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comparison src/share/vm/gc_implementation/g1/satbQueue.cpp @ 845:df6caf649ff7

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6700789: G1: Enable use of compressed oops with G1 heaps Summary: Modifications to G1 so as to allow the use of compressed oops. Reviewed-by: apetrusenko, coleenp, jmasa, kvn, never, phh, tonyp
author ysr
date Tue, 14 Jul 2009 15:40:39 -0700
parents 37f87013dfd8
children 44f61c24ddab
comparison
equal deleted inserted replaced
839:bb18957ad21e 845:df6caf649ff7
41 if (obj != NULL) { 41 if (obj != NULL) {
42 cl->do_object(obj); 42 cl->do_object(obj);
43 } 43 }
44 } 44 }
45 } 45 }
46
47 #ifdef ASSERT
48 void ObjPtrQueue::verify_oops_in_buffer() {
49 if (_buf == NULL) return;
50 for (size_t i = _index; i < _sz; i += oopSize) {
51 oop obj = (oop)_buf[byte_index_to_index((int)i)];
52 assert(obj != NULL && obj->is_oop(true /* ignore mark word */),
53 "Not an oop");
54 }
55 }
56 #endif
57
46 #ifdef _MSC_VER // the use of 'this' below gets a warning, make it go away 58 #ifdef _MSC_VER // the use of 'this' below gets a warning, make it go away
47 #pragma warning( disable:4355 ) // 'this' : used in base member initializer list 59 #pragma warning( disable:4355 ) // 'this' : used in base member initializer list
48 #endif // _MSC_VER 60 #endif // _MSC_VER
49 61
50 62
64 } 76 }
65 } 77 }
66 78
67 79
68 void SATBMarkQueueSet::handle_zero_index_for_thread(JavaThread* t) { 80 void SATBMarkQueueSet::handle_zero_index_for_thread(JavaThread* t) {
81 DEBUG_ONLY(t->satb_mark_queue().verify_oops_in_buffer();)
69 t->satb_mark_queue().handle_zero_index(); 82 t->satb_mark_queue().handle_zero_index();
70 } 83 }
71 84
72 void SATBMarkQueueSet::set_active_all_threads(bool b) { 85 void SATBMarkQueueSet::set_active_all_threads(bool b) {
73 _all_active = b; 86 _all_active = b;
141 nd->next = buffers_to_delete; 154 nd->next = buffers_to_delete;
142 buffers_to_delete = nd; 155 buffers_to_delete = nd;
143 } 156 }
144 _completed_buffers_tail = NULL; 157 _completed_buffers_tail = NULL;
145 _n_completed_buffers = 0; 158 _n_completed_buffers = 0;
146 debug_only(assert_completed_buffer_list_len_correct_locked()); 159 DEBUG_ONLY(assert_completed_buffer_list_len_correct_locked());
147 } 160 }
148 while (buffers_to_delete != NULL) { 161 while (buffers_to_delete != NULL) {
149 CompletedBufferNode* nd = buffers_to_delete; 162 CompletedBufferNode* nd = buffers_to_delete;
150 buffers_to_delete = nd->next; 163 buffers_to_delete = nd->next;
151 deallocate_buffer(nd->buf); 164 deallocate_buffer(nd->buf);