1 files changed, 29 insertions, 4 deletions
diff --git a/src/cpu/kernels/genproposals/generic/neon/impl.h b/src/cpu/kernels/genproposals/generic/neon/impl.h
index 88f5e52020..da052c9192 100644
--- a/src/cpu/kernels/genproposals/generic/neon/impl.h
+++ b/src/cpu/kernels/genproposals/generic/neon/impl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022 Arm Limited.
+ * Copyright (c) 2022-2023 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -24,16 +24,41 @@
 #ifndef SRC_CORE_SVE_KERNELS_NEGENERATEPROPOSALSLAYERKERNEL_IMPL_H
 #define SRC_CORE_SVE_KERNELS_NEGENERATEPROPOSALSLAYERKERNEL_IMPL_H
 #include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/ITensor.h"
 #include "arm_compute/core/Window.h"
 #include "src/core/NEON/wrapper/wrapper.h"
 namespace arm_compute
 {
-class ITensor;
-class Window;
 namespace cpu
 {
 template <typename T>
-void compute_all_anchors(const ITensor *anchors, ITensor *all_anchors, ComputeAnchorsInfo anchors_info, const Window &window);
+void compute_all_anchors(const ITensor *anchors, ITensor *all_anchors, ComputeAnchorsInfo anchors_info, const Window &window)
+{
+    Iterator all_anchors_it(all_anchors, window);
+    Iterator anchors_it(all_anchors, window);
+
+    const size_t num_anchors = anchors->info()->dimension(1);
+    const T      stride      = 1.f / anchors_info.spatial_scale();
+    const size_t feat_width  = anchors_info.feat_width();
+
+    execute_window_loop(window, [&](const Coordinates & id)
+    {
+        const size_t anchor_offset = id.y() % num_anchors;
+
+        const auto out_anchor_ptr = reinterpret_cast<T *>(all_anchors_it.ptr());
+        const auto anchor_ptr     = reinterpret_cast<T *>(anchors->ptr_to_element(Coordinates(0, anchor_offset)));
+
+        const size_t shift_idy = id.y() / num_anchors;
+        const T      shiftx    = (shift_idy % feat_width) * stride;
+        const T      shifty    = (shift_idy / feat_width) * stride;
+
+        *out_anchor_ptr       = *anchor_ptr + shiftx;
+        *(out_anchor_ptr + 1) = *(1 + anchor_ptr) + shifty;
+        *(out_anchor_ptr + 2) = *(2 + anchor_ptr) + shiftx;
+        *(out_anchor_ptr + 3) = *(3 + anchor_ptr) + shifty;
+    },
+    all_anchors_it);
+}
 
 void compute_all_anchors_qasymm16(const ITensor *anchors, ITensor *all_anchors, ComputeAnchorsInfo anchors_info, const Window &window);
 } // namespace cpu