[Interpreter] Add more bytecode definitions and add operand types.

src/compiler/interpreter-assembler.h

 // 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.
 
 #ifndef V8_COMPILER_INTERPRETER_CODEGEN_H_
 #define V8_COMPILER_INTERPRETER_CODEGEN_H_
 
 // Clients of this interface shouldn't depend on lots of compiler internals.
 // Do not include anything from src/compiler here!
 #include "src/allocation.h"
@@ skipping 25 matching lines @@
                        interpreter::Bytecode bytecode);
   virtual ~InterpreterAssembler();
 
   Handle<Code> GenerateCode();
 
   // Constants.
   Node* Int32Constant(int value);
   Node* NumberConstant(double value);
   Node* HeapConstant(Unique<HeapObject> object);
 
-  // Returns the bytecode argument |index| for the current bytecode.
-  Node* BytecodeArg(int index);
+  // Returns the bytecode operand |index| for the current bytecode.
+  Node* BytecodeOperand(int index);
 
   // Loads from and stores to the interpreter register file.
   Node* LoadRegister(int index);
   Node* LoadRegister(Node* index);
   Node* StoreRegister(Node* value, int index);
   Node* StoreRegister(Node* value, Node* index);
 
   // Returns from the function.
   void Return();
 
@@ skipping 47 matching lines @@
   bool code_generated_;
 
   DISALLOW_COPY_AND_ASSIGN(InterpreterAssembler);
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_INTERPRETER_CODEGEN_H_