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Add INT16 support to permute operation for TOSA backend #15138

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Add INT16 support to permute operation for TOSA backend #15138

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11 changes: 10 additions & 1 deletion backends/arm/operators/op_permute.py
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Original file line number Diff line number Diff line change
Expand Up @@ -111,13 +111,22 @@ def define_node(
output: TosaArg,
) -> None:
import serializer.tosa_serializer as ts
from executorch.backends.arm.tosa.specification import Tosa_1_00

validate_num_inputs(self.target, inputs, 2)
validate_same_dtype(self.target, [inputs[0], output], ts)

# Build list of valid dtypes based on TOSA spec
valid_dtypes = [ts.DType.INT8, ts.DType.INT32, ts.DType.FP32]
if isinstance(
output.tosa_spec, Tosa_1_00
) and output.tosa_spec.support_extension("int16"):
valid_dtypes.append(ts.DType.INT16)

validate_valid_dtype(
self.target,
[inputs[0], output],
[ts.DType.INT8, ts.DType.INT32, ts.DType.FP32],
valid_dtypes,
output.tosa_spec,
)

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