#include "irloop_t.h"
#include "irtools.h"
#include "irvrfy.h"
+#include "irprintf.h"
#include "return.h"
#include "firmstat.h"
#include "cfopt.h"
#include "execfreq.h"
#include "bearch.h"
-#include "firm/bearch_firm.h"
-#include "ia32/bearch_ia32.h"
-#include "arm/bearch_arm.h"
-#include "ppc32/bearch_ppc32.h"
-#include "mips/bearch_mips.h"
-
#include "be_t.h"
-#include "benumb_t.h"
+#include "bemodule.h"
#include "beutil.h"
#include "benode_t.h"
#include "beirgmod.h"
#include "beblocksched.h"
#include "be_dbgout.h"
+#ifdef WITH_ILP
+#include "beilpsched.h"
+#endif /* WITH_ILP */
+
/* options visible for anyone */
static be_options_t be_options = {
DUMP_NONE, /* dump flags */
1, /* try to omit frame pointer */
0, /* always stabs debugging output */
BE_VRFY_WARN, /* verification level: warn */
+ BE_SCHED_LIST, /* scheduler: list scheduler */
"i44pc52.info.uni-karlsruhe.de", /* ilp server */
"cplex" /* ilp solver */
};
/* config file. */
static char config_file[256] = { 0 };
-/* register allocator to use. */
-static const be_ra_t *ra = &be_ra_chordal_allocator;
-
/* back end instruction set architecture to use */
-static const arch_isa_if_t *isa_if = &ia32_isa_if;
+static const arch_isa_if_t *isa_if = NULL;
#ifdef WITH_LIBCORE
-static lc_opt_entry_t *be_grp_root = NULL;
-
/* possible dumping options */
static const lc_opt_enum_mask_items_t dump_items[] = {
{ "none", DUMP_NONE },
{ NULL, 0 }
};
-/* register allocators */
-static const lc_opt_enum_const_ptr_items_t ra_items[] = {
- { "chordal", &be_ra_chordal_allocator },
- { "external", &be_ra_external_allocator },
- { NULL, NULL }
-};
-
-/* instruction set architectures. */
-static const lc_opt_enum_const_ptr_items_t isa_items[] = {
- { "ia32", &ia32_isa_if },
-#if 0
- { "arm", &arm_isa_if },
- { "ppc32", &ppc32_isa_if },
- { "mips", &mips_isa_if },
-#endif
- { NULL, NULL }
-};
-
/* verify options. */
static const lc_opt_enum_int_items_t vrfy_items[] = {
{ "off", BE_VRFY_OFF },
{ NULL, 0 }
};
-static lc_opt_enum_mask_var_t dump_var = {
- &be_options.dump_flags, dump_items
-};
-
-static lc_opt_enum_const_ptr_var_t ra_var = {
- (const void **) &ra, ra_items
+/* scheduling options. */
+static const lc_opt_enum_int_items_t sched_items[] = {
+ { "list", BE_SCHED_LIST },
+#ifdef WITH_ILP
+ { "ilp", BE_SCHED_ILP },
+#endif /* WITH_ILP */
+ { NULL, 0 }
};
-static lc_opt_enum_const_ptr_var_t isa_var = {
- (const void **) &isa_if, isa_items
+static lc_opt_enum_mask_var_t dump_var = {
+ &be_options.dump_flags, dump_items
};
static lc_opt_enum_int_var_t vrfy_var = {
&be_options.vrfy_option, vrfy_items
};
+static lc_opt_enum_int_var_t sched_var = {
+ &be_options.scheduler, sched_items
+};
+
static const lc_opt_table_entry_t be_main_options[] = {
LC_OPT_ENT_STR ("config", "read another config file containing backend options", config_file, sizeof(config_file)),
LC_OPT_ENT_ENUM_MASK("dump", "dump irg on several occasions", &dump_var),
- LC_OPT_ENT_ENUM_PTR ("ra", "register allocator", &ra_var),
- LC_OPT_ENT_ENUM_PTR ("isa", "the instruction set architecture", &isa_var),
LC_OPT_ENT_NEGBOOL ("noomitfp", "do not omit frame pointer", &be_options.omit_fp),
