Fast-codegen: Arguments object working on all platforms.

src/fast-codegen.h

Index: src/fast-codegen.h
diff --git a/src/fast-codegen.h b/src/fast-codegen.h
index ee2e1d345ecfc913b9fd1b121b4c897042e5e9db..9b262a739315da71876300610abd25d21ef86130 100644
--- a/src/fast-codegen.h
+++ b/src/fast-codegen.h
@@ -56,14 +56,21 @@ class FastCodeGenerator: public AstVisitor {
 
  private:
   int SlotOffset(Slot* slot);
-
   void Move(Expression::Context destination, Register source);
-  void Move(Expression::Context destination, Slot* source);
+  void Move(Expression::Context destination, Slot* source, Register scratch);
   void Move(Expression::Context destination, Literal* source);
+  void Move(Slot* dst, Register source, Register scratch1, Register scratch2);
+  void Move(Register dst, Slot* source);
+
+  // Templated to allow for Operand on intel and MemOperand on ARM.
+  template <typename MemoryLocation>
+  MemoryLocation CreateSlotOperand(Slot* slot, Register scratch);
 
   // Drop the TOS, and store source to destination.
   // If destination is TOS, just overwrite TOS with source.
-  void DropAndMove(Expression::Context destination, Register source);
+  void DropAndMove(Expression::Context destination,
+                   Register source,
+                   int drop_count = 1);
 
   // Test the JavaScript value in source as if in a test context, compile
   // control flow to a pair of labels.