/* Create and return pseudo live range with given attributes. */
static lra_live_range_t
create_live_range (int regno, int start, int finish, lra_live_range_t next)
{
lra_live_range_t p = lra_live_range_pool.allocate ();
p->regno = regno;
p->start = start;
p->finish = finish;
p->next = next;
return p;
}
struct et_node *
et_new_tree (void *data)
{
et_node *nw = et_nodes.allocate ();
nw->data = data;
nw->father = NULL;
nw->left = NULL;
nw->right = NULL;
nw->son = NULL;
nw->rightmost_occ = et_new_occ (nw);
nw->parent_occ = NULL;
return nw;
}
static struct et_occ *
et_new_occ (struct et_node *node)
{
et_occ *nw = et_occurrences.allocate ();
nw->of = node;
nw->parent = NULL;
nw->prev = NULL;
nw->next = NULL;
nw->depth = 0;
nw->min_occ = nw;
nw->min = 0;
return nw;
}