src/share/vm/gc_implementation/g1/g1OopClosures.inline.hpp

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   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 








  25 /*
  26  * This really ought to be an inline function, but apparently the C++
  27  * compiler sometimes sees fit to ignore inline declarations.  Sigh.
  28  */
  29 
  30 // This must a ifdef'ed because the counting it controls is in a
  31 // perf-critical inner loop.
  32 #define FILTERINTOCSCLOSURE_DOHISTOGRAMCOUNT 0
  33 
  34 template <class T> inline void FilterIntoCSClosure::do_oop_nv(T* p) {
  35   T heap_oop = oopDesc::load_heap_oop(p);
  36   if (!oopDesc::is_null(heap_oop) &&
  37       _g1->obj_in_cs(oopDesc::decode_heap_oop_not_null(heap_oop))) {
  38     _oc->do_oop(p);
  39 #if FILTERINTOCSCLOSURE_DOHISTOGRAMCOUNT
  40     if (_dcto_cl != NULL)
  41       _dcto_cl->incr_count();
  42 #endif
  43   }
  44 }


 104       _par_scan_state->update_rs(_from, p, _par_scan_state->queue_num());
 105     }
 106   }
 107 }
 108 
 109 template <class T> inline void G1ParPushHeapRSClosure::do_oop_nv(T* p) {
 110   T heap_oop = oopDesc::load_heap_oop(p);
 111 
 112   if (!oopDesc::is_null(heap_oop)) {
 113     oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
 114     if (_g1->in_cset_fast_test(obj)) {
 115       Prefetch::write(obj->mark_addr(), 0);
 116       Prefetch::read(obj->mark_addr(), (HeapWordSize*2));
 117 
 118       // Place on the references queue
 119       _par_scan_state->push_on_queue(p);
 120     }
 121   }
 122 }
 123 




   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1OOPCLOSURES_INLINE_HPP
  26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1OOPCLOSURES_INLINE_HPP
  27 
  28 #include "gc_implementation/g1/concurrentMark.hpp"
  29 #include "gc_implementation/g1/g1CollectedHeap.hpp"
  30 #include "gc_implementation/g1/g1OopClosures.hpp"
  31 #include "gc_implementation/g1/g1RemSet.hpp"
  32 
  33 /*
  34  * This really ought to be an inline function, but apparently the C++
  35  * compiler sometimes sees fit to ignore inline declarations.  Sigh.
  36  */
  37 
  38 // This must a ifdef'ed because the counting it controls is in a
  39 // perf-critical inner loop.
  40 #define FILTERINTOCSCLOSURE_DOHISTOGRAMCOUNT 0
  41 
  42 template <class T> inline void FilterIntoCSClosure::do_oop_nv(T* p) {
  43   T heap_oop = oopDesc::load_heap_oop(p);
  44   if (!oopDesc::is_null(heap_oop) &&
  45       _g1->obj_in_cs(oopDesc::decode_heap_oop_not_null(heap_oop))) {
  46     _oc->do_oop(p);
  47 #if FILTERINTOCSCLOSURE_DOHISTOGRAMCOUNT
  48     if (_dcto_cl != NULL)
  49       _dcto_cl->incr_count();
  50 #endif
  51   }
  52 }


 112       _par_scan_state->update_rs(_from, p, _par_scan_state->queue_num());
 113     }
 114   }
 115 }
 116 
 117 template <class T> inline void G1ParPushHeapRSClosure::do_oop_nv(T* p) {
 118   T heap_oop = oopDesc::load_heap_oop(p);
 119 
 120   if (!oopDesc::is_null(heap_oop)) {
 121     oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
 122     if (_g1->in_cset_fast_test(obj)) {
 123       Prefetch::write(obj->mark_addr(), 0);
 124       Prefetch::read(obj->mark_addr(), (HeapWordSize*2));
 125 
 126       // Place on the references queue
 127       _par_scan_state->push_on_queue(p);
 128     }
 129   }
 130 }
 131 
 132 
 133 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1OOPCLOSURES_INLINE_HPP