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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id n17sm16229693wrp.17.2021.09.20.07.20.05 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Sep 2021 07:20:05 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 22/27] target/arm: Optimize MVE VDUP Date: Mon, 20 Sep 2021 15:19:42 +0100 Message-Id: <20210920141947.5537-23-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210920141947.5537-1-peter.maydell@linaro.org> References: <20210920141947.5537-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::431; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x431.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, 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Optimize the MVE VDUP insns by using TCG vector ops when possible. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20210913095440.13462-8-peter.maydell@linaro.org --- target/arm/translate-mve.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index d30c7e57ea3..13de55242e2 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -500,11 +500,15 @@ static bool trans_VDUP(DisasContext *s, arg_VDUP *a) return true; } - qd = mve_qreg_ptr(a->qd); rt = load_reg(s, a->rt); - tcg_gen_dup_i32(a->size, rt, rt); - gen_helper_mve_vdup(cpu_env, qd, rt); - tcg_temp_free_ptr(qd); + if (mve_no_predication(s)) { + tcg_gen_gvec_dup_i32(a->size, mve_qreg_offset(a->qd), 16, 16, rt); + } else { + qd = mve_qreg_ptr(a->qd); + tcg_gen_dup_i32(a->size, rt, rt); + gen_helper_mve_vdup(cpu_env, qd, rt); + tcg_temp_free_ptr(qd); + } tcg_temp_free_i32(rt); mve_update_eci(s); return true; -- 2.20.1