#include "config.h"
#endif
+#include <time.h>
+
#include "obst.h"
#include "pset.h"
#include "list.h"
#include "beifg_t.h"
#include "beifg_impl.h"
#include "benode_t.h"
+#include "bestatevent.h"
+#include "bestat.h"
#include "bespillbelady.h"
#include "bespillmorgan.h"
#include "bespillslots.h"
+#include "bespilloptions.h"
#include "belower.h"
#ifdef WITH_ILP
};
static const lc_opt_table_entry_t be_chordal_options[] = {
- LC_OPT_ENT_ENUM_INT ("spill", "spill method (belady, morgan or remat)", &spill_var),
- LC_OPT_ENT_ENUM_PTR ("ifg", "interference graph flavour (std, fast, clique, pointer, list, check)", &ifg_flavor_var),
- LC_OPT_ENT_ENUM_PTR ("perm", "perm lowering options (copy or swap)", &lower_perm_var),
+ LC_OPT_ENT_ENUM_INT ("spill", "spill method", &spill_var),
+ LC_OPT_ENT_ENUM_PTR ("ifg", "interference graph flavour", &ifg_flavor_var),
+ LC_OPT_ENT_ENUM_PTR ("perm", "perm lowering options", &lower_perm_var),
LC_OPT_ENT_ENUM_MASK("dump", "select dump phases", &dump_var),
- LC_OPT_ENT_ENUM_PTR ("vrfy", "verify options (off, warn, assert)", &be_ch_vrfy_var),
+ LC_OPT_ENT_ENUM_PTR ("vrfy", "verify options", &be_ch_vrfy_var),
LC_OPT_ENT_BOOL ("elrsplit", "enable extreme live range splitting", &be_elr_split),
LC_OPT_ENT_INT ("loop_weight", "assumed amount of loop iterations for guessing the execution frequency", &be_loop_weight),
{ NULL }
lc_opt_add_table(chordal_grp, be_chordal_options);
co_register_options(chordal_grp);
+#ifdef WITH_JVM
be_java_coal_register_options(chordal_grp);
+#endif
#ifdef WITH_ILP
be_spill_remat_register_options(chordal_grp);
#endif
+ be_spill_register_options(chordal_grp);
}
}
#endif /* WITH_LIBCORE */
if (! be_is_Reload(irn))
return;
- // only use memory operands, if the reload is only used by 1 node
+ /* always use addressmode, it's good for x86 */
+#if 0
+ /* only use memory operands, if the reload is only used by 1 node */
if(get_irn_n_edges(irn) > 1)
return;
+#endif
spill = be_get_Reload_mem(irn);
block = get_nodes_block(irn);
ir_node *src = get_edge_src_irn(edge);
int pos = get_edge_src_pos(edge);
- if (! src)
- continue;
+ assert(src && "outedges broken!");
if (get_nodes_block(src) == block && arch_possible_memory_operand(aenv, src, pos)) {
DBG((cenv->dbg, LEVEL_3, "performing memory operand %+F at %+F\n", irn, src));
irg_walk_graph(chordal_env->irg, NULL, memory_operand_walker, chordal_env);
}
+/**
+ * Sorry for doing stats again...
