Introduce Push and Pop macro 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 675 matching lines @@
   // of m, where m must be a power of 2.
   void Align(int m);
   void Nop(int bytes = 1);
   // Aligns code to something that's optimal for a jump target for the platform.
   void CodeTargetAlign();
 
   // Stack
   void pushfq();
   void popfq();
 
-  void push(Immediate value);
+  void pushq(Immediate value);
   // Push a 32 bit integer, and guarantee that it is actually pushed as a
   // 32 bit value, the normal push will optimize the 8 bit case.
-  void push_imm32(int32_t imm32);
-  void push(Register src);
-  void push(const Operand& src);
+  void pushq_imm32(int32_t imm32);
+  void pushq(Register src);
+  void pushq(const Operand& src);
 
-  void pop(Register dst);
-  void pop(const Operand& dst);
+  void popq(Register dst);
+  void popq(const Operand& dst);
 
   void enter(Immediate size);
   void leave();
 
   // Moves
   void movb(Register dst, const Operand& src);
   void movb(Register dst, Immediate imm);
   void movb(const Operand& dst, Register src);
   void movb(const Operand& dst, Immediate imm);
 
@@ skipping 1034 matching lines @@
  private:
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_ASSEMBLER_X64_H_