- Split bearch.h correctly into bearch.h and bearch_t.h

[libfirm] / ir / be / bestat.c

diff --git a/ir/be/bestat.c b/ir/be/bestat.c
index 8ac3d6d..4e57152 100644 (file)
--- a/ir/be/bestat.c
+++ b/ir/be/bestat.c
@@ -8,7 +8,7 @@
 #include "config.h"
 #endif
 
-#ifdef FIRM_STATISTICS
+#include <time.h>
 
 #include "irnode_t.h"
 #include "irprintf.h"
@@ -24,6 +24,8 @@
 #include "besched.h"
 #include "benode_t.h"
 
+#ifdef FIRM_STATISTICS
+
 typedef struct _be_stat_irg_t {
        ir_graph         *irg;       /**< the irg, the statistic is about */
        pset             *phases;    /**< node statistics for each phase  */
@@ -99,7 +101,8 @@ struct a_pressure_walker {
 static void stat_reg_pressure_block(ir_node *block, void *data) {
        struct a_pressure_walker *env = data;
        be_irg_t         *birg = env->birg;
-       const arch_env_t *aenv = birg->main_env->arch_env;
+       ir_graph         *irg  = be_get_birg_irg(birg);
+       const arch_env_t *aenv = be_get_birg_arch_env(birg);
        int i, n = arch_isa_get_n_reg_class(aenv->isa);
 
        for (i = 0; i < n; i++) {
@@ -122,18 +125,20 @@ static void stat_reg_pressure_block(ir_node *block, void *data) {
                        max_live   = cnt < max_live ? max_live : cnt;
                }
 
-               stat_be_block_regpressure(birg->irg, block, max_live, cls->name);
+               stat_be_block_regpressure(irg, block, max_live, cls->name);
        }
 }
 
 void be_do_stat_reg_pressure(be_irg_t *birg) {
+       ir_graph *irg = be_get_birg_irg(birg);
+
        if (stat_is_active()) {
                struct a_pressure_walker w;
 
                w.birg = birg;
-               w.lv   = be_liveness(birg->irg);
+               w.lv   = be_liveness(irg);
                /* Collect register pressure information for each block */
-               irg_block_walk_graph(birg->irg, stat_reg_pressure_block, NULL, &w);
+               irg_block_walk_graph(irg, stat_reg_pressure_block, NULL, &w);
                be_liveness_free(w.lv);
        }
 }
@@ -141,9 +146,9 @@ void be_do_stat_reg_pressure(be_irg_t *birg) {
 /**
  * Notify statistic module about amount of ready nodes.
  */
-void be_do_stat_sched_ready(ir_node *block, nodeset *ready_set) {
+void be_do_stat_sched_ready(ir_node *block, const ir_nodeset_t *ready_set) {
        if (stat_is_active()) {
-               stat_be_block_sched_ready(get_irn_irg(block), block, MIN(nodeset_count(ready_set), 5));
+               stat_be_block_sched_ready(get_irn_irg(block), block, MIN(ir_nodeset_size(ready_set), 5));
        }
 }
 
@@ -171,7 +176,7 @@ void be_do_stat_permcycle(const char *class_name, ir_node *perm, ir_node *block,
 static void do_nodes_stat(ir_node *irn, void *env) {
        be_stat_phase_t  *phase = env;
        ir_mode          *mode;
-       opcode           opc;
+       ir_opcode        opc;
        arch_irn_class_t irn_class;
 
        if (is_Block(irn))
@@ -300,8 +305,82 @@ void be_stat_init_irg(const arch_env_t *arch_env, ir_graph *irg) {
                }
        }
 }
+#endif /* FIRM_STATISTICS */
+
+typedef struct _estimate_irg_costs_env_t {
+       const arch_env_t *arch_env;
+       ir_exec_freq     *execfreqs;
+       double           costs;
+} estimate_irg_costs_env_t;
+
+static void estimate_block_costs(ir_node *block, void *data)
+{
+       estimate_irg_costs_env_t *env = data;
+       ir_node *node;
+       double  costs = 0.0;
+
+       sched_foreach(block, node) {
+               costs += arch_get_op_estimated_cost(env->arch_env, node);
+       }
+
+       env->costs += costs * get_block_execfreq(env->execfreqs, block);
+}
+
+double be_estimate_irg_costs(ir_graph *irg, const arch_env_t *arch_env, ir_exec_freq *execfreqs)
+{
+       estimate_irg_costs_env_t env;
+
+       env.arch_env  = arch_env;
+       env.execfreqs = execfreqs;
+       env.costs     = 0.0;
+
+       irg_block_walk_graph(irg, estimate_block_costs, NULL, &env);
+
+       return env.costs;
+}
+
+#ifdef FIRM_STATISTICS
+
+const char *be_stat_tags[STAT_TAG_LAST];
+FILE       *be_stat_file = NULL;
+
+void be_init_stat_file(const char *stat_file_name, const char *sourcefilename)
+{
+       static char time_str[32];
+
+       assert(be_stat_file == NULL);
+
+       /* if we want to do some statistics, push the environment. */
+       if (strlen(stat_file_name) == 0)
+               return;
+
+       be_stat_file = fopen(stat_file_name, "at");
+       if (be_stat_file == NULL) {
+               fprintf(stderr, "Warning couldn't open statfile '%s'\n", stat_file_name);
+               return;
+       }
+
+       /* initialize the statistics tags */
+       ir_snprintf(time_str, sizeof(time_str),"%u", time(NULL));
+
+       be_stat_tags[STAT_TAG_FILE] = sourcefilename;
+       be_stat_tags[STAT_TAG_TIME] = time_str;
+       be_stat_tags[STAT_TAG_IRG]  = "<all>";
+       be_stat_tags[STAT_TAG_CLS]  = "<all>";
+
+       be_stat_ev_push(be_stat_tags, STAT_TAG_LAST, be_stat_file);
+}
+
+void be_close_stat_file()
+{
+       be_stat_ev_pop();
+       if (be_stat_file != NULL) {
+               fclose(be_stat_file);
+               be_stat_file = NULL;
+       }
+}
 
-#else
+#else /* FIRM_STATISTICS */
 
 void (be_stat_init_irg)(const arch_env_t *arch_env, ir_graph *irg) {}
 void (be_do_stat_nodes)(ir_graph *irg, const char *phase) {}