#include "list.h"
#include "bitset.h"
#include "iterator.h"
+#include "firm_config.h"
#ifdef WITH_LIBCORE
#include <libcore/lc_opts.h>
#include <libcore/lc_opts_enum.h>
+#include <libcore/lc_timing.h>
#endif /* WITH_LIBCORE */
#include "irmode_t.h"
#include "irbitset.h"
#include "debug.h"
#include "xmalloc.h"
+#include "execfreq.h"
#include "bechordal_t.h"
#include "beabi.h"
#include "belower.h"
#ifdef WITH_ILP
-#include "bespillilp.h"
+#include "bespillremat.h"
#endif /* WITH_ILP */
#include "becopystat.h"
#include "bessadestr.h"
#include "beverify.h"
-
void be_ra_chordal_check(be_chordal_env_t *chordal_env) {
const arch_env_t *arch_env = chordal_env->birg->main_env->arch_env;
struct obstack ob;
for (o = i+1, n2 = nodes[o]; n2; n2 = nodes[++o]) {
n2_reg = arch_get_irn_register(arch_env, n2);
if (values_interfere(n1, n2) && n1_reg == n2_reg) {
- DBG((dbg, 0, "Values %+F and %+F interfere and have the same register assigned\n", n1, n2));
+ DBG((dbg, 0, "Values %+F and %+F interfere and have the same register assigned: %s\n", n1, n2, n1_reg->name));
assert(0 && "Interfering values have the same color!");
}
}
static be_ra_chordal_opts_t options = {
BE_CH_DUMP_NONE,
BE_CH_SPILL_BELADY,
- BE_CH_COPYMIN_HEUR1,
+ BE_CH_COPYMIN_HEUR2,
BE_CH_IFG_STD,
BE_CH_LOWER_PERM_SWAP,
+ BE_CH_VRFY_WARN,
+};
+
+static be_ra_timer_t ra_timer = {
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
};
#ifdef WITH_LIBCORE
{ "morgan", BE_CH_SPILL_MORGAN },
{ "belady", BE_CH_SPILL_BELADY },
#ifdef WITH_ILP
- { "ilp", BE_CH_SPILL_ILP },
-#endif
+ { "remat", BE_CH_SPILL_REMAT },
+#endif /* WITH_ILP */
{ NULL, 0 }
};
#ifdef WITH_ILP
{ "ilp1", BE_CH_COPYMIN_ILP1 },
{ "ilp2", BE_CH_COPYMIN_ILP2 },
-#endif
+#endif /* WITH_ILP */
{ NULL, 0 }
};
static const lc_opt_enum_int_items_t ifg_flavor_items[] = {
- { "std", BE_CH_IFG_STD },
- { "fast", BE_CH_IFG_FAST },
- { NULL, 0 }
+ { "std", BE_CH_IFG_STD },
+ { "fast", BE_CH_IFG_FAST },
+ { "clique", BE_CH_IFG_CLIQUE },
+ { "pointer", BE_CH_IFG_POINTER },
+ { "list", BE_CH_IFG_LIST },
+ { "check", BE_CH_IFG_CHECK },
+ { NULL, 0 }
};
static const lc_opt_enum_int_items_t lower_perm_items[] = {
};
static const lc_opt_enum_int_items_t dump_items[] = {
- { "spill", BE_CH_DUMP_SPILL },
- { "live", BE_CH_DUMP_LIVE },
- { "color", BE_CH_DUMP_COLOR },
- { "copymin", BE_CH_DUMP_COPYMIN },
- { "ssadestr", BE_CH_DUMP_SSADESTR },
+ { "spill", BE_CH_DUMP_SPILL },
+ { "live", BE_CH_DUMP_LIVE },
+ { "color", BE_CH_DUMP_COLOR },
+ { "copymin", BE_CH_DUMP_COPYMIN },
+ { "ssadestr", BE_CH_DUMP_SSADESTR },
{ "tree", BE_CH_DUMP_TREE_INTV },
- { "constr", BE_CH_DUMP_CONSTR },
- { "lower", BE_CH_DUMP_LOWER },
+ { "constr", BE_CH_DUMP_CONSTR },
+ { "lower", BE_CH_DUMP_LOWER },
+ { "all", BE_CH_DUMP_ALL },
+ { NULL, 0 }
