src/hotspot/share/asm/codeBuffer.hpp

rev 48751 : 8196064: AArch64: Merging ld/st into ldp/stp in macro-assembler
Reviewed-by: duke

*** 378,388 ****
    OopRecorder* _oop_recorder;
    CodeStrings  _code_strings;
    OopRecorder  _default_oop_recorder;  // override with initialize_oop_recorder
    Arena*       _overflow_arena;
  
!   address      _last_membar;     // used to merge consecutive memory barriers
  
    address      _decode_begin;   // start address for decode
    address      decode_begin();
  
    void initialize_misc(const char * name) {
--- 378,388 ----
    OopRecorder* _oop_recorder;
    CodeStrings  _code_strings;
    OopRecorder  _default_oop_recorder;  // override with initialize_oop_recorder
    Arena*       _overflow_arena;
  
!   address      _last_insn;      // used to merge consecutive memory barriers, loads or stores.
  
    address      _decode_begin;   // start address for decode
    address      decode_begin();
  
    void initialize_misc(const char * name) {
*** 393,403 ****
      _blob            = NULL;
      _oop_recorder    = NULL;
      _decode_begin    = NULL;
      _overflow_arena  = NULL;
      _code_strings    = CodeStrings();
!     _last_membar     = NULL;
    }
  
    void initialize(address code_start, csize_t code_size) {
      _consts.initialize_outer(this,  SECT_CONSTS);
      _insts.initialize_outer(this,   SECT_INSTS);
--- 393,403 ----
      _blob            = NULL;
      _oop_recorder    = NULL;
      _decode_begin    = NULL;
      _overflow_arena  = NULL;
      _code_strings    = CodeStrings();
!     _last_insn       = NULL;
    }
  
    void initialize(address code_start, csize_t code_size) {
      _consts.initialize_outer(this,  SECT_CONSTS);
      _insts.initialize_outer(this,   SECT_INSTS);
*** 585,597 ****
    void initialize_oop_recorder(OopRecorder* r);
  
    OopRecorder* oop_recorder() const   { return _oop_recorder; }
    CodeStrings& strings()              { return _code_strings; }
  
!   address last_membar() const { return _last_membar; }
!   void set_last_membar(address a) { _last_membar = a; }
!   void clear_last_membar() { set_last_membar(NULL); }
  
    void free_strings() {
      if (!_code_strings.is_null()) {
        _code_strings.free(); // sets _strings Null as a side-effect.
      }
--- 585,597 ----
    void initialize_oop_recorder(OopRecorder* r);
  
    OopRecorder* oop_recorder() const   { return _oop_recorder; }
    CodeStrings& strings()              { return _code_strings; }
  
!   address last_insn() const { return _last_insn; }
!   void set_last_insn(address a) { _last_insn = a; }
!   void clear_last_insn() { set_last_insn(NULL); }
  
    void free_strings() {
      if (!_code_strings.is_null()) {
        _code_strings.free(); // sets _strings Null as a side-effect.
      }