src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp

rev 6248 : imported patch fast-cset-uses-biasedarray

*** 162,177 ****
  
  // This is a fast test on whether a reference points into the
  // collection set or not. Assume that the reference
  // points into the heap.
  inline bool G1CollectedHeap::in_cset_fast_test(oop obj) {
!   assert(_in_cset_fast_test != NULL, "sanity");
!   assert(_g1_committed.contains((HeapWord*) obj), err_msg("Given reference outside of heap, is "PTR_FORMAT, (HeapWord*)obj));
!   // no need to subtract the bottom of the heap from obj,
!   // _in_cset_fast_test is biased
!   uintx index = cast_from_oop<uintx>(obj) >> HeapRegion::LogOfHRGrainBytes;
!   bool ret = _in_cset_fast_test[index];
    // let's make sure the result is consistent with what the slower
    // test returns
    assert( ret || !obj_in_cs(obj), "sanity");
    assert(!ret ||  obj_in_cs(obj), "sanity");
    return ret;
--- 162,172 ----
  
  // This is a fast test on whether a reference points into the
  // collection set or not. Assume that the reference
  // points into the heap.
  inline bool G1CollectedHeap::in_cset_fast_test(oop obj) {
!   bool ret = _in_cset_fast_test.get_by_address((HeapWord*)obj);
    // let's make sure the result is consistent with what the slower
    // test returns
    assert( ret || !obj_in_cs(obj), "sanity");
    assert(!ret ||  obj_in_cs(obj), "sanity");
    return ret;