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[97.126.123.70]) by smtp.gmail.com with ESMTPSA id r3sm8528585pfg.145.2020.02.27.12.32.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 27 Feb 2020 12:32:47 -0800 (PST) Subject: Re: [PATCH v5 1/4] target/riscv: add vector extension field in CPURISCVState To: LIU Zhiwei , alistair23@gmail.com, chihmin.chao@sifive.com, palmer@dabbelt.com References: <20200221094531.61894-1-zhiwei_liu@c-sky.com> <20200221094531.61894-2-zhiwei_liu@c-sky.com> From: Richard Henderson Message-ID: <229be418-8fe0-cb5a-3ba5-3ea85f2843f0@linaro.org> Date: Thu, 27 Feb 2020 12:32:45 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <20200221094531.61894-2-zhiwei_liu@c-sky.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::543 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: wenmeng_zhang@c-sky.com, qemu-riscv@nongnu.org, qemu-devel@nongnu.org, wxy194768@alibaba-inc.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 2/21/20 1:45 AM, LIU Zhiwei wrote: > The 32 vector registers will be viewed as a continuous memory block. > It avoids the convension between element index and (regno, offset). > Thus elements can be directly accessed by offset from the first vector > base address. > > Signed-off-by: LIU Zhiwei > --- > target/riscv/cpu.h | 12 ++++++++++++ > 1 file changed, 12 insertions(+) Reviewed-by: Richard Henderson r~