Use StackArgumentsAccessor to access receiver on stack, use kPCOnStackSize to

src/x64/assembler-x64.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 377 matching lines @@
 
 // -----------------------------------------------------------------------------
 // Machine instruction Operands
 
 enum ScaleFactor {
   times_1 = 0,
   times_2 = 1,
   times_4 = 2,
   times_8 = 3,
   times_int_size = times_4,
-  times_pointer_size = times_8
+  times_pointer_size = (kPointerSize == 8) ? times_8 : times_4
 };
 
 
 class Operand BASE_EMBEDDED {
  public:
   // [base + disp/r]
   Operand(Register base, int32_t disp);
 
   // [base + index*scale + disp/r]
   Operand(Register base,
@@ skipping 605 matching lines @@
   }
 
   void or_(const Operand& dst, Immediate src) {
     immediate_arithmetic_op(0x1, dst, src);
   }
 
   void orl(const Operand& dst, Immediate src) {
     immediate_arithmetic_op_32(0x1, dst, src);
   }
 
-
   void rcl(Register dst, Immediate imm8) {
     shift(dst, imm8, 0x2);
   }
 
   void rol(Register dst, Immediate imm8) {
     shift(dst, imm8, 0x0);
   }
 
   void roll(Register dst, Immediate imm8) {
     shift_32(dst, imm8, 0x0);
@@ skipping 718 matching lines @@
  private:
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_ASSEMBLER_X64_H_