-/**
- * Annotate the register pressure to the nodes and compute
- * the liveness intervals.
- * @param block The block to do it for.
- * @param env_ptr The environment.
- */
-static void pressure(ir_node *block, void *env_ptr)
-{
-/* Convenience macro for a def */
-#define border_def(irn, step, real) \
- border_add(env, head, irn, step, pressure--, 1, real)
-
-/* Convenience macro for a use */
-#define border_use(irn, step, real) \
- border_add(env, head, irn, step, ++pressure, 0, real)
-
- be_chordal_env_t *env = env_ptr;
- bitset_t *live = env->live;
- ir_node *irn;
-
- int i, n;
- unsigned step = 0;
- unsigned pressure = 0;
- struct list_head *head;
- pset *live_in = put_live_in(block, pset_new_ptr_default());
- pset *live_end = put_live_end(block, pset_new_ptr_default());
- const arch_register_class_t *cls = env->cls;
-
- DBG((dbg, LEVEL_1, "Computing pressure in block %+F\n", block));
- bitset_clear_all(live);