+ */
+typedef struct _node_stat_t {
+ unsigned int n_phis; /**< Phis of the current register class. */
+ unsigned int n_mem_phis; /**< Memory Phis (Phis with spill operands). */
+ unsigned int n_copies; /**< Copies */
+ unsigned int n_perms; /**< Perms */
+ unsigned int n_spills; /**< Spill nodes */
+ unsigned int n_reloads; /**< Reloads */
+} node_stat_t;
+
+struct node_stat_walker {
+ node_stat_t *stat;
+ const be_chordal_env_t *cenv;
+ bitset_t *mem_phis;
+};
+
+static void node_stat_walker(ir_node *irn, void *data)
+{
+ struct node_stat_walker *env = data;
+ const arch_env_t *aenv = env->cenv->birg->main_env->arch_env;
+
+ if(arch_irn_consider_in_reg_alloc(aenv, env->cenv->cls, irn)) {
+
+ /* if the node is a normal phi */
+ if(is_Phi(irn))
+ env->stat->n_phis++;
+
+ else if(arch_irn_classify(aenv, irn) & arch_irn_class_spill)
+ ++env->stat->n_spills;
+
+ else if(arch_irn_classify(aenv, irn) & arch_irn_class_reload)
+ ++env->stat->n_reloads;
+
+ else if(arch_irn_classify(aenv, irn) & arch_irn_class_copy)
+ ++env->stat->n_copies;
+
+ else if(arch_irn_classify(aenv, irn) & arch_irn_class_perm)
+ ++env->stat->n_perms;
+ }
+
+ /* a mem phi is a PhiM with a mem phi operand or a Spill operand */
+ else if(is_Phi(irn) && get_irn_mode(irn) == mode_M) {
+ int i;
+
+ for(i = get_irn_arity(irn) - 1; i >= 0; --i) {
+ ir_node *op = get_irn_n(irn, i);
+
+ if((is_Phi(op) && bitset_contains_irn(env->mem_phis, op)) || (arch_irn_classify(aenv, op) & arch_irn_class_spill)) {
+ bitset_add_irn(env->mem_phis, irn);
+ env->stat->n_mem_phis++;
+ break;
+ }
+ }
+ }
+}
+
+static void node_stats(const be_chordal_env_t *cenv, node_stat_t *stat)
+{
+ struct node_stat_walker env;
+
+ memset(stat, 0, sizeof(stat[0]));
+ env.cenv = cenv;
+ env.mem_phis = bitset_irg_malloc(cenv->irg);
+ env.stat = stat;
+ irg_walk_graph(cenv->irg, NULL, node_stat_walker, &env);
+ bitset_free(env.mem_phis);
+}
+
+static void insn_count_walker(ir_node *irn, void *data)
+{
+ int *cnt = data;
+
+ switch(get_irn_opcode(irn)) {
+ case iro_Proj:
+ case iro_Phi:
+ case iro_Start:
+ case iro_End:
+ break;
+ default:
+ (*cnt)++;
+ }
+}
+
+static unsigned int count_insns(ir_graph *irg)
+{
+ int cnt = 0;
+ irg_walk_graph(irg, insn_count_walker, NULL, &cnt);
+ return cnt;
+}
+
#ifdef WITH_LIBCORE
/**
* Initialize all timers.
static void be_init_timer(be_options_t *main_opts)
{
if (main_opts->timing == BE_TIME_ON) {
- ra_timer.t_prolog = lc_timer_register("ra_prolog", "regalloc prolog");
- ra_timer.t_epilog = lc_timer_register("ra_epilog", "regalloc epilog");
- ra_timer.t_live = lc_timer_register("ra_liveness", "be liveness");
- ra_timer.t_spill = lc_timer_register("ra_spill", "spiller");
- ra_timer.t_spillslots = lc_timer_register("ra_spillslots", "spillslots");
- ra_timer.t_color = lc_timer_register("ra_color", "graph coloring");
- ra_timer.t_ifg = lc_timer_register("ra_ifg", "interference graph");
- ra_timer.t_copymin = lc_timer_register("ra_copymin", "copy minimization");