+};
+
+static const lc_opt_enum_int_items_t be_ch_vrfy_items[] = {
+ { "off", BE_CH_VRFY_OFF },
+ { "warn", BE_CH_VRFY_WARN },
+ { "assert", BE_CH_VRFY_ASSERT },
{ NULL, 0 }
};
};
static lc_opt_enum_int_var_t ifg_flavor_var = {
- &options.spill_method, ifg_flavor_items
+ &options.ifg_flavor, ifg_flavor_items
};
static lc_opt_enum_int_var_t lower_perm_var = {
&options.dump_flags, dump_items
};
+static lc_opt_enum_int_var_t be_ch_vrfy_var = {
+ &options.vrfy_option, be_ch_vrfy_items
+};
+
+static int be_copymin_stats = 0;
+
+/** Assumed loop iteration count for execution frequency estimation. */
+static int be_loop_weight = 9;
+
static const lc_opt_table_entry_t be_chordal_options[] = {
- LC_OPT_ENT_ENUM_MASK("spill", "spill method (belady or ilp)", &spill_var),
- LC_OPT_ENT_ENUM_PTR ("copymin", "copymin method (none, heur1, heur2, ilp1, ilp2 or stat)", ©min_var),
- LC_OPT_ENT_ENUM_PTR ("ifg", "interference graph flavour (std or fast)", &ifg_flavor_var),
- LC_OPT_ENT_ENUM_MASK("perm", "perm lowering options (copy or swap)", &lower_perm_var),
- LC_OPT_ENT_ENUM_MASK("dump", "select dump phases", &dump_var),
+ LC_OPT_ENT_ENUM_INT ("spill", "spill method (belady, morgan or remat)", &spill_var),
+ LC_OPT_ENT_ENUM_PTR ("copymin", "copymin method (none, heur1, heur2, ilp1, ilp2 or stat)", ©min_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_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_BOOL ("copymin_stats", "dump statistics of copy minimization", &be_copymin_stats),
+ LC_OPT_ENT_INT ("loop_weight", "assumed amount of loop iterations for guessing the execution frequency", &be_loop_weight),
{ NULL }
};
co_register_options(chordal_grp);
}
-#endif
+#endif /* WITH_LIBCORE */
static void dump(unsigned mask, ir_graph *irg,
const arch_register_class_t *cls,
const char *suffix,
void (*dump_func)(ir_graph *, const char *))
{
- if(1 || ((options.dump_flags & mask) == mask)) {
- if(cls) {
+ if((options.dump_flags & mask) == mask) {
+ if (cls) {
char buf[256];
snprintf(buf, sizeof(buf), "-%s%s", cls->name, suffix);
be_dump(irg, buf, dump_func);
}
-
else
be_dump(irg, suffix, dump_func);
}
return fopen(buf, "wt");
}
-static void be_ra_chordal_main(const be_irg_t *bi)
+void check_ifg_implementations(be_chordal_env_t *chordal_env)
{
- const be_main_env_t *main_env = bi->main_env;
- const arch_isa_t *isa = arch_env_get_isa(main_env->arch_env);
- ir_graph *irg = bi->irg;
+ FILE *f;
+
+ f = be_chordal_open(chordal_env, "std", "log");
+ chordal_env->ifg = be_ifg_std_new(chordal_env);
+ be_ifg_check_sorted_to_file(chordal_env->ifg, f);
+ fclose(f);
+
+ f = be_chordal_open(chordal_env, "list", "log");
+ be_ifg_free(chordal_env->ifg);
+ chordal_env->ifg = be_ifg_list_new(chordal_env);
+ be_ifg_check_sorted_to_file(chordal_env->ifg, f);
