IVGCVSW-3236 Extend Ref LSTM with layer normalization support

* Add descriptor values
* Update lstm queue descriptor validate function
* Update lstm workload
* Update isLstmSupported (Cl and Ref), LayerSupportBase, ILayerSupport
* Update lstm layer
* Add unit tests

Signed-off-by: Jan Eilers <jan.eilers@arm.com>
Change-Id: I932175d550facfb342325051eaa7bd2084ebdc18
Signed-off-by: Jan Eilers <jan.eilers@arm.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/backends/backendsCommon/WorkloadData.hpp b/src/backends/backendsCommon/WorkloadData.hpp
index fa9e1cdf52..d241f7b24f 100644
--- a/src/backends/backendsCommon/WorkloadData.hpp
+++ b/src/backends/backendsCommon/WorkloadData.hpp
@@ -344,6 +344,10 @@ struct LstmQueueDescriptor : QueueDescriptorWithParameters<LstmDescriptor>
         , m_OutputGateBias(nullptr)
         , m_ProjectionWeights(nullptr)
         , m_ProjectionBias(nullptr)
+        , m_InputLayerNormWeights(nullptr)
+        , m_ForgetLayerNormWeights(nullptr)
+        , m_CellLayerNormWeights(nullptr)
+        , m_OutputLayerNormWeights(nullptr)
     {
     }
 
@@ -364,6 +368,10 @@ struct LstmQueueDescriptor : QueueDescriptorWithParameters<LstmDescriptor>
     const ConstCpuTensorHandle* m_OutputGateBias;
     const ConstCpuTensorHandle* m_ProjectionWeights;
     const ConstCpuTensorHandle* m_ProjectionBias;
+    const ConstCpuTensorHandle* m_InputLayerNormWeights;
+    const ConstCpuTensorHandle* m_ForgetLayerNormWeights;
+    const ConstCpuTensorHandle* m_CellLayerNormWeights;
+    const ConstCpuTensorHandle* m_OutputLayerNormWeights;
 
     void Validate(const WorkloadInfo& workloadInfo) const;
 };