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[83.50.185.174]) by smtp.gmail.com with ESMTPSA id j16sm4008157wms.12.2021.12.19.03.37.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 19 Dec 2021 03:37:55 -0800 (PST) Message-ID: <37175802-c8ae-01a4-1550-7bb15aab37a0@amsat.org> Date: Sun, 19 Dec 2021 12:37:55 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.0 Subject: Re: [PATCH 01/20] tcg/optimize: Fix folding of vector ops Content-Language: en-US To: Richard Henderson , qemu-devel@nongnu.org References: <20211218194250.247633-1-richard.henderson@linaro.org> <20211218194250.247633-2-richard.henderson@linaro.org> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= In-Reply-To: <20211218194250.247633-2-richard.henderson@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::430 (failed) Received-SPF: pass client-ip=2a00:1450:4864:20::430; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x430.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, NICE_REPLY_A=-0.563, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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" On 12/18/21 20:42, Richard Henderson wrote: > Bitwise operations are easy to fold, because the operation is > identical regardess of element size. But add and sub need Typo "regardless". > extra element size info that is not currently propagated. > > Fixes: 2f9f08ba43d > Signed-off-by: Richard Henderson > --- > tcg/optimize.c | 49 ++++++++++++++++++++++++++++++++++++++----------- > 1 file changed, 38 insertions(+), 11 deletions(-) Reviewed-by: Philippe Mathieu-Daudé