+ fclose(f);
+
+ f = be_chordal_open(chordal_env, "clique", "log");
+ be_ifg_free(chordal_env->ifg);
+ chordal_env->ifg = be_ifg_clique_new(chordal_env);
+ be_ifg_check_sorted_to_file(chordal_env->ifg, f);
+ fclose(f);
+
+ f = be_chordal_open(chordal_env, "pointer", "log");
+ be_ifg_free(chordal_env->ifg);
+ chordal_env->ifg = be_ifg_pointer_new(chordal_env);
+ be_ifg_check_sorted_to_file(chordal_env->ifg, f);
+ fclose(f);
+
+ chordal_env->ifg = NULL;
+};
+
+static be_ra_timer_t *be_ra_chordal_main(const be_irg_t *bi)
+{
+ const be_main_env_t *main_env = bi->main_env;
+ 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;
copy_opt_t *co;
int j, m;
be_chordal_env_t chordal_env;
+ if (main_opts->timing == BE_TIME_ON) {
+ ra_timer.t_prolog = lc_timer_register("prolog", "regalloc prolog");
+ ra_timer.t_epilog = lc_timer_register("epilog", "regalloc epilog");
+ ra_timer.t_live = lc_timer_register("liveness", "be liveness");
+ ra_timer.t_spill = lc_timer_register("spill", "spiller");
+ ra_timer.t_color = lc_timer_register("color", "graph coloring");
+ ra_timer.t_ifg = lc_timer_register("ifg", "interference graph");
+ ra_timer.t_copymin = lc_timer_register("copymin", "copy minimization");
+ ra_timer.t_ssa = lc_timer_register("ssadestr", "ssa destruction");
+ ra_timer.t_verify = lc_timer_register("verify", "graph verification");
+ ra_timer.t_other = lc_timer_register("other", "other time");
+
+ LC_STOP_AND_RESET_TIMER(ra_timer.t_prolog);
+ LC_STOP_AND_RESET_TIMER(ra_timer.t_epilog);
+ LC_STOP_AND_RESET_TIMER(ra_timer.t_live);
+ LC_STOP_AND_RESET_TIMER(ra_timer.t_spill);
+ LC_STOP_AND_RESET_TIMER(ra_timer.t_color);
+ LC_STOP_AND_RESET_TIMER(ra_timer.t_ifg);
+ LC_STOP_AND_RESET_TIMER(ra_timer.t_copymin);
+ LC_STOP_AND_RESET_TIMER(ra_timer.t_ssa);
+ LC_STOP_AND_RESET_TIMER(ra_timer.t_verify);
+ LC_STOP_AND_RESET_TIMER(ra_timer.t_other);
+ }
+
+#define BE_TIMER_PUSH(timer) if (main_opts->timing == BE_TIME_ON) lc_timer_push(timer)
+#define BE_TIMER_POP() if (main_opts->timing == BE_TIME_ON) lc_timer_pop()
+
+ BE_TIMER_PUSH(ra_timer.t_other);
+ BE_TIMER_PUSH(ra_timer.t_prolog);
+
compute_doms(irg);
- chordal_env.opts = &options;
- chordal_env.irg = irg;
- chordal_env.birg = bi;
- chordal_env.dom_front = be_compute_dominance_frontiers(irg);
+ chordal_env.opts = &options;
+ 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);
FIRM_DBG_REGISTER(chordal_env.dbg, "firm.be.chordal");
obstack_init(&chordal_env.obst);
+ BE_TIMER_POP();
+
/* Perform the following for each register class. */
for(j = 0, m = arch_isa_get_n_reg_class(isa); j < m; ++j) {
+ FILE *f;
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);
+ BE_TIMER_PUSH(ra_timer.t_live);
+
/* put all ignore registers into the ignore register set. */
