gaosong@loongson.cn> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::12b; envelope-from=richard.henderson@linaro.org; helo=mail-il1-x12b.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 7/16/22 14:24, Song Gao wrote: > LoongArch system follows IEEE754-2008 specificationa. The (inf,zero,nan) > case sets InvalidOp and returns the input value 'c', and Prefer sNaN > over qNaN, in the c, a, b order. > > Signed-off-by: Song Gao Yep, matches paragraph 3 of 3.1.1.3. Non-numerical Result of Instructions. You need another patch for pickNaN, just above here. You can add TARGET_LOONGARCH64 to the first #if block, with ARM, MIPS and HPPA. Reviewed-by: Richard Henderson r~