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-rw-r--r--src/cpu/kernels/floor/neon/fp32.cpp61
1 files changed, 61 insertions, 0 deletions
diff --git a/src/cpu/kernels/floor/neon/fp32.cpp b/src/cpu/kernels/floor/neon/fp32.cpp
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+++ b/src/cpu/kernels/floor/neon/fp32.cpp
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+/*
+ * Copyright (c) 2020-2021 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "src/common/utils/Validate.h"
+#include "src/core/NEON/NEMath.h"
+
+#include <arm_neon.h>
+#include <cmath>
+#include <cstddef>
+
+namespace arm_compute
+{
+namespace cpu
+{
+constexpr int step = 4;
+
+void fp32_neon_floor(const void *src, void *dst, int len)
+{
+ ARM_COMPUTE_ASSERT_NOT_NULLPTR(src);
+ ARM_COMPUTE_ASSERT_NOT_NULLPTR(dst);
+ ARM_COMPUTE_ASSERT(len >= 0);
+
+ auto psrc = static_cast<const float *>(src);
+ auto pdst = static_cast<float *>(dst);
+
+ for (; len >= step; len -= step)
+ {
+ vst1q_f32(pdst, vfloorq_f32(vld1q_f32(psrc)));
+ psrc += step;
+ pdst += step;
+ }
+
+ for (; len > 0; --len)
+ {
+ *pdst = std::floor(*psrc);
+ ++pdst;
+ ++psrc;
+ }
+}
+} // namespace cpu
+} // namespace arm_compute