+ * Update the register pressure of a block
+ *
+ * @param irg the irg containing the block
+ * @param block the block for which the reg pressure should be set
+ * @param pressure the pressure
+ * @param class_name the name of the register class
+ */
+void stat_be_block_regpressure(ir_graph *irg, ir_node *block, int pressure, const char *class_name)
+{
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+ be_block_entry_t *block_ent;
+ reg_pressure_entry_t *rp_ent;
+
+ block_ent = be_block_get_entry(&status->be_data, get_irn_node_nr(block), graph->be_block_hash);
+ rp_ent = obstack_alloc(&status->be_data, sizeof(*rp_ent));
+ memset(rp_ent, 0, sizeof(*rp_ent));
+
+ rp_ent->class_name = class_name;
+ rp_ent->pressure = pressure;
+
+ pset_insert(block_ent->reg_pressure, rp_ent, HASH_PTR(class_name));
+ }
+ STAT_LEAVE;
+}
+
+/**
+ * Update the distribution of ready nodes of a block
+ *
+ * @param irg the irg containing the block
+ * @param block the block for which the reg pressure should be set
+ * @param num_ready the number of ready nodes
+ */
+void stat_be_block_sched_ready(ir_graph *irg, ir_node *block, int num_ready)
+{
+ if (! status->stat_options)
+ return;
+
+ STAT_ENTER;
+ {
+ graph_entry_t *graph = graph_get_entry(irg, status->irg_hash);
+ be_block_entry_t *block_ent;
+
+ block_ent = be_block_get_entry(&status->be_data, get_irn_node_nr(block), graph->be_block_hash);
+
+ /* increase the counter of corresponding number of ready nodes */
+ stat_inc_int_distrib_tbl(block_ent->sched_ready, num_ready);
+ }
+ STAT_LEAVE;
+}
+
+/**
+ * Update the permutation statistic of a block
+ *
+ * @param class_name the name of the register class
+ * @param n_regs number of registers in the register class
+ * @param perm the perm node
+ * @param block the block containing the perm
+ * @param size the size of the perm
+ * @param real_size number of pairs with different registers