nsz Git - libfirm/blob - kaps.c

   1 #include "kaps.h"
   2
   3 static pbqp_node *get_node(pbqp *pbqp, int index)
   4 {
   5         return pbqp->nodes[index];
   6 }
   7
   8 pbqp *alloc_pbqp(int number_nodes)
   9 {
  10         pbqp* pbqp = xmalloc(sizeof(*pbqp));
  11
  12         obstack_init(&pbqp->obstack);
  13
  14         pbqp->solution = 0;
  15         pbqp->num_nodes = number_nodes;
  16         pbqp->nodes = obstack_alloc(&pbqp->obstack, number_nodes
  17                         * sizeof(*pbqp->nodes));
  18 }
  19
  20 void free_pbqp(pbqp *pbqp)
  21 {
  22         obstack_free(&pbqp->obstack, NULL);
  23         xfree(pbqp);
  24 }
  25
  26 void add_node_costs(pbqp *pbqp, int node_index, vector *costs)
  27 {
  28         pbqp_node *node = get_node(pbqp, node_index);
  29
  30         if (node == NULL) {
  31                 node = alloc_node(pbqp, costs);
  32         } else {
  33                 vector_add(node->costs, costs);
  34         }
  35 }