Add quantized support for CPU MatMul

Resolves: COMPMID-5899
Signed-off-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Change-Id: I89d96e292c3492ba9b1900a3e5683f9dcd11dfc6
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/9440
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gunes Bayir <gunes.bayir@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 17 insertions, 1 deletions

diff --git a/tests/SimpleTensor.h b/tests/SimpleTensor.h
index c1bd7f87b5..9ea171d492 100644
--- a/tests/SimpleTensor.h
+++ b/tests/SimpleTensor.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 Arm Limited.
+ * Copyright (c) 2017-2020, 2023 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -173,6 +173,15 @@ public:
      */
     QuantizationInfo quantization_info() const override;
 
+    /** Set the quantization information of the tensor.
+     *
+     * This function does not have any effect on the raw quantized data of the tensor.
+     * It simply changes the quantization information, hence changes the dequantized values.
+     *
+     * @return A reference to the current object.
+     */
+    SimpleTensor<T> &quantization_info(const QuantizationInfo &qinfo);
+
     /** Constant pointer to the underlying buffer.
      *
      * @return a constant pointer to the data.
@@ -335,6 +344,13 @@ QuantizationInfo SimpleTensor<T>::quantization_info() const
 }
 
 template <typename T>
+SimpleTensor<T> &SimpleTensor<T>::quantization_info(const QuantizationInfo &qinfo)
+{
+    _quantization_info = qinfo;
+    return *this;
+}
+
+template <typename T>
 size_t SimpleTensor<T>::size() const
 {
     const size_t size = std::accumulate(_shape.cbegin(), _shape.cend(), 1, std::multiplies<size_t>());