src/share/vm/gc/parallel/psPromotionManager.inline.hpp

rev 10933 : 8154736: enhancement of cmpxchg and copy_to_survivor for ppc64
Reviewed-by:
Contributed-by: HORII@jp.ibm.com, mdoerr

*** 209,219 ****
  
      // Copy obj
      Copy::aligned_disjoint_words((HeapWord*)o, (HeapWord*)new_obj, new_obj_size);
  
      // Now we have to CAS in the header.
!     if (o->cas_forward_to(new_obj, test_mark)) {
        // We won any races, we "own" this object.
        assert(new_obj == o->forwardee(), "Sanity");
  
        // Increment age if obj still in new generation. Now that
        // we're dealing with a markOop that cannot change, it is
--- 209,219 ----
  
      // Copy obj
      Copy::aligned_disjoint_words((HeapWord*)o, (HeapWord*)new_obj, new_obj_size);
  
      // Now we have to CAS in the header.
!     if (o->cas_forward_to(new_obj, test_mark, memory_order_relaxed)) {
        // We won any races, we "own" this object.
        assert(new_obj == o->forwardee(), "Sanity");
  
        // Increment age if obj still in new generation. Now that
        // we're dealing with a markOop that cannot change, it is