[Interpreter] Add an unsigned immediate operand type

src/interpreter/interpreter-assembler.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/interpreter/interpreter-assembler.h"
 
 #include <limits>
 #include <ostream>
 
 #include "src/code-factory.h"
@@ skipping 353 matching lines @@
 
 Node* InterpreterAssembler::BytecodeOperandFlag(int operand_index) {
   DCHECK_EQ(OperandType::kFlag8,
             Bytecodes::GetOperandType(bytecode_, operand_index));
   OperandSize operand_size =
       Bytecodes::GetOperandSize(bytecode_, operand_index, operand_scale());
   DCHECK_EQ(operand_size, OperandSize::kByte);
   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));
   OperandSize operand_size =
       Bytecodes::GetOperandSize(bytecode_, operand_index, operand_scale());
   return BytecodeSignedOperand(operand_index, operand_size);
 }
 
 Node* InterpreterAssembler::BytecodeOperandIdx(int operand_index) {
   DCHECK(OperandType::kIdx ==
@@ skipping 970 matching lines @@
     Goto(&loop);
   }
   Bind(&done_loop);
 
   return array;
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8