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Fri, 15 Aug 2025 06:33:50 -0700 (PDT) Received: from [192.168.4.112] ([206.83.105.236]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2446ca9d016sm14475025ad.35.2025.08.15.06.33.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 15 Aug 2025 06:33:49 -0700 (PDT) Message-ID: <2099c9ed-9d2a-4820-aab7-bc942ca44206@linaro.org> Date: Fri, 15 Aug 2025 23:33:44 +1000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 02/11] target/arm: Implement MIN/MAX (immediate) To: Peter Maydell Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org References: <20250803014019.416797-1-richard.henderson@linaro.org> <20250803014019.416797-3-richard.henderson@linaro.org> From: Richard Henderson Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::531; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x531.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, 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: 2.1.29 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 8/15/25 23:18, Peter Maydell wrote: > We end up doing the zero-extension twice for the 32-bit case, > once in gen_wrap3_i32(), and once in gen_rri(). Does the > extra one get optimized away ? Yes. That's what the z_mask stuff in tcg/optimize.c is for. r~