src/share/vm/gc_implementation/g1/g1BlockOffsetTable.cpp

rev 6589 : 8047818: G1 HeapRegions can no longer be ContiguousSpaces
Reviewed-by:

*** 97,106 ****
--- 97,121 ----
    assert(p >= _reserved.start(), "just checking");
    size_t delta = pointer_delta(p, _reserved.start());
    return (delta & right_n_bits(LogN_words)) == (size_t)NoBits;
  }
  
+ void G1BlockOffsetSharedArray::set_offset_array(HeapWord* left, HeapWord* right, u_char offset) {
+   check_index(index_for(right - 1), "right address out of range");
+   assert(left  < right, "Heap addresses out of order");
+   size_t num_cards = pointer_delta(right, left) >> LogN_words;
+   if (UseMemSetInBOT) {
+     memset(&_offset_array[index_for(left)], offset, num_cards);
+   } else {
+     size_t i = index_for(left);
+     const size_t end = i + num_cards;
+     for (; i < end; i++) {
+       _offset_array[i] = offset;
+     }
+   }
+ }
+ 
  
  //////////////////////////////////////////////////////////////////////
  // G1BlockOffsetArray
  //////////////////////////////////////////////////////////////////////