src/hotspot/share/oops/oop.hpp

rev 52211 : imported patch 8212753-improve-forward-to-atomic

*** 271,281 ****
  
    // Like "forward_to", but inserts the forwarding pointer atomically.
    // Exactly one thread succeeds in inserting the forwarding pointer, and
    // this call returns "NULL" for that thread; any other thread has the
    // value of the forwarding pointer returned and does not modify "this".
!   inline oop forward_to_atomic(oop p, atomic_memory_order order = memory_order_conservative);
  
    inline oop forwardee() const;
    inline oop forwardee_acquire() const;
  
    // Age of object during scavenge
--- 271,281 ----
  
    // Like "forward_to", but inserts the forwarding pointer atomically.
    // Exactly one thread succeeds in inserting the forwarding pointer, and
    // this call returns "NULL" for that thread; any other thread has the
    // value of the forwarding pointer returned and does not modify "this".
!   inline oop forward_to_atomic(oop p, markOop compare, atomic_memory_order order = memory_order_conservative);
  
    inline oop forwardee() const;
    inline oop forwardee_acquire() const;
  
    // Age of object during scavenge