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[83.193.250.196]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-434f5800218sm34681225e9.1.2024.12.09.08.06.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 09 Dec 2024 08:06:18 -0800 (PST) Message-ID: <64f7b7b5-5dc6-4e66-9c30-dc26ef851baf@linaro.org> Date: Mon, 9 Dec 2024 17:06:17 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 01/17] softfloat: Add float{16,32,64}_muladd_scalbn To: Richard Henderson , qemu-devel@nongnu.org Cc: bcain@oss.qualcomm.com, peter.maydell@linaro.org, mark.cave-ayland@ilande.co.uk References: <20241208224844.570491-1-richard.henderson@linaro.org> <20241208224844.570491-2-richard.henderson@linaro.org> Content-Language: en-US From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= In-Reply-To: <20241208224844.570491-2-richard.henderson@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::334; envelope-from=philmd@linaro.org; helo=mail-wm1-x334.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 8/12/24 23:48, Richard Henderson wrote: > We currently have a flag, float_muladd_halve_result, to scale > the result by 2**-1. Extend this to handle arbitrary scaling. > > Signed-off-by: Richard Henderson > --- > include/fpu/softfloat.h | 6 ++++ > fpu/softfloat.c | 58 ++++++++++++++++++++++----------------- > fpu/softfloat-parts.c.inc | 7 +++-- > 3 files changed, 44 insertions(+), 27 deletions(-) Reviewed-by: Philippe Mathieu-Daudé