[Interpreter] Add an unsigned immediate operand type

src/interpreter/interpreter-assembler.cc

Index: src/interpreter/interpreter-assembler.cc
diff --git a/src/interpreter/interpreter-assembler.cc b/src/interpreter/interpreter-assembler.cc
index 89164af28d803cabac64ee5ec839b31f832807f2..9723e7dc02becc9f71a61ddf1b75d4d92fee157d 100644
--- a/src/interpreter/interpreter-assembler.cc
+++ b/src/interpreter/interpreter-assembler.cc
@@ -371,6 +371,14 @@ Node* InterpreterAssembler::BytecodeOperandFlag(int operand_index) {
   return BytecodeUnsignedOperand(operand_index, operand_size);
 }
 
+Node* InterpreterAssembler::BytecodeOperandUImm(int operand_index) {
+  DCHECK_EQ(OperandType::kUImm,
+            Bytecodes::GetOperandType(bytecode_, operand_index));
+  OperandSize operand_size =
+      Bytecodes::GetOperandSize(bytecode_, operand_index, operand_scale());
+  return BytecodeUnsignedOperand(operand_index, operand_size);
+}
+
 Node* InterpreterAssembler::BytecodeOperandImm(int operand_index) {
   DCHECK_EQ(OperandType::kImm,
             Bytecodes::GetOperandType(bytecode_, operand_index));