/*
- * Copyright (C) 1995-2008 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.
+ * Copyright (C) 2012 University of Karlsruhe.
*/
/**
* @file
* @brief Provides several statistic functions for the backend.
* @author Christian Wuerdig, Matthias Braun
- * @version $Id$
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
#include <time.h>
#include "execfreq.h"
#include "firmstat_t.h"
#include "irtools.h"
-#include "statev.h"
#include "error.h"
+#include "statev_t.h"
-#include "bearch_t.h"
-#include "beirg_t.h"
+#include "bearch.h"
+#include "beirg.h"
#include "bestat.h"
#include "belive_t.h"
#include "besched.h"
-#include "benode_t.h"
+#include "benode.h"
typedef struct pressure_walker_env_t pressure_walker_env_t;
struct pressure_walker_env_t {
- be_irg_t *birg;
+ ir_graph *irg;
be_lv_t *lv;
double insn_count;
double regpressure;
- int max_pressure;
+ size_t max_pressure;
const arch_register_class_t *cls;
};
ir_node *block,
const arch_register_class_t *cls)
{
- 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);
- ir_node *irn;
- ir_nodeset_t live_nodes;
- int max_live;
+ ir_graph *irg = env->irg;
+ ir_nodeset_t live_nodes;
+ size_t max_live;
ir_nodeset_init(&live_nodes);
- be_liveness_end_of_block(env->lv, aenv, cls, block, &live_nodes);
+ be_liveness_end_of_block(env->lv, cls, block, &live_nodes);
max_live = ir_nodeset_size(&live_nodes);
env->regpressure += max_live;
sched_foreach_reverse(block, irn) {
- int cnt;
+ size_t cnt;
- if(is_Phi(irn))
+ if (is_Phi(irn))
break;
- be_liveness_transfer(aenv, cls, irn, &live_nodes);
+ be_liveness_transfer(cls, irn, &live_nodes);
cnt = ir_nodeset_size(&live_nodes);
max_live = cnt < max_live ? max_live : cnt;
env->regpressure += cnt;
env->insn_count++;
}
- if(max_live > env->max_pressure)
+ if (max_live > env->max_pressure)
env->max_pressure = max_live;
stat_be_block_regpressure(irg, block, max_live, cls->name);
ir_nodeset_destroy(&live_nodes);
}
-static void stat_reg_pressure_block(ir_node *block, void *data) {
- pressure_walker_env_t *env = data;
+static void stat_reg_pressure_block(ir_node *block, void *data)
+{
+ pressure_walker_env_t *env = (pressure_walker_env_t*)data;
check_reg_pressure_class(env, block, env->cls);
}
-void be_do_stat_reg_pressure(be_irg_t *birg, const arch_register_class_t *cls) {
+void be_do_stat_reg_pressure(ir_graph *irg, const arch_register_class_t *cls)
+{
pressure_walker_env_t env;
- ir_graph *irg = be_get_birg_irg(birg);
double average_pressure;
- env.birg = birg;
+ env.irg = irg;
env.insn_count = 0;
env.max_pressure = 0;
env.regpressure = 0;
- be_liveness_assure_sets(be_assure_liveness(birg));
- env.lv = be_get_birg_liveness(birg);
+ be_assure_live_sets(irg);
+ env.lv = be_get_irg_liveness(irg);
env.cls = cls;
/* Collect register pressure information for each block */
irg_block_walk_graph(irg, stat_reg_pressure_block, NULL, &env);
average_pressure = env.regpressure / env.insn_count;
- stat_ev_emit("bechordal_average_register_pressure", average_pressure);
- stat_ev_emit("bechordal_maximum_register_pressure", env.max_pressure);
+ stat_ev_dbl("bechordal_average_register_pressure", average_pressure);
+ stat_ev_dbl("bechordal_maximum_register_pressure", env.max_pressure);
}
-typedef struct _estimate_irg_costs_env_t {
- const arch_env_t *arch_env;
- ir_exec_freq *execfreqs;
- double costs;
