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Mon, 23 Aug 2021 10:04:55 -0700 (PDT) Received: from [192.168.1.11] ([71.212.149.176]) by smtp.gmail.com with ESMTPSA id s2sm16412585pfw.193.2021.08.23.10.04.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Aug 2021 10:04:54 -0700 (PDT) Subject: Re: [PATCH v3 05/15] target/riscv: Remove shift-one instructions (proposed Zbo in pre-0.93 draft-B) To: Philipp Tomsich , qemu-devel@nongnu.org References: <20210823164038.2195113-1-philipp.tomsich@vrull.eu> <20210823164038.2195113-6-philipp.tomsich@vrull.eu> From: Richard Henderson Message-ID: <92cece3e-43e3-b213-9034-dcf3e01d796f@linaro.org> Date: Mon, 23 Aug 2021 10:04:53 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210823164038.2195113-6-philipp.tomsich@vrull.eu> 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::42f; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42f.google.com X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 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=-2.023, 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: Kito Cheng , Alistair Francis Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 8/23/21 9:40 AM, Philipp Tomsich wrote: > The Zb[abcs] ratification package does not include the proposed > shift-one instructions. There currently is no clear plan to whether > these (or variants of them) will be ratified as Zbo (or a different > extension) or what the timeframe for such a decision could be. > > Signed-off-by: Philipp Tomsich > --- > > Changes in v3: > - Remove shift-one instructions in a separate commit. > > target/riscv/insn32.decode | 8 ---- > target/riscv/insn_trans/trans_rvb.c.inc | 52 ------------------------- > target/riscv/translate.c | 14 ------- > 3 files changed, 74 deletions(-) Reviewed-by: Richard Henderson r~