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 BA5C3C433E6 for ; Sat, 29 Aug 2020 20:12:40 +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 82D2420774 for ; Sat, 29 Aug 2020 20:12:40 +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="HcRIO1/N" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 82D2420774 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]:39892 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kC7DL-0002Yg-P3 for qemu-devel@archiver.kernel.org; Sat, 29 Aug 2020 16:12:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36398) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kC7Cn-00025n-Aa for qemu-devel@nongnu.org; Sat, 29 Aug 2020 16:12:05 -0400 Received: from mail-pf1-x42c.google.com ([2607:f8b0:4864:20::42c]:33618) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kC7Ci-0006q2-6k for qemu-devel@nongnu.org; Sat, 29 Aug 2020 16:12:05 -0400 Received: by mail-pf1-x42c.google.com with SMTP id u20so2434070pfn.0 for ; Sat, 29 Aug 2020 13:11:59 -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=aMR9+Ug4MmUYHlwmy8IgjDYQBVduO+UIUYA30MHKoqQ=; b=HcRIO1/Nk5Dag6u82Fb4ZMbk2qjPSV0L6OHx39bwYPJjycOcMUcG8mIyPITSxp9VrG mKRoBtbQDIS7iNB6fyZvXucoLIJ4n+ctYPYlumLqOIKKVRd5/njfWOswebQJ+Ypi7DQc vqM759UBgv3Yps8/npfBgqXLrGxdbXkGi806KC1/Kkejdzmb+WLxcENXwn+gYhoGszsc e8va/VYglgVpd/4468fUVhoFNXJSzJS3nFLIMFf66mue1YAhgWkrVGHs2zsLXLOOlLm1 FnBGL5NWx/mTvNbrjmyAmHeUdkqD+Mu9wTuk+Gljq5mEPgldyR5SXmuNIwQRPN19vY9z RtFA== 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=aMR9+Ug4MmUYHlwmy8IgjDYQBVduO+UIUYA30MHKoqQ=; b=f2JuFRNqGvEairGXYVVS4R/I9ZY+4EC3JZXKHuxodiW83jT9/JLpE6OQaheebbF8tF 2mDPeJEyrh7ZofMuuWCTPEJ+rZjJjgDtDrvlomjJi6ISUPDx6+0VzkSHwnLZkFtdO+n6 0edNJhtXy16XDd/mWo+A2/s3UlAbUPcQvy8Ce/tdDAI5xlxtEHxYL8lSWAAAPLeUQYGl KsHknYd8rAHAsHl01BRzzxj8QSE/z5w0WDk3LRhqsdsm6qfAMU/EYz59w52/tBIQSRbl bMlNXlz7LFn0bWHu2IGZ9wgAj4PxAPXZCP/CKfpMEwg2wM40CSXfCv64OuMkHQKT3r9S B5sQ== X-Gm-Message-State: AOAM530RPsBaObvh5/Ux1CDtzrWtTrJa21EPq4HL1y4w8IwqqGtD8gmG WZUt5H85p5eZrpaQf5YCjXpjhw== X-Google-Smtp-Source: ABdhPJzV33SGAvd0Jb1oev8+ZxlkJOLEVgfLdNMNX4dst6BxAFB9xJdw5HB7bqXks4TpV4XIZ7HWbg== X-Received: by 2002:aa7:8ec4:: with SMTP id b4mr4014973pfr.227.1598731918848; Sat, 29 Aug 2020 13:11:58 -0700 (PDT) Received: from [192.168.1.11] ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id o66sm3242040pgo.25.2020.08.29.13.11.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 29 Aug 2020 13:11:58 -0700 (PDT) Subject: Re: [RFC v4 40/70] target/riscv: rvv-1.0: single-width averaging add and subtract instructions To: frank.chang@sifive.com, qemu-devel@nongnu.org, qemu-riscv@nongnu.org References: <20200817084955.28793-1-frank.chang@sifive.com> <20200817084955.28793-41-frank.chang@sifive.com> From: Richard Henderson Message-ID: <46a22b9d-b27e-f1c3-1d33-89b0d6024e5f@linaro.org> Date: Sat, 29 Aug 2020 13:11:56 -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: <20200817084955.28793-41-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::42c; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42c.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 the following instructions: > > * vaaddu.vv > * vaaddu.vx > * vasubu.vv > * vasubu.vx > > Remove the following instructions: > > * vadd.vi > > Signed-off-by: Frank Chang > --- > target/riscv/helper.h | 16 ++++++ > target/riscv/insn32.decode | 13 +++-- > target/riscv/insn_trans/trans_rvv.inc.c | 5 +- > target/riscv/vector_helper.c | 74 +++++++++++++++++++++++++ > 4 files changed, 102 insertions(+), 6 deletions(-) Reviewed-by: Richard Henderson r~