src/hotspot/share/interpreter/oopMapCache.cpp

*** 446,460 ****
    // Deallocate array
    FREE_C_HEAP_ARRAY(OopMapCacheEntry*, _array);
  }
  
  OopMapCacheEntry* OopMapCache::entry_at(int i) const {
!   return (OopMapCacheEntry*)OrderAccess::load_ptr_acquire(&(_array[i % _size]));
  }
  
  bool OopMapCache::put_at(int i, OopMapCacheEntry* entry, OopMapCacheEntry* old) {
!   return Atomic::cmpxchg_ptr (entry, &_array[i % _size], old) == old;
  }
  
  void OopMapCache::flush() {
    for (int i = 0; i < _size; i++) {
      OopMapCacheEntry* entry = _array[i];
--- 446,460 ----
    // Deallocate array
    FREE_C_HEAP_ARRAY(OopMapCacheEntry*, _array);
  }
  
  OopMapCacheEntry* OopMapCache::entry_at(int i) const {
!   return OrderAccess::load_acquire(&(_array[i % _size]));
  }
  
  bool OopMapCache::put_at(int i, OopMapCacheEntry* entry, OopMapCacheEntry* old) {
!   return Atomic::cmpxchg(entry, &_array[i % _size], old) == old;
  }
  
  void OopMapCache::flush() {
    for (int i = 0; i < _size; i++) {
      OopMapCacheEntry* entry = _array[i];
*** 562,572 ****
    bool success = false;
    OopMapCacheEntry* head;
    do {
      head = _old_entries;
      entry->_next = head;
!     success = Atomic::cmpxchg_ptr (entry, &_old_entries, head) == head;
    } while (!success);
  
    if (log_is_enabled(Debug, interpreter, oopmap)) {
      ResourceMark rm;
      log_debug(interpreter, oopmap)("enqueue %s at bci %d for cleanup",
--- 562,572 ----
    bool success = false;
    OopMapCacheEntry* head;
    do {
      head = _old_entries;
      entry->_next = head;
!     success = Atomic::cmpxchg(entry, &_old_entries, head) == head;
    } while (!success);
  
    if (log_is_enabled(Debug, interpreter, oopmap)) {
      ResourceMark rm;
      log_debug(interpreter, oopmap)("enqueue %s at bci %d for cleanup",