[Interpreter] Add implementations of arithmetic binary op bytecodes.

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_ASSEMBLER_H_
 #define V8_COMPILER_INTERPRETER_ASSEMBLER_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"
 #include "src/base/smart-pointers.h"
+#include "src/builtins.h"
 #include "src/frames.h"
 #include "src/interpreter/bytecodes.h"
 #include "src/unique.h"
 
 namespace v8 {
 namespace internal {
 
 class Isolate;
 class Zone;
 
@@ skipping 32 matching lines @@
   // Constants.
   Node* Int32Constant(int value);
   Node* IntPtrConstant(intptr_t value);
   Node* NumberConstant(double value);
   Node* HeapConstant(Unique<HeapObject> object);
 
   // Tag and untag Smi values.
   Node* SmiTag(Node* value);
   Node* SmiUntag(Node* value);
 
+  // Load a field from an object on the heap.
+  Node* LoadObjectField(Node* object, int offset);
+
   // Load |slot_index| from the current context.
   Node* LoadContextSlot(int slot_index);
 
+  // Call JS builtin.
+  Node* CallJSBuiltin(Builtins::JavaScript builtin, Node* receiver);
+  Node* CallJSBuiltin(Builtins::JavaScript builtin, Node* receiver, Node* arg1);
+
   // Returns from the function.
   void Return();
 
   // Dispatch to the bytecode.
   void Dispatch();
 
  protected:
   // Close the graph.
   void End();
 
@@ skipping 13 matching lines @@
   // Returns a tagged pointer to the current context.
   Node* ContextTaggedPointer();
 
   // Returns the offset of register |index| relative to RegisterFilePointer().
   Node* RegisterFrameOffset(Node* index);
 
   Node* SmiShiftBitsConstant();
   Node* BytecodeOperand(int operand_index);
   Node* BytecodeOperandSignExtended(int operand_index);
 
+  Node* CallJSBuiltin(Builtins::JavaScript builtin, Node* receiver,
+                      Node** js_args, int js_arg_count);
+
   // Returns BytecodeOffset() advanced by delta bytecodes. Note: this does not
   // update BytecodeOffset() itself.
   Node* Advance(int delta);
 
   // Sets the end node of the graph.
   void SetEndInput(Node* input);
 
   // Private helpers which delegate to RawMachineAssembler.
   Isolate* isolate();
   Schedule* schedule();
+  Zone* zone();
 
   interpreter::Bytecode bytecode_;
   base::SmartPointer<RawMachineAssembler> raw_assembler_;
   Node* end_node_;
   Node* accumulator_;
   bool code_generated_;
 
   DISALLOW_COPY_AND_ASSIGN(InterpreterAssembler);
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_INTERPRETER_ASSEMBLER_H_