MLBEDSW-8111: Update to TensorFlow 2.14

- Update to TensorFlow 2.14 and minimum required Python version to 3.9.
- Update version pins on NumPy and FlatBuffers.
- Add constraint to Offset attribute of StridedSlice operator

Change-Id: I8c7122def963202e5f47e92b62be607935ed05cf
Signed-off-by: Rickard Bolin <rickard.bolin@arm.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/ethosu/vela/tflite_supported_operators.py b/ethosu/vela/tflite_supported_operators.py
index 3dbde847..41862b6e 100644
--- a/ethosu/vela/tflite_supported_operators.py
+++ b/ethosu/vela/tflite_supported_operators.py
@@ -306,6 +306,7 @@ class TFLiteSupportedOperators:
         self.specific_constraints[Op.StridedSlice].append(
             TFLiteSupportedOperators.constraint_stridedslice_stride_values
         )
+        self.specific_constraints[Op.StridedSlice].append(TFLiteSupportedOperators.constraint_stridedslice_offset_false)
 
         # Pad specific checks:
         self.specific_constraints[Op.Pad].append(TFLiteSupportedOperators.constraint_pad_shape)
@@ -806,6 +807,13 @@ class TFLiteSupportedOperators:
         return valid, f"Op has strides values {strides.values}"
 
     @staticmethod
+    def constraint_stridedslice_offset_false(op):
+        "Offset attribute must be False"
+        offset = op.attrs.get("offset", False)
+        valid = offset is False
+        return valid, f"Op has offset={offset}"
+
+    @staticmethod
     def constraint_inputs_int32(op):
         "Both Input data types must be int32"
         ifm_dtype = op.ifm.dtype