src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp
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rev 6323 : 8027553: Change the in_cset_fast_test functionality to use the G1BiasedArray abstraction
Summary: Instead of using a manually managed array for the in_cset_fast_test array, use a G1BiasedArray instance.
Reviewed-by: brutisso, mgerdin
@@ -176,16 +176,11 @@
// 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, p2i((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];
+ 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;