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Mon, 21 Jun 2021 11:12:31 -0700 (PDT) Received: from [192.168.1.11] ([71.212.149.176]) by smtp.gmail.com with ESMTPSA id l7sm17338218pgb.19.2021.06.21.11.12.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 21 Jun 2021 11:12:30 -0700 (PDT) Subject: Re: [PATCH 03/28] tcg/aarch64: Support bswap flags To: Peter Maydell References: <20210614083800.1166166-1-richard.henderson@linaro.org> <20210614083800.1166166-4-richard.henderson@linaro.org> From: Richard Henderson Message-ID: <5a03a209-567a-df86-1b47-9cc39d82eb7b@linaro.org> Date: Mon, 21 Jun 2021 11:12:29 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::529; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x529.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, NICE_REPLY_A=-0.001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 6/21/21 7:01 AM, Peter Maydell wrote: > Side note: it's rather confusing that tcg_out_rev32() doesn't > emit a REV32 insn (it emits REV with sf==0). Which is REV with SF=0 also has OPC=10, which is REV32. So I think it's a simple case of the assembly mnemonics not matching up with the machine instructions as nicely as all that. r~