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

rev 49289 : 8199735: Mark word updates need to use Access API

*** 1,7 ****
  /*
!  * Copyright (c) 2002, 2015, 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) 2002, 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.
*** 113,123 ****
    oop new_obj = NULL;
  
    // NOTE! We must be very careful with any methods that access the mark
    // in o. There may be multiple threads racing on it, and it may be forwarded
    // at any time. Do not use oop methods for accessing the mark!
!   markOop test_mark = o->mark();
  
    // The same test as "o->is_forwarded()"
    if (!test_mark->is_marked()) {
      bool new_obj_is_tenured = false;
      size_t new_obj_size = o->size();
--- 113,123 ----
    oop new_obj = NULL;
  
    // NOTE! We must be very careful with any methods that access the mark
    // in o. There may be multiple threads racing on it, and it may be forwarded
    // at any time. Do not use oop methods for accessing the mark!
!   markOop test_mark = o->mark_raw();
  
    // The same test as "o->is_forwarded()"
    if (!test_mark->is_marked()) {
      bool new_obj_is_tenured = false;
      size_t new_obj_size = o->size();