- ra_timer.t_ssa = lc_timer_register("ra_ssadestr", "ssa destruction");
- ra_timer.t_verify = lc_timer_register("ra_verify", "graph verification");
- ra_timer.t_other = lc_timer_register("ra_other", "other time");
+ ra_timer.t_prolog = lc_timer_register("ra_prolog", "regalloc prolog");
+ ra_timer.t_epilog = lc_timer_register("ra_epilog", "regalloc epilog");
+ ra_timer.t_live = lc_timer_register("ra_liveness", "be liveness");
+ ra_timer.t_spill = lc_timer_register("ra_spill", "spiller");
+ ra_timer.t_spillslots = lc_timer_register("ra_spillslots", "spillslots");
+ ra_timer.t_color = lc_timer_register("ra_color", "graph coloring");
+ ra_timer.t_ifg = lc_timer_register("ra_ifg", "interference graph");
+ ra_timer.t_copymin = lc_timer_register("ra_copymin", "copy minimization");
+ ra_timer.t_ssa = lc_timer_register("ra_ssadestr", "ssa destruction");
+ ra_timer.t_verify = lc_timer_register("ra_verify", "graph verification");
+ ra_timer.t_other = lc_timer_register("ra_other", "other time");
LC_STOP_AND_RESET_TIMER(ra_timer.t_prolog);
LC_STOP_AND_RESET_TIMER(ra_timer.t_epilog);
const arch_isa_t *isa = arch_env_get_isa(main_env->arch_env);
ir_graph *irg = bi->irg;
be_options_t *main_opts = main_env->options;
- int splitted = 0;
+ int splitted = 0;
int j, m;
be_chordal_env_t chordal_env;
chordal_env.irg = irg;
chordal_env.birg = bi;
chordal_env.dom_front = be_compute_dominance_frontiers(irg);
- chordal_env.exec_freq = compute_execfreq(irg, be_loop_weight);
+ chordal_env.exec_freq = bi->execfreqs;
chordal_env.lv = be_liveness(irg);
FIRM_DBG_REGISTER(chordal_env.dbg, "firm.be.chordal");
BE_TIMER_POP(ra_timer.t_prolog);
+ be_stat_ev("insns_before", count_insns(irg));
+
/* Perform the following for each register class. */
for (j = 0, m = arch_isa_get_n_reg_class(isa); j < m; ++j) {
+ node_stat_t node_stat;
+ double spillcosts = 0;
+
chordal_env.cls = arch_isa_get_reg_class(isa, j);
chordal_env.border_heads = pmap_create();
chordal_env.ignore_colors = bitset_malloc(chordal_env.cls->n_regs);
+ if(be_stat_ev_is_active()) {
+ be_stat_tags[STAT_TAG_CLS] = chordal_env.cls->name;
+ be_stat_ev_push(be_stat_tags, STAT_TAG_LAST, be_stat_file);
+
+ /* perform some node statistics. */
+ node_stats(&chordal_env, &node_stat);
+ be_stat_ev("phis_before_spill", node_stat.n_phis);
+ }
+
/* put all ignore registers into the ignore register set. */
put_ignore_colors(&chordal_env);
be_pre_spill_prepare_constr(&chordal_env);
dump(BE_CH_DUMP_CONSTR, irg, chordal_env.cls, "-constr-pre", dump_ir_block_graph_sched);
+ if(be_stat_ev_is_active()) {
+ spillcosts = be_estimate_irg_costs(irg, main_env->arch_env, chordal_env.exec_freq);
+ }
+
BE_TIMER_PUSH(ra_timer.t_spill);
/* spilling */
BE_TIMER_POP(ra_timer.t_spill);
- DBG((chordal_env.dbg, LEVEL_1, "spill costs for %+F in regclass %s: %g\n",
- irg,
- chordal_env.cls->name,
- get_irg_spill_cost(&chordal_env))
- );
+ if(be_stat_ev_is_active()) {
