src/hotspot/share/gc/parallel/parallelScavengeHeap.hpp

RFE_8195103_reduce_initial_card_marks

*** 1,7 ****
  /*
!  * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2001, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
***************
*** 203,227 ****
  
    size_t tlab_capacity(Thread* thr) const;
    size_t tlab_used(Thread* thr) const;
    size_t unsafe_max_tlab_alloc(Thread* thr) const;
  
-   // Can a compiler initialize a new object without store barriers?
-   // This permission only extends from the creation of a new object
-   // via a TLAB up to the first subsequent safepoint.
-   virtual bool can_elide_tlab_store_barriers() const {
-     return true;
-   }
- 
-   virtual bool card_mark_must_follow_store() const {
-     return false;
-   }
- 
-   // Return true if we don't we need a store barrier for
-   // initializing stores to an object at this address.
-   virtual bool can_elide_initializing_store_barrier(oop new_obj);
- 
    void object_iterate(ObjectClosure* cl);
    void safe_object_iterate(ObjectClosure* cl) { object_iterate(cl); }
  
    HeapWord* block_start(const void* addr) const;
    size_t block_size(const HeapWord* addr) const;
--- 203,212 ----