70   struct tree_statement_list_node *head, *tail, *cur;  in tsi_link_before()  local
77       head = STATEMENT_LIST_HEAD (t);  in tsi_link_before()
85       if (!head || !tail)  in tsi_link_before()
87 	  gcc_assert (head == tail);  in tsi_link_before()
93       head = ggc_alloc (sizeof (*head));  in tsi_link_before()
94       head->prev = NULL;  in tsi_link_before()
95       head->next = NULL;  in tsi_link_before()
96       head->stmt = t;  in tsi_link_before()
97       tail = head;  in tsi_link_before()
107       head->prev = cur->prev;  in tsi_link_before()
108       if (head->prev)  in tsi_link_before()
109 	head->prev->next = head;  in tsi_link_before()
111 	STATEMENT_LIST_HEAD (i->container) = head;  in tsi_link_before()
117       head->prev = STATEMENT_LIST_TAIL (i->container);  in tsi_link_before()
118       if (head->prev)  in tsi_link_before()
119        head->prev->next = head;  in tsi_link_before()
121        STATEMENT_LIST_HEAD (i->container) = head;  in tsi_link_before()
131       i->ptr = head;  in tsi_link_before()
146   struct tree_statement_list_node *head, *tail, *cur;  in tsi_link_after()  local
153       head = STATEMENT_LIST_HEAD (t);  in tsi_link_after()
161       if (!head || !tail)  in tsi_link_after()
163 	  gcc_assert (head == tail);  in tsi_link_after()
169       head = ggc_alloc (sizeof (*head));  in tsi_link_after()
170       head->prev = NULL;  in tsi_link_after()
171       head->next = NULL;  in tsi_link_after()
172       head->stmt = t;  in tsi_link_after()
173       tail = head;  in tsi_link_after()
188       head->prev = cur;  in tsi_link_after()
189       cur->next = head;  in tsi_link_after()
194       STATEMENT_LIST_HEAD (i->container) = head;  in tsi_link_after()
203       i->ptr = head;  in tsi_link_after()