put_ignore_colors(&chordal_env);
be_liveness(irg);
+
+ BE_TIMER_POP();
+
dump(BE_CH_DUMP_LIVE, irg, chordal_env.cls, "-live", dump_ir_block_graph_sched);
+ BE_TIMER_PUSH(ra_timer.t_spill);
+
/* spilling */
switch(options.spill_method) {
case BE_CH_SPILL_MORGAN:
be_spill_belady(&chordal_env);
break;
#ifdef WITH_ILP
- case BE_CH_SPILL_ILP:
- be_spill_ilp(&chordal_env);
+ case BE_CH_SPILL_REMAT:
+ be_spill_remat(&chordal_env);
break;
#endif /* WITH_ILP */
default:
fprintf(stderr, "no valid spiller selected. falling back to belady\n");
be_spill_belady(&chordal_env);
}
+
+ BE_TIMER_POP();
+
dump(BE_CH_DUMP_SPILL, irg, chordal_env.cls, "-spill", dump_ir_block_graph_sched);
be_abi_fix_stack_nodes(bi->abi);
- assert(be_verify_schedule(irg));
- assert(be_verify_register_pressure(chordal_env.birg->main_env->arch_env, chordal_env.cls, irg));
+ BE_TIMER_PUSH(ra_timer.t_verify);
- /* Color the graph. */
+ /* verify schedule and register pressure */
+ if (options.vrfy_option == BE_CH_VRFY_WARN) {
+ be_verify_schedule(irg);
+ be_verify_register_pressure(chordal_env.birg->main_env->arch_env, chordal_env.cls, irg);
+ }
+ else if (options.vrfy_option == BE_CH_VRFY_ASSERT) {
+ assert(be_verify_schedule(irg) && "Schedule verification failed");
+ assert(be_verify_register_pressure(chordal_env.birg->main_env->arch_env, chordal_env.cls, irg)
+ && "Register pressure verification failed");
+ }
+
+ BE_TIMER_POP();
+ BE_TIMER_PUSH(ra_timer.t_live);
be_liveness(irg);
+ BE_TIMER_POP();
+ BE_TIMER_PUSH(ra_timer.t_color);
+
+ /* Color the graph. */
be_ra_chordal_color(&chordal_env);
+
+ BE_TIMER_POP();
+
dump(BE_CH_DUMP_CONSTR, irg, chordal_env.cls, "-color", dump_ir_block_graph_sched);
- /* Build the interference graph. */
- chordal_env.ifg = be_ifg_std_new(&chordal_env);
- be_ifg_check(chordal_env.ifg);
+ BE_TIMER_PUSH(ra_timer.t_ifg);
+
+ /* Create the ifg with the selected flavor */
+ switch (options.ifg_flavor) {
+ default:
+ fprintf(stderr, "no valid ifg flavour selected. falling back to std\n");
+ case BE_CH_IFG_STD:
+ case BE_CH_IFG_FAST:
+ chordal_env.ifg = be_ifg_std_new(&chordal_env);
+ break;
+ case BE_CH_IFG_CLIQUE:
+ chordal_env.ifg = be_ifg_clique_new(&chordal_env);
+ break;
+ case BE_CH_IFG_POINTER:
+ chordal_env.ifg = be_ifg_pointer_new(&chordal_env);
+ break;
+ case BE_CH_IFG_LIST:
+ chordal_env.ifg = be_ifg_list_new(&chordal_env);
+ break;
+ case BE_CH_IFG_CHECK:
+ check_ifg_implementations(&chordal_env);
+ /* Build the interference graph. */
+ chordal_env.ifg = be_ifg_std_new(&chordal_env);
+ break;
+ }
+
+
+#if 0
+ {
+ be_ifg_t *std = be_ifg_std_new(&chordal_env);
+ f = be_chordal_open(&chordal_env, "std", "csv");
+ be_ifg_check_sorted_to_file(std, f);
+ be_ifg_free(std);
+ fclose(f);
+ }
+