+ spillcosts = be_estimate_irg_costs(irg, main_env->arch_env, chordal_env.exec_freq) - spillcosts;
+ be_stat_ev_l("spillcosts", (long) spillcosts);
+
+ node_stats(&chordal_env, &node_stat);
+ be_stat_ev("phis_after_spill", node_stat.n_phis);
+ be_stat_ev("mem_phis", node_stat.n_mem_phis);
+ be_stat_ev("reloads", node_stat.n_reloads);
+ be_stat_ev("spills", node_stat.n_spills);
+ }
+
+ DBG((chordal_env.dbg, LEVEL_1, "spill costs for %+F in regclass %s: %g\n",irg, chordal_env.cls->name, get_irg_spill_cost(&chordal_env)));
dump(BE_CH_DUMP_SPILL, irg, chordal_env.cls, "-spill", dump_ir_block_graph_sched);
}
BE_TIMER_POP(ra_timer.t_ifg);
+ if(be_stat_ev_is_active()) {
+ be_ifg_stat_t stat;
+ be_ifg_stat(&chordal_env, &stat);
+ be_stat_ev("ifg_nodes", stat.n_nodes);
+ be_stat_ev("ifg_edges", stat.n_edges);
+ be_stat_ev("ifg_comps", stat.n_comps);
+ }
+
BE_TIMER_PUSH(ra_timer.t_verify);
- if (options.vrfy_option != BE_CH_VRFY_OFF)
- be_ra_chordal_check(&chordal_env);
+ if (options.vrfy_option != BE_CH_VRFY_OFF) {
+ //be_ra_chordal_check(&chordal_env);
+ }
BE_TIMER_POP(ra_timer.t_verify);
+ if(be_stat_ev_is_active()) {
+ node_stats(&chordal_env, &node_stat);
+ be_stat_ev("perms_before_coal", node_stat.n_perms);
+ be_stat_ev("copies_before_coal", node_stat.n_copies);
+ }
+
/* copy minimization */
BE_TIMER_PUSH(ra_timer.t_copymin);
co_driver(&chordal_env);
BE_TIMER_POP(ra_timer.t_copymin);
+
dump(BE_CH_DUMP_COPYMIN, irg, chordal_env.cls, "-copymin", dump_ir_block_graph_sched);
BE_TIMER_PUSH(ra_timer.t_verify);
- if (options.vrfy_option != BE_CH_VRFY_OFF)
- be_ra_chordal_check(&chordal_env);
+ if (options.vrfy_option != BE_CH_VRFY_OFF) {
+ //be_ra_chordal_check(&chordal_env);
+ }
BE_TIMER_POP(ra_timer.t_verify);
BE_TIMER_PUSH(ra_timer.t_ssa);
BE_TIMER_PUSH(ra_timer.t_verify);
if (options.vrfy_option != BE_CH_VRFY_OFF) {
be_ssa_destruction_check(&chordal_env);
- be_ra_chordal_check(&chordal_env);
+ //be_ra_chordal_check(&chordal_env);
}
BE_TIMER_POP(ra_timer.t_verify);
be_ifg_free(chordal_env.ifg);
pmap_destroy(chordal_env.border_heads);
bitset_free(chordal_env.ignore_colors);
+
+ if(be_stat_ev_is_active()) {
+ node_stats(&chordal_env, &node_stat);
+ be_stat_ev("perms_after_coal", node_stat.n_perms);
+ be_stat_ev("copies_after_coal", node_stat.n_copies);
+ }
+
+ be_stat_ev_pop();
}
BE_TIMER_PUSH(ra_timer.t_spillslots);
obstack_free(&chordal_env.obst, NULL);
be_free_dominance_frontiers(chordal_env.dom_front);
be_liveness_free(chordal_env.lv);
- free_execfreq(chordal_env.exec_freq);
BE_TIMER_POP(ra_timer.t_epilog);
BE_TIMER_POP(ra_timer.t_other);
+ be_stat_ev("insns_after", count_insns(irg));
+
#ifdef WITH_LIBCORE
return main_opts->timing == BE_TIME_ON ? &ra_timer : NULL;
#endif /* WITH_LIBCORE */
const be_ra_t be_ra_chordal_allocator = {
#ifdef WITH_LIBCORE
be_ra_chordal_register_options,
- be_ra_chordal_main
#else
- 0
+ NULL,
#endif
+ be_ra_chordal_main,
};
projects / libfirm / blobdiff