X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbestat.h;h=1ace836f52a97b2fd125bf9889b0f4f625667a27;hb=80a6158fdd766f42ee6c508a773bc114ff1b61f3;hp=cb01787dc7d338a3a1e5c75d3a5f3e4839284070;hpb=a7908ff554f649c7bf438ecfdfa70a2c68a554ee;p=libfirm

diff --git a/ir/be/bestat.h b/ir/be/bestat.h
index cb01787dc..1ace836f5 100644
--- a/ir/be/bestat.h
+++ b/ir/be/bestat.h
@@ -1,7 +1,30 @@
+/**
+ * Provides several statistic functions for the backend.
+ * @author Christian Wuerdig
+ * $Id$
+ */
+
 #ifndef _BESTAT_H_
 #define _BESTAT_H_
 
+#include "firm_config.h"
 #include "be_t.h"
+#include "benodesets.h"
+#include "bestatevent.h"
+
+enum {
+	STAT_TAG_FILE = 0,  /**< tag for source file name */
+	STAT_TAG_TIME = 1,  /**< tag for time */
+	STAT_TAG_IRG  = 2,  /**< tag for function name (irg) */
+	STAT_TAG_CLS  = 3,  /**< tag for register class (or "<all>") */
+	STAT_TAG_LAST
+};
+
+extern FILE *be_stat_file;
+extern const char *be_stat_tags[STAT_TAG_LAST];
+
+
+#ifdef FIRM_STATISTICS
 
 /**
  * Collects statistics information about register pressure.
@@ -9,4 +32,68 @@
  */
 void be_do_stat_reg_pressure(be_irg_t *birg);
 
+/**
+ * Collect statistics about amount of ready nodes per block
+ * @param block     The block
+ * @param ready_set A set of ready nodes
+ */
+void be_do_stat_sched_ready(ir_node *block, nodeset *ready_set);
+
+/**
+ * Pass information about a perm to the statistic module.
+ *
+ * @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
+ */
+void be_do_stat_perm(const char *class_name, int n_regs, ir_node *perm, ir_node *block, int n, int real_size);
+
+/**
+ * Pass information about a cycle or chain in a perm to the statistic module.
+ *
+ * @param class_name the name of the register class
+ * @param perm       the perm node
+ * @param block      the block containing the perm
+ * @param is_chain   1 if chain, 0 if cycle
+ * @param size       length of the cycle/chain
+ * @param n_ops      the number of ops representing this cycle/chain after lowering
+ */
+void be_do_stat_permcycle(const char *class_name, ir_node *perm, ir_node *block, int is_chain, int n_elems, int n_ops);
+
+/**
+ * Collects node statistics.
+ *
+ * @param irg      the to do statistics for
+ * @param phase    the phase to collect the statistic for
+ */
+void be_do_stat_nodes(ir_graph *irg, const char *phase);
+
+/**
+ * Performs initialization for be node statistics.
+ */
+void be_stat_init_irg(const arch_env_t *arch_env, ir_graph *irg);
+
+void be_init_stat_file(const char *filename, const char *sourcefilename);
+void be_close_stat_file(void);
+
+#else
+
+#define be_stat_init_irg(arch_env, irg)
+#define be_do_stat_nodes(irg, phase)
+#define be_do_stat_reg_pressure(birg)
+#define be_do_stat_sched_ready(block, ready_set)
+#define be_do_stat_perm(class_name, n_regs, perm, block, n, real_size)
+#define be_do_stat_permcycle(class_name, perm, block, is_chain, n_elems, n_ops)
+
+#endif /* FIRM_STATISTICS */
+
+/**
+ * Gives a cost estimate for the program (based on execution frequencies)
+ * and backend op_estimated_cost
+ */
+double be_estimate_irg_costs(ir_graph *irg, const arch_env_t *arch_env, ir_exec_freq *execfreqs);
+
 #endif /* _BESTAT_H_ */