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[174.21.70.228]) by smtp.gmail.com with ESMTPSA id g16sm14137468pgl.22.2021.06.14.13.00.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 14 Jun 2021 13:00:27 -0700 (PDT) Subject: Re: [PATCH v2 14/57] target/arm: Implement MVE VCLZ To: Peter Maydell , qemu-arm@nongnu.org, qemu-devel@nongnu.org References: <20210614151007.4545-1-peter.maydell@linaro.org> <20210614151007.4545-15-peter.maydell@linaro.org> From: Richard Henderson Message-ID: <91fbf139-d4d1-c985-6d78-891f82b3da6c@linaro.org> Date: Mon, 14 Jun 2021 13:00:25 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210614151007.4545-15-peter.maydell@linaro.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::632; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x632.google.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 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=-0.489, 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-devel@nongnu.org X-Mailman-Version: 2.1.23 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 6/14/21 8:09 AM, Peter Maydell wrote: > Implement the MVE VCLZ insn (and the necessary machinery > for MVE 1-input vector ops). > > Note that for non-load instructions predication is always performed > at a byte level granularity regardless of element size (R_ZLSJ), > and so the masking logic here differs from that used in the VLDR > and VSTR helpers. > > Signed-off-by: Peter Maydell > --- > target/arm/helper-mve.h | 4 ++ > target/arm/mve.decode | 8 ++++ > target/arm/mve_helper.c | 97 ++++++++++++++++++++++++++++++++++++++ > target/arm/translate-mve.c | 38 +++++++++++++++ > 4 files changed, 147 insertions(+) Reviewed-by: Richard Henderson r~