Refactor loading a pointer and loading an integer64 into a register instructions for X64

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 701 matching lines @@
   void movq(Register dst, const Operand& src);
   void movq(Register dst, Register src);
   // Sign extends immediate 32-bit value to 64 bits.
   void movq(Register dst, Immediate x);
   // Move the offset of the label location relative to the current
   // position (after the move) to the destination.
   void movl(const Operand& dst, Label* src);
 
   // Move sign extended immediate to memory location.
   void movq(const Operand& dst, Immediate value);
-  // Instructions to load a 64-bit immediate into a register.
-  // All 64-bit immediates must have a relocation mode.
+  // Loads a pointer into a register with a relocation mode.
   void movq(Register dst, void* ptr, RelocInfo::Mode rmode);
-  void movq(Register dst, int64_t value, RelocInfo::Mode rmode);
+  // Loads a 64-bit immediate into a register.
+  void movq(Register dst, int64_t value);
   // Moves the address of the external reference into the register.
   void movq(Register dst, ExternalReference ext);
   void movq(Register dst, Handle<Object> handle, RelocInfo::Mode rmode);
 
   void movsxbq(Register dst, const Operand& src);
   void movsxwq(Register dst, const Operand& src);
   void movsxlq(Register dst, Register src);
   void movsxlq(Register dst, const Operand& src);
   void movzxbq(Register dst, const Operand& src);
   void movzxbl(Register dst, const Operand& src);
@@ skipping 962 matching lines @@
  private:
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_ASSEMBLER_X64_H_