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([2a02:c7c:74db:8d00:eca5:8bcb:58d9:c940]) by smtp.gmail.com with ESMTPSA id m18-20020a7bcb92000000b003f24f245f57sm24087565wmi.42.2023.05.01.09.33.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 01 May 2023 09:33:36 -0700 (PDT) Message-ID: Date: Mon, 1 May 2023 17:33:34 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [PATCH v4 2/3] target/riscv: Reuse tb->flags.FS To: Mayuresh Chitale , qemu-devel@nongnu.org, qemu-riscv@nongnu.org, alistair.francis@wdc.com Cc: Alistair Francis , Daniel Barboza , liweiwei@iscas.ac.cn References: <20230501140020.3667219-1-mchitale@ventanamicro.com> <20230501140020.3667219-3-mchitale@ventanamicro.com> Content-Language: en-US From: Richard Henderson In-Reply-To: <20230501140020.3667219-3-mchitale@ventanamicro.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2a00:1450:4864:20::32e; envelope-from=richard.henderson@linaro.org; helo=mail-wm1-x32e.google.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 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=-1.422, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 5/1/23 15:00, Mayuresh Chitale wrote: > When misa.F is 0 tb->flags.FS field is unused and can be used to save > the current state of smstateen0.FCSR check which is needed by the > floating point translation routines. > > Signed-off-by: Mayuresh Chitale > Reviewed-by: Weiwei Li > --- > target/riscv/cpu_helper.c | 6 ++++++ > target/riscv/insn_trans/trans_rvf.c.inc | 7 ++++--- > 2 files changed, 10 insertions(+), 3 deletions(-) Reviewed-by: Richard Henderson r~