src/share/vm/gc/g1/g1BlockOffsetTable.inline.hpp

rev 12235 : [mq]: block_start_acquire

*** 134,144 ****
                                                                                  const void* addr) const {
    if (addr >= _space->top()) return _space->top();
    while (n <= addr) {
      q = n;
      oop obj = oop(q);
!     if (obj->klass_or_null() == NULL) {
        return q;
      }
      n += block_size(q);
    }
    assert(q <= n, "wrong order for q and addr");
--- 134,144 ----
                                                                                  const void* addr) const {
    if (addr >= _space->top()) return _space->top();
    while (n <= addr) {
      q = n;
      oop obj = oop(q);
!     if (obj->klass_or_null_acquire() == NULL) {
        return q;
      }
      n += block_size(q);
    }
    assert(q <= n, "wrong order for q and addr");
*** 146,156 ****
    return q;
  }
  
  inline HeapWord* G1BlockOffsetTablePart::forward_to_block_containing_addr(HeapWord* q,
                                                                            const void* addr) {
!   if (oop(q)->klass_or_null() == NULL) {
      return q;
    }
    HeapWord* n = q + block_size(q);
    // In the normal case, where the query "addr" is a card boundary, and the
    // offset table chunks are the same size as cards, the block starting at
--- 146,156 ----
    return q;
  }
  
  inline HeapWord* G1BlockOffsetTablePart::forward_to_block_containing_addr(HeapWord* q,
                                                                            const void* addr) {
!   if (oop(q)->klass_or_null_acquire() == NULL) {
      return q;
    }
    HeapWord* n = q + block_size(q);
    // In the normal case, where the query "addr" is a card boundary, and the
    // offset table chunks are the same size as cards, the block starting at