COMPMID-1528: Add ReorgLayer on NEON

Change-Id: I44369b4a716767163e2233b7d87bff300c523383
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/146314
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/runtime/NEON/functions/NEReorgLayer.h b/arm_compute/runtime/NEON/functions/NEReorgLayer.h
new file mode 100644
index 0000000..f29b2f1
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEReorgLayer.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2018 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 __ARM_COMPUTE_NEREORGLAYER_H__
+#define __ARM_COMPUTE_NEREORGLAYER_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+// Forward declarations
+class ITensor;
+
+/** Basic function to run @ref NEReorgLayerKernel */
+class NEReorgLayer : public INESimpleFunction
+{
+public:
+    /** Initialise the kernel's inputs and outputs
+     *
+     * @param[in]  input  First tensor input. Data type supported: U8/S8/QASYMM8//U16/S16/U32/S32/F16/F32
+     * @param[out] output Output tensor. Data type supported: Same as @p input
+     * @param[in]  stride Stride to be used during data re-organization
+     */
+    void configure(const ITensor *input, ITensor *output, int32_t stride);
+
+    /** Static function to check if given info will lead to a valid configuration of @ref NEReorgLayer
+     *
+     * @param[in] input  First tensor info. Data type supported: U8/S8/QASYMM8//U16/S16/U32/S32/F16/F32
+     * @param[in] output Output tensor info. Data type supported: Same as @p input
+     * @param[in] stride Stride to be used during data re-organization
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *input, const ITensorInfo *output, int32_t stride);
+};
+} // namespace arm_compute
+#endif /*__ARM_COMPUTE_NEREORGLAYER_H__ */