+ f = be_chordal_open(&chordal_env, "clique", "csv");
+ be_ifg_check_sorted_to_file(chordal_env.ifg, f);
+ fclose(f);
+#endif
+ BE_TIMER_POP();
+
+ BE_TIMER_PUSH(ra_timer.t_verify);
+
+ if (options.vrfy_option != BE_CH_VRFY_OFF)
+ be_ra_chordal_check(&chordal_env);
+
+// be_ifg_check_sorted(chordal_env.ifg);
+ BE_TIMER_POP();
+ BE_TIMER_PUSH(ra_timer.t_copymin);
/* copy minimization */
co = NULL;
if (options.copymin_method != BE_CH_COPYMIN_NONE && options.copymin_method != BE_CH_COPYMIN_STAT) {
+ FILE *f;
co = new_copy_opt(&chordal_env, co_get_costs_loop_depth);
co_build_ou_structure(co);
co_build_graph_structure(co);
+ if(be_copymin_stats) {
+ ir_printf("%40F %20s\n", current_ir_graph, chordal_env.cls->name);
+ printf("max copy costs: %d\n", co_get_max_copy_costs(co));
+ printf("init copy costs: %d\n", co_get_copy_costs(co));
+ printf("inevit copy costs: %d\n", co_get_inevit_copy_costs(co));
+ printf("copy costs lower bound: %d\n", co_get_lower_bound(co));
+ }
+
+#if 0
+ f = be_chordal_open(&chordal_env, "appel-", "apl");
+ co_dump_appel_graph(co, f);
+ fclose(f);
+ f = be_chordal_open(&chordal_env, "appel-clique-", "p");
+ co_dump_appel_graph_cliques(co, f);
+ fclose(f);
+#endif
}
switch(options.copymin_method) {
}
if (co) {
+ if(be_copymin_stats) {
+ printf("final copy costs : %d\n", co_get_copy_costs(co));
+ }
co_free_graph_structure(co);
co_free_ou_structure(co);
free_copy_opt(co);
}
+ BE_TIMER_POP();
+
dump(BE_CH_DUMP_COPYMIN, irg, chordal_env.cls, "-copymin", dump_ir_block_graph_sched);
- be_ra_chordal_check(&chordal_env);
+
+ BE_TIMER_PUSH(ra_timer.t_verify);
+
+ if (options.vrfy_option != BE_CH_VRFY_OFF)
+ be_ra_chordal_check(&chordal_env);
+
+ BE_TIMER_POP();
+ BE_TIMER_PUSH(ra_timer.t_ssa);
/* ssa destruction */
be_ssa_destruction(&chordal_env);
+
+ BE_TIMER_POP();
+
dump(BE_CH_DUMP_SSADESTR, irg, chordal_env.cls, "-ssadestr", dump_ir_block_graph_sched);
- be_ssa_destruction_check(&chordal_env);
- be_ra_chordal_check(&chordal_env);
- copystat_dump(irg);
+ 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_TIMER_POP();
+
+ if (options.copymin_method == BE_CH_COPYMIN_STAT)
+ copystat_dump(irg);
be_ifg_free(chordal_env.ifg);
pmap_destroy(chordal_env.border_heads);
bitset_free(chordal_env.ignore_colors);
}
+ BE_TIMER_PUSH(ra_timer.t_epilog);
+
be_compute_spill_offsets(&chordal_env);
dump(BE_CH_DUMP_LOWER, irg, NULL, "-spilloff", dump_ir_block_graph_sched);
obstack_free(&chordal_env.obst, NULL);
be_free_dominance_frontiers(chordal_env.dom_front);
+ free_execfreq(chordal_env.exec_freq);
+
+ BE_TIMER_POP();
+ BE_TIMER_POP();
+
+#undef BE_TIMER_PUSH
+#undef BE_TIMER_POP
+
+ return main_opts->timing == BE_TIME_ON ? &ra_timer : NULL;
}
const be_ra_t be_ra_chordal_allocator = {
projects / libfirm / blobdiff