1 files changed, 53 insertions, 0 deletions
diff --git a/src/cpu/kernels/maxunpool/generic/neon/impl.h b/src/cpu/kernels/maxunpool/generic/neon/impl.h
new file mode 100644
index 0000000000..73a5b86a2f
--- /dev/null
+++ b/src/cpu/kernels/maxunpool/generic/neon/impl.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2022-2023 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.
+ */
+#ifndef ACL_SRC_CPU_KERNELS_MAXUNPOOL_GENERIC_NEON_IMPL_H
+#define ACL_SRC_CPU_KERNELS_MAXUNPOOL_GENERIC_NEON_IMPL_H
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/Window.h"
+
+#include "src/core/NEON/wrapper/wrapper.h"
+namespace arm_compute
+{
+namespace cpu
+{
+template <typename T>
+void max_unpooling(const ITensor *input, const ITensor *indices, ITensor *output, const Window &window)
+{
+    Iterator  input_itr(input, window);
+    Iterator  indices_itr(indices, window);
+    auto      out_ptr      = reinterpret_cast<T *>(output->buffer());
+    const int out_stride_w = static_cast<int>(output->info()->strides_in_bytes()[3]);
+    execute_window_loop(
+        window,
+        [&](const Coordinates &id)
+        {
+            auto vindices                                         = reinterpret_cast<uint32_t *>(indices_itr.ptr());
+            auto vinput                                           = reinterpret_cast<T *>(input_itr.ptr());
+            out_ptr[id[3] * out_stride_w / sizeof(T) + *vindices] = *vinput;
+        },
+        input_itr, indices_itr);
+}
+} // namespace cpu
+} // namespace arm_compute
+#endif // ACL_SRC_CPU_KERNELS_MAXUNPOOL_GENERIC_NEON_IMPL_H