419 	unsigned int rightmask;  in tree_walk()  local
434 		leftmask = rightmask = 0;  in tree_walk()
462 				if ((rightmask & bitmask) == 0) {  in tree_walk()
463 					rightmask |= bitmask;  in tree_walk()
477 				rightmask &= ~bitmask;  in tree_walk()
661 	unsigned int rightmask;  in prune()  local
674 	leftmask = rightmask = 0;  in prune()
746 			rightmask &= ~bitmask;  in prune()
766 		rightmask &= ~bitmask;  in prune()
785 			rightmask &= ~bitmask;  in prune()
794 		} else if ((rightmask & bitmask) == 0 &&  in prune()
797 			rightmask |= bitmask;  in prune()
801 			rightmask &= ~bitmask;  in prune()
818 	unsigned int rightmask;  in mark_nodes()  local
830 	leftmask = rightmask = 0;  in mark_nodes()
851 		if ((rightmask & bitmask) == 0) {  in mark_nodes()
852 			rightmask |= bitmask;  in mark_nodes()
870 		rightmask &= ~bitmask;  in mark_nodes()
878 	leftmask = rightmask = 0;  in mark_nodes()
903 		if ((rightmask & bitmask) == 0) {  in mark_nodes()
904 			rightmask |= bitmask;  in mark_nodes()
927 		rightmask &= ~bitmask;  in mark_nodes()
944 	unsigned int rightmask;  in index_nodes()  local
965 	leftmask = rightmask = 0;  in index_nodes()
991 			if (node->mark && (rightmask & bitmask) == 0) {  in index_nodes()
992 				rightmask |= bitmask;  in index_nodes()
1006 			rightmask &= ~bitmask;  in index_nodes()
1053 	unsigned int rightmask;  in size_nodes()  local
1076 	leftmask = rightmask = 0;  in size_nodes()
1154 			if (node->mark && (rightmask & bitmask) == 0) {  in size_nodes()
1155 				rightmask |= bitmask;  in size_nodes()
1167 			rightmask &= ~bitmask;  in size_nodes()
1187 	unsigned int rightmask;  in emit()  local
1218 	leftmask = rightmask = 0;  in emit()
1286 			if (node->mark && (rightmask & bitmask) == 0) {  in emit()
1287 				rightmask |= bitmask;  in emit()
1304 			rightmask &= ~bitmask;  in emit()