From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.90_1) id 1kC7Cm-00024t-Dl for mharc-qemu-riscv@gnu.org; Sat, 29 Aug 2020 16:12:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36396) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kC7Ck-00024k-1T for qemu-riscv@nongnu.org; Sat, 29 Aug 2020 16:12:02 -0400 Received: from mail-pf1-x42c.google.com ([2607:f8b0:4864:20::42c]:38762) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kC7Ci-0006q3-6n for qemu-riscv@nongnu.org; Sat, 29 Aug 2020 16:12:01 -0400 Received: by mail-pf1-x42c.google.com with SMTP id d22so2420675pfn.5 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=QXYpuR7ubNsetGY6ARPRk1Mr6nINb0I/OFcnkOEXN2hQCEjtrmGfVfuBCoHQGfKXKV PaL6XoC2hn1ULCUzTBf2ileUo8IlKicFwU67ReXSk3T/fL7AOxB5+drBITX/76UHTlkI yZmMgA4az6HVlWlVIS8Se5rTOBXUDIuU1iAD5HcT8e15mTemTTT8KfV+Ccaa8lZK305O S3gBflSrfoKywf0bmIbluyu8KKGoF/wQi9U/XuEQvi50+4RHXjR5RstzhkTSx0yJsd9O A/BQEW0cVnybfbuKkOaMj6ikMIs5gg0shiQ5ZPct9CVGFN4wlKSbFaYX7qPCkHToQ4z5 dFKw== X-Gm-Message-State: AOAM530x1fTPSCM+eWIQa0Q41dlz57fdi7hEITRHNFmnnzgaVPg1/aAy e4kRYtgRrbiBnibkf9L0sGEoYw== 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 Cc: Alistair Francis , Palmer Dabbelt , Sagar Karandikar , Bastian Koppelmann 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=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-riscv@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Aug 2020 20:12:02 -0000 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~