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[189.204.159.168]) by smtp.gmail.com with ESMTPSA id 189sm7499055oid.40.2020.10.09.15.36.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 09 Oct 2020 15:36:35 -0700 (PDT) Subject: Re: [PATCH] target/arm: Fix SMLAD incorrect setting of Q bit To: Peter Maydell , qemu-arm , QEMU Developers References: <20201009144712.11187-1-peter.maydell@linaro.org> From: Richard Henderson Message-ID: <21d142c5-d651-269a-8fbb-d35a743f1945@linaro.org> Date: Fri, 9 Oct 2020 17:36:33 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::343; envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x343.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 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=-0.208, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 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 10/9/20 1:48 PM, Peter Maydell wrote: > On Fri, 9 Oct 2020 at 15:47, Peter Maydell wrote: >> + tcg_gen_extr_i64_i32(t1, t2, p64); > > Oh, I forgot to mention, but it looks like extr_i64_i32 > isn't documented in tcg/README. Is that because it isn't > really a TCG IR op, or just an omission? Because it's not an IR op. It's the combo of extrl and extrh. r~