Make stub cache hash work on X64 platform. Stub cache now works....

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 503 matching lines @@
   // Conditional moves.
   void cmovq(Condition cc, Register dst, Register src);
   void cmovq(Condition cc, Register dst, const Operand& src);
   void cmovl(Condition cc, Register dst, Register src);
   void cmovl(Condition cc, Register dst, const Operand& src);
 
   // Exchange two registers
   void xchg(Register dst, Register src);
 
   // Arithmetics
-  void addq(Register dst, Register src) {
-    arithmetic_op(0x03, dst, src);
-  }
-
   void addl(Register dst, Register src) {
     arithmetic_op_32(0x03, dst, src);
   }
 
   void addl(Register dst, Immediate src) {
     immediate_arithmetic_op_32(0x0, dst, src);
   }
 
+  void addl(Register dst, const Operand& src) {
+    arithmetic_op_32(0x03, dst, src);
+  }
+
   void addl(const Operand& dst, Immediate src) {
     immediate_arithmetic_op_32(0x0, dst, src);
   }
 
+  void addq(Register dst, Register src) {
+    arithmetic_op(0x03, dst, src);
+  }
+
   void addq(Register dst, const Operand& src) {
     arithmetic_op(0x03, dst, src);
   }
 
-
   void addq(const Operand& dst, Register src) {
     arithmetic_op(0x01, src, dst);
   }
 
   void addq(Register dst, Immediate src) {
     immediate_arithmetic_op(0x0, dst, src);
   }
 
   void addq(const Operand& dst, Immediate src) {
     immediate_arithmetic_op(0x0, dst, src);
   }
 
   void cmpb(Register dst, Immediate src) {
     immediate_arithmetic_op_8(0x7, dst, src);
   }
 
   void cmpb(const Operand& dst, Immediate src) {
     immediate_arithmetic_op_8(0x7, dst, src);
   }
 
   void cmpl(Register dst, Register src) {
     arithmetic_op_32(0x3B, dst, src);
   }
 
   void cmpl(Register dst, const Operand& src) {
-    arithmetic_op_32(0x3B, src, dst);
+    arithmetic_op_32(0x3B, dst, src);
   }
 
   void cmpl(const Operand& dst, Register src) {
-    arithmetic_op_32(0x39, dst, src);
+    arithmetic_op_32(0x39, src, dst);
   }
 
   void cmpl(Register dst, Immediate src) {
     immediate_arithmetic_op_32(0x7, dst, src);
   }
 
   void cmpl(const Operand& dst, Immediate src) {
     immediate_arithmetic_op_32(0x7, dst, src);
   }
 
@@ skipping 526 matching lines @@
 
   // Emit the code-object-relative offset of the label's position
   inline void emit_code_relative_offset(Label* label);
 
   // Emit machine code for one of the operations ADD, ADC, SUB, SBC,
   // AND, OR, XOR, or CMP.  The encodings of these operations are all
   // similar, differing just in the opcode or in the reg field of the
   // ModR/M byte.
   void arithmetic_op(byte opcode, Register dst, Register src);
   void arithmetic_op_32(byte opcode, Register dst, Register src);
-  void arithmetic_op_32(byte opcode, const Operand& dst, Register src);
-  void arithmetic_op(byte opcode, Register reg, const Operand& op);
+  void arithmetic_op_32(byte opcode, Register reg, const Operand& rm_reg);
+  void arithmetic_op(byte opcode, Register reg, const Operand& rm_reg);
   void immediate_arithmetic_op(byte subcode, Register dst, Immediate src);
   void immediate_arithmetic_op(byte subcode, const Operand& dst, Immediate src);
   // Operate on a 32-bit word in memory or register.
   void immediate_arithmetic_op_32(byte subcode,
                                   const Operand& dst,
                                   Immediate src);
   void immediate_arithmetic_op_32(byte subcode,
                                   Register dst,
                                   Immediate src);
   // Operate on a byte in memory or register.
@@ skipping 70 matching lines @@
  private:
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_ASSEMBLER_X64_H_