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[174.21.84.25]) by smtp.gmail.com with ESMTPSA id v126sm19486846pfv.163.2021.02.15.12.41.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 15 Feb 2021 12:41:52 -0800 (PST) Subject: Re: [RFC PATCH 22/42] target/mips/tx79: Introduce PINTEH (Parallel Interleave Even Halfword) To: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , qemu-devel@nongnu.org References: <20210214175912.732946-1-f4bug@amsat.org> <20210214175912.732946-23-f4bug@amsat.org> From: Richard Henderson Message-ID: Date: Mon, 15 Feb 2021 12:41:50 -0800 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: <20210214175912.732946-23-f4bug@amsat.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::102d; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102d.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: Thomas Huth , Aleksandar Rikalo , Fredrik Noring , Laurent Vivier , =?UTF-8?Q?Alex_Benn=c3=a9e?= , Aurelien Jarno , "Maciej W. Rozycki" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 2/14/21 9:58 AM, Philippe Mathieu-Daudé wrote: > + /* Lower halve */ > + gen_load_gpr(ax, a->rs); > + gen_load_gpr(bx, a->rt); > + if (a->rd != a->rt) { > + tcg_gen_mov_i64(cpu_gpr[a->rd], bx); > + } > + tcg_gen_deposit_i64(cpu_gpr[a->rd], cpu_gpr[a->rd], ax, 16, 16); > + tcg_gen_shri_i64(ax, ax, 32); > + tcg_gen_deposit_i64(cpu_gpr[a->rd], cpu_gpr[a->rd], ax, 48, 16); mask = tcg_constant_i64(0x0000ffff0000ffffull); tcg_gen_shli_i64(x, a, 8); tcg_gen_and_i64(x, x, mask); tcg_gen_and_i64(y, b, mask); tcg_gen_or_i64(d, x, y); and then you can use trans_parallel_logic. r~