103   bitmap_element *element;  in bitmap_element_allocate()  local
108       element = bit_obstack->elements;  in bitmap_element_allocate()
110       if (element)  in bitmap_element_allocate()
113 	if (element->next)  in bitmap_element_allocate()
115 	    bit_obstack->elements = element->next;  in bitmap_element_allocate()
116 	    bit_obstack->elements->prev = element->prev;  in bitmap_element_allocate()
120 	  bit_obstack->elements = element->prev;  in bitmap_element_allocate()
122 	element = XOBNEW (&bit_obstack->obstack, bitmap_element);  in bitmap_element_allocate()
126       element = bitmap_ggc_free;  in bitmap_element_allocate()
127       if (element)  in bitmap_element_allocate()
130 	if (element->next)  in bitmap_element_allocate()
132 	    bitmap_ggc_free = element->next;  in bitmap_element_allocate()
133 	    bitmap_ggc_free->prev = element->prev;  in bitmap_element_allocate()
137 	  bitmap_ggc_free = element->prev;  in bitmap_element_allocate()
139 	element = GGC_NEW (bitmap_element);  in bitmap_element_allocate()
142   memset (element->bits, 0, sizeof (element->bits));  in bitmap_element_allocate()
144   return element;  in bitmap_element_allocate()
281 bitmap_element_zerop (bitmap_element *element)  in bitmap_element_zerop()  argument
284   return (element->bits[0] | element->bits[1]) == 0;  in bitmap_element_zerop()
289     if (element->bits[i] != 0)  in bitmap_element_zerop()
299 bitmap_element_link (bitmap head, bitmap_element *element)  in bitmap_element_link()  argument
301   unsigned int indx = element->indx;  in bitmap_element_link()
307       element->next = element->prev = 0;  in bitmap_element_link()
308       head->first = element;  in bitmap_element_link()
321 	ptr->prev->next = element;  in bitmap_element_link()
323 	head->first = element;  in bitmap_element_link()
325       element->prev = ptr->prev;  in bitmap_element_link()
326       element->next = ptr;  in bitmap_element_link()
327       ptr->prev = element;  in bitmap_element_link()
339 	ptr->next->prev = element;  in bitmap_element_link()
341       element->next = ptr->next;  in bitmap_element_link()
342       element->prev = ptr;  in bitmap_element_link()
343       ptr->next = element;  in bitmap_element_link()
347   head->current = element;  in bitmap_element_link()
430   bitmap_element *element;  in bitmap_find_bit()  local
440     for (element = head->current;  in bitmap_find_bit()
441 	 element->next != 0 && element->indx < indx;  in bitmap_find_bit()
442 	 element = element->next)  in bitmap_find_bit()
448     for (element = head->current;  in bitmap_find_bit()
449 	 element->prev != 0 && element->indx > indx;  in bitmap_find_bit()
450 	 element = element->prev)  in bitmap_find_bit()
456     for (element = head->first;  in bitmap_find_bit()
457 	 element->next != 0 && element->indx < indx;  in bitmap_find_bit()
458 	 element = element->next)  in bitmap_find_bit()
463   head->current = element;  in bitmap_find_bit()
464   head->indx = element->indx;  in bitmap_find_bit()
465   if (element != 0 && element->indx != indx)  in bitmap_find_bit()
466     element = 0;  in bitmap_find_bit()
468   return element;  in bitmap_find_bit()