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Sun, 26 Jan 2025 05:19:24 -0800 (PST) Received: from [192.168.163.227] ([50.225.135.10]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-72f8a69fb24sm5164577b3a.8.2025.01.26.05.19.24 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 26 Jan 2025 05:19:24 -0800 (PST) Message-ID: <4b83ecea-c198-463c-9cbe-9e1abb058cfc@linaro.org> Date: Sun, 26 Jan 2025 05:19:22 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 65/76] target/arm: Handle FPCR.AH in negation step in SVE FMLS (vector) To: qemu-devel@nongnu.org References: <20250124162836.2332150-1-peter.maydell@linaro.org> <20250124162836.2332150-66-peter.maydell@linaro.org> Content-Language: en-US From: Richard Henderson In-Reply-To: <20250124162836.2332150-66-peter.maydell@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::62e; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62e.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, T_SCC_BODY_TEXT_LINE=-0.01 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 1/24/25 08:28, Peter Maydell wrote: > Handle the FPCR.AH "don't negate the sign of a NaN" semantics fro the > SVE FMLS (vector) insns, by providing new helpers for the AH=1 case > which end up passing fpcr_ah = true to the do_fmla_zpzzz_* functions > that do the work. > > Signed-off-by: Peter Maydell > --- > target/arm/tcg/helper-sve.h | 21 ++++++ > target/arm/tcg/sve_helper.c | 114 +++++++++++++++++++++++++++------ > target/arm/tcg/translate-sve.c | 18 ++++-- > 3 files changed, 126 insertions(+), 27 deletions(-) Reviewed-by: Richard Henderson r~