749       (int) _coarse_map->get_next_one_offset(_coarse_cur_region_index + 1);

   749       (int) _coarse_map->get_next_one_offset(_coarse_cur_region_index + 1);

   750     if ((size_t)_coarse_cur_region_index < _coarse_map->size()) {

   750     if ((size_t)_coarse_cur_region_index < _coarse_map->size()) {

   751       _coarse_cur_region_cur_card = 0;

   751       _coarse_cur_region_cur_card = 0;

   752       HeapWord* r_bot =

   752       HeapWord* r_bot =

   753         _g1h->region_at((uint) _coarse_cur_region_index)->bottom();

   753         _g1h->region_at((uint) _coarse_cur_region_index)->bottom();

   755     } else {

   755     } else {

   756       return false;

   756       return false;

   757     }

   757     }

   758   }

   758   }

   759   // If we didn't return false above, then we can yield a card.

   759   // If we didn't return false above, then we can yield a card.

   790 void HeapRegionRemSetIterator::switch_to_prt(PerRegionTable* prt) {

   790 void HeapRegionRemSetIterator::switch_to_prt(PerRegionTable* prt) {

   791   assert(prt != NULL, "Cannot switch to NULL prt");

   791   assert(prt != NULL, "Cannot switch to NULL prt");

   792   _fine_cur_prt = prt;

   792   _fine_cur_prt = prt;

   793 

   793 

   794   HeapWord* r_bot = _fine_cur_prt->hr()->bottom();

   794   HeapWord* r_bot = _fine_cur_prt->hr()->bottom();

   796 

   796 

   797   // The bitmap scan for the PRT always scans from _cur_region_cur_card + 1.

   797   // The bitmap scan for the PRT always scans from _cur_region_cur_card + 1.

   798   // To avoid special-casing this start case, and not miss the first bitmap

   798   // To avoid special-casing this start case, and not miss the first bitmap

   799   // entry, initialize _cur_region_cur_card with -1 instead of 0.

   799   // entry, initialize _cur_region_cur_card with -1 instead of 0.

   800   _cur_card_in_prt = (size_t)-1;

   800   _cur_card_in_prt = (size_t)-1;