+/*
+ * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
/**
- * This file calls the corresponding statistic functions for
- * some backend statistics.
- * @author Christian Wuerdig
- * $Id$
+ * @file
+ * @brief Provides several statistic functions for the backend.
+ * @author Christian Wuerdig
+ * @version $Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#ifdef FIRM_STATISTICS
+#include <time.h>
#include "irnode_t.h"
#include "irprintf.h"
#include "irgwalk.h"
#include "irhooks.h"
+#include "execfreq.h"
#include "dbginfo_t.h"
#include "firmstat_t.h"
#include "irtools.h"
#include "pset.h"
+#include "bearch_t.h"
#include "bestat.h"
#include "belive_t.h"
#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 */
return entry;
}
+struct a_pressure_walker {
+ be_irg_t *birg;
+ be_lv_t *lv;
+};
+
/**
* Collect reg pressure statistics per block and per class.
*/
-static void stat_reg_pressure_block(ir_node *block, void *env) {
- be_irg_t *birg = env;
- const arch_env_t *aenv = birg->main_env->arch_env;
+static void stat_reg_pressure_block(ir_node *block, void *data) {
+ struct a_pressure_walker *env = data;
+ be_irg_t *birg = env->birg;
+ 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++) {
pset *live_nodes = pset_new_ptr(64);
int max_live;
- live_nodes = be_liveness_end_of_block(aenv, cls, block, live_nodes);
+ live_nodes = be_liveness_end_of_block(env->lv, aenv, cls, block, live_nodes);
max_live = pset_count(live_nodes);
sched_foreach_reverse(block, irn) {
live_nodes = be_liveness_transfer(aenv, cls, irn, live_nodes);
cnt = pset_count(live_nodes);
-
- max_live = cnt < max_live ? max_live : cnt;
+ max_live = cnt < max_live ? max_live : cnt;
}
- stat_be_block_regpressure(birg->irg, block, MIN(max_live, 5), 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()) {
- be_liveness(birg->irg);
+ struct a_pressure_walker w;
+
+ w.birg = birg;
+ w.lv = be_liveness(irg);
/* Collect register pressure information for each block */
- irg_block_walk_graph(birg->irg, stat_reg_pressure_block, NULL, birg);
+ irg_block_walk_graph(irg, stat_reg_pressure_block, NULL, &w);
+ be_liveness_free(w.lv);
}
}
/**
* 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, nodeset_count(ready_set));
+ stat_be_block_sched_ready(get_irn_irg(block), block, MIN(ir_nodeset_size(ready_set), 5));
}
}
* Updates nodes statistics.
*/
static void do_nodes_stat(ir_node *irn, void *env) {
- be_stat_phase_t *phase = env;
- ir_mode *mode;
- opcode opc;
+ be_stat_phase_t *phase = env;
+ ir_mode *mode;
+ ir_opcode opc;
+ arch_irn_class_t irn_class;
if (is_Block(irn))
return;
opc == iro_End)
return;
- if (is_Proj(irn)) {
+ if (is_Proj(irn) && (mode != mode_X)) {
phase->num_proj++;
return;
}
phase->num_phi++;
return;
}
- else if (mode_is_datab(mode) || (mode == mode_T && ! is_be_node(irn)))
+ else if (mode_is_datab(mode) || ((mode == mode_T) && ! is_be_node(irn)) || (is_Proj(irn) && (mode == mode_X)))
phase->num_data++;
if (opc == iro_Load)
else if (opc == iro_Store)
phase->num_store++;
- switch (arch_irn_classify(phase->arch_env, irn)) {
- case arch_irn_class_spill:
- phase->num_spill++;
- break;
- case arch_irn_class_reload:
- phase->num_reload++;
- break;
- case arch_irn_class_stackparam:
- case arch_irn_class_load:
- phase->num_load++;
- break;
- case arch_irn_class_store:
- phase->num_store++;
- break;
- default:
- break;
- }
+ irn_class = arch_irn_classify(phase->arch_env, irn);
+ if (irn_class & arch_irn_class_spill)
+ phase->num_spill++;
+ else if (irn_class & arch_irn_class_reload)
+ phase->num_reload++;
+ else if (irn_class & arch_irn_class_stackparam)
+ phase->num_load++;
+ else if (irn_class & arch_irn_class_load)
+ phase->num_load++;
+ else if (irn_class & arch_irn_class_store)
+ phase->num_store++;
}
/**
}
}
}
+#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) {}
void (be_do_stat_reg_pressure)(be_irg_t *birg) {}
-void (be_do_stat_sched_ready)(ir_node *block, nodeset *ready_set) {}
+void (be_do_stat_sched_ready)(ir_node *block, ir_nodeset_t *ready_set) {}
void (be_do_stat_perm)(const char *class_name, int n_regs, ir_node *perm, ir_node *block, int n, int real_size) {}
#endif /* FIRM_STATISTICS */
projects / libfirm / blobdiff