5 files changed, 19 insertions, 9 deletions
diff --git a/src/backends/reference/RefLayerSupport.cpp b/src/backends/reference/RefLayerSupport.cpp
index 18b36a5fa8..696c6d9dac 100644
--- a/src/backends/reference/RefLayerSupport.cpp
+++ b/src/backends/reference/RefLayerSupport.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2017 Arm Ltd. All rights reserved.
+// Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 
@@ -987,6 +987,7 @@ bool RefLayerSupport::IsFullyConnectedSupported(const TensorInfo& input,
 bool RefLayerSupport::IsGatherSupported(const armnn::TensorInfo& input0,
                                         const armnn::TensorInfo& input1,
                                         const armnn::TensorInfo& output,
+                                        const GatherDescriptor& descriptor,
                                         armnn::Optional<std::string&> reasonIfUnsupported) const
 {
     bool supported = true;
@@ -1001,6 +1002,11 @@ bool RefLayerSupport::IsGatherSupported(const armnn::TensorInfo& input0,
         DataType::Signed32
     };
 
+    if (descriptor.m_Axis != 0)
+    {
+        reasonIfUnsupported.value() += std::string("Reference Gather: axis not supported\n");
+        supported &= false;
+    }
     supported &= CheckSupportRule(TypeAnyOf(input0, supportedTypes), reasonIfUnsupported,
                                   "Reference Gather: input type not supported");
 
diff --git a/src/backends/reference/RefLayerSupport.hpp b/src/backends/reference/RefLayerSupport.hpp
index 96bff56a42..7d2bbf240e 100644
--- a/src/backends/reference/RefLayerSupport.hpp
+++ b/src/backends/reference/RefLayerSupport.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2017 Arm Ltd. All rights reserved.
+// Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 #pragma once
@@ -160,6 +160,7 @@ public:
     bool IsGatherSupported(const TensorInfo& input0,
                            const TensorInfo& input1,
                            const TensorInfo& output,
+                           const GatherDescriptor& descriptor,
                            Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const override;
 
     ARMNN_DEPRECATED_MSG("Use IsComparisonSupported instead")
@@ -346,7 +347,6 @@ public:
                               const TensorInfo& output,
                               const TransposeDescriptor& descriptor,
                               Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const override;
-
 };
 
 } // namespace armnn
diff --git a/src/backends/reference/workloads/Gather.cpp b/src/backends/reference/workloads/Gather.cpp
index c23edcd3bd..3e2190c81b 100644
--- a/src/backends/reference/workloads/Gather.cpp
+++ b/src/backends/reference/workloads/Gather.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2017 Arm Ltd. All rights reserved.
+// Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 
@@ -20,9 +20,12 @@ void Gather(const TensorInfo& paramsInfo,
             const TensorInfo& outputInfo,
             Decoder<float>& params,
             const int32_t* indices,
-            Encoder<float>& output)
+            Encoder<float>& output,
+            const int32_t axis)
 {
     IgnoreUnused(outputInfo);
+    IgnoreUnused(axis);
+
     const TensorShape& paramsShape = paramsInfo.GetShape();
 
     unsigned int paramsProduct = 1;
diff --git a/src/backends/reference/workloads/Gather.hpp b/src/backends/reference/workloads/Gather.hpp
index 16c983eec4..1550f4b97c 100644
--- a/src/backends/reference/workloads/Gather.hpp
+++ b/src/backends/reference/workloads/Gather.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2017 Arm Ltd. All rights reserved.
+// Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 
@@ -19,6 +19,7 @@ void Gather(const TensorInfo& paramsInfo,
             const TensorInfo& outputInfo,
             Decoder<float>& params,
             const int32_t* indices,
-            Encoder<float>& output);
+            Encoder<float>& output,
+            const int32_t = 0);
 
 } //namespace armnn
diff --git a/src/backends/reference/workloads/RefGatherWorkload.cpp b/src/backends/reference/workloads/RefGatherWorkload.cpp
index 8edf14c8f8..eaeed61b0a 100644
--- a/src/backends/reference/workloads/RefGatherWorkload.cpp
+++ b/src/backends/reference/workloads/RefGatherWorkload.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2017 Arm Ltd. All rights reserved.
+// Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 
@@ -29,7 +29,7 @@ void RefGatherWorkload::Execute() const
     std::unique_ptr<Encoder<float>> encoderPtr = MakeEncoder<float>(outputInfo, m_Data.m_Outputs[0]->Map());
     Encoder<float>& encoder = *encoderPtr;
 
-    Gather(inputInfo0, inputInfo1, outputInfo, decoder, indicesData, encoder);
+    Gather(inputInfo0, inputInfo1, outputInfo, decoder, indicesData, encoder, m_Data.m_Parameters.m_Axis);
 }
 
 } //namespace armnn