+typedef struct estimate_irg_costs_env_t {
+ 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;
+ estimate_irg_costs_env_t *env = (estimate_irg_costs_env_t*)data;
+ double costs = 0.0;
sched_foreach(block, node) {
costs += arch_get_op_estimated_cost(node);
}
- env->costs += costs * get_block_execfreq(env->execfreqs, block);
+ env->costs += costs * get_block_execfreq(block);
}
-double be_estimate_irg_costs(ir_graph *irg, const arch_env_t *arch_env, ir_exec_freq *execfreqs)
+double be_estimate_irg_costs(ir_graph *irg)
{
estimate_irg_costs_env_t env;
-
- env.arch_env = arch_env;
- env.execfreqs = execfreqs;
- env.costs = 0.0;
+ env.costs = 0.0;
irg_block_walk_graph(irg, estimate_block_costs, NULL, &env);
-static be_node_stats_t *stats;
-
static void node_stat_walker(ir_node *irn, void *data)
{
- (void) data;
+ be_node_stats_t *const stats = (be_node_stats_t*)data;
/* if the node is a normal phi */
- if(is_Phi(irn)) {
+ if (is_Phi(irn)) {
if (get_irn_mode(irn) == mode_M) {
(*stats)[BE_STAT_MEM_PHIS]++;
} else {
(*stats)[BE_STAT_PHIS]++;
}
- } else {
- arch_irn_class_t classify = arch_irn_classify(irn);
-
- if(classify & arch_irn_class_spill)
- (*stats)[BE_STAT_SPILLS]++;
- if(classify & arch_irn_class_reload)
- (*stats)[BE_STAT_RELOADS]++;
- if(classify & arch_irn_class_remat)
- (*stats)[BE_STAT_REMATS]++;
- if(classify & arch_irn_class_copy)
- (*stats)[BE_STAT_COPIES]++;
- if(classify & arch_irn_class_perm)
- (*stats)[BE_STAT_PERMS]++;
+ } else if (be_is_Perm(irn)) {
+ (*stats)[BE_STAT_PERMS]++;
+ } else if (be_is_Copy(irn)) {
+ (*stats)[BE_STAT_COPIES]++;
}
}
-void be_collect_node_stats(be_node_stats_t *new_stats, be_irg_t *birg)
+void be_collect_node_stats(be_node_stats_t *new_stats, ir_graph *irg)
{
- stats = new_stats;
-
- memset(stats, 0, sizeof(*stats));
- irg_walk_graph(birg->irg, NULL, node_stat_walker, NULL);
+ memset(new_stats, 0, sizeof(*new_stats));
+ irg_walk_graph(irg, NULL, node_stat_walker, new_stats);
}
void be_subtract_node_stats(be_node_stats_t *stats, be_node_stats_t *sub)
static const char *get_stat_name(enum be_stat_tag_t tag)
{
- switch(tag) {
+ switch (tag) {
case BE_STAT_PHIS: return "phis";
case BE_STAT_MEM_PHIS: return "mem_phis";
case BE_STAT_COPIES: return "copies";
case BE_STAT_PERMS: return "perms";
- case BE_STAT_SPILLS: return "spills";
- case BE_STAT_RELOADS: return "reloads";
- case BE_STAT_REMATS: return "remats";
default: panic("unknown stat tag found");
}
}
void be_emit_node_stats(be_node_stats_t *stats, const char *prefix)
{
- static char buf[256];
- int i;
+ static char buf[256];
+ be_stat_tag_t i;
- for (i = 0; i < BE_STAT_COUNT; ++i) {
+ for (i = BE_STAT_FIRST; i < BE_STAT_COUNT; ++i) {
snprintf(buf, sizeof(buf), "%s%s", prefix, get_stat_name(i));
stat_ev_dbl(buf, (*stats)[i]);
}
static void insn_count_walker(ir_node *irn, void *data)
{
- unsigned long *cnt = data;
+ unsigned long *cnt = (unsigned long*)data;
- switch(get_irn_opcode(irn)) {
+ switch (get_irn_opcode(irn)) {
case iro_Proj:
case iro_Phi:
- case iro_Start:
+ case beo_Start:
case iro_End:
break;
default:
static void block_count_walker(ir_node *node, void *data)
{
- unsigned long *cnt = data;
- if (node == get_irg_end_block(current_ir_graph))
+ unsigned long *cnt = (unsigned long*)data;
+ if (node == get_irg_end_block(get_irn_irg(node)))
return;
(*cnt)++;
}
projects / libfirm / blobdiff