LC_OPT_ENT_BOOL ("stabs", "enable stabs debug support", &be_options.stabs_debug_support),
LC_OPT_ENT_ENUM_PTR ("vrfy", "verify the backend irg", &vrfy_var),
LC_OPT_ENT_BOOL ("time", "get backend timing statistics", &be_options.timing),
LC_OPT_ENT_BOOL ("profile", "instrument the code for execution count profiling", &be_options.opt_profile),
+ LC_OPT_ENT_ENUM_PTR ("sched", "select a scheduler", &sched_var),
+ LC_OPT_ENT_STR ("statfile", "append statistics to file statfile", &be_options.stat_file_name, sizeof(be_options.stat_file_name)),
#ifdef WITH_ILP
LC_OPT_ENT_STR ("ilp.server", "the ilp server name", be_options.ilp_server, sizeof(be_options.ilp_server)),
#endif /* WITH_LIBCORE */
+static be_module_list_entry_t *isa_ifs = NULL;
+
+void be_register_isa_if(const char *name, const arch_isa_if_t *isa)
+{
+ if(isa_if == NULL)
+ isa_if = isa;
+
+ be_add_module_to_list(&isa_ifs, name, (void*) isa);
+}
+
void be_opt_register(void)
{
#ifdef WITH_LIBCORE
- int i;
- lc_opt_entry_t *be_grp_ra;
+ lc_opt_entry_t *be_grp;
static int run_once = 0;
- if (! run_once) {
- run_once = 1;
- be_grp_root = lc_opt_get_grp(firm_opt_get_root(), "be");
- be_grp_ra = lc_opt_get_grp(be_grp_root, "ra");
-
- lc_opt_add_table(be_grp_root, be_main_options);
-
- /* register allocator options */
- for(i = 0; ra_items[i].name != NULL; ++i) {
- const be_ra_t *ra = ra_items[i].value;
- ra->register_options(be_grp_ra);
- }
+ if (run_once) {
+ return;
+ }
+ run_once = 1;
- /* register isa options */
- for(i = 0; isa_items[i].name != NULL; ++i) {
- const arch_isa_if_t *isa = isa_items[i].value;
- isa->register_options(be_grp_root);
- }
+ be_init_modules();
- /* scheduler register options */
- list_sched_register_options(be_grp_root);
+ be_grp = lc_opt_get_grp(firm_opt_get_root(), "be");
+ lc_opt_add_table(be_grp, be_main_options);
- be_block_schedule_register_options(be_grp_root);
- }
+ be_add_module_list_opt(be_grp, "isa", "the instruction set architecture",
+ &isa_ifs, (void**) &isa_if);
#endif /* WITH_LIBCORE */
}
/* Parse one argument. */
int be_parse_arg(const char *arg) {
#ifdef WITH_LIBCORE
+ lc_opt_entry_t *be_grp = lc_opt_get_grp(firm_opt_get_root(), "be");
if (strcmp(arg, "help") == 0 || (arg[0] == '?' && arg[1] == '\0')) {
- lc_opt_print_help(be_grp_root, stdout);
+ lc_opt_print_help(be_grp, stdout);
return -1;
}
- return lc_opt_from_single_arg(be_grp_root, NULL, arg, NULL);
+ return lc_opt_from_single_arg(be_grp, NULL, arg, NULL);
#else
return 0;
#endif /* WITH_LIBCORE */
const backend_params *be_init(void)
{
be_opt_register();
-
- be_sched_init();
- be_numbering_init();
- be_copy_opt_init();
- copystat_init();
+ be_init_modules();
phi_class_init();
if (isa_if->get_params)
/* Remove critical edges */
remove_critical_cf_edges(irg);
- /* Compute the dominance information. */
- free_dom(irg);
- compute_doms(irg);
-
/* Ensure, that the ir_edges are computed. */
edges_assure(irg);
- /* check, if the dominance property is fulfilled. */
- be_check_dominance(irg);
-
/* reset the phi handler. */
be_phi_handler_reset(env->phi_handler);
}
ir_graph *irg = birg->irg;
optimization_state_t state;
const arch_code_generator_if_t *cg_if;
+ char irg_name[128];
/* set the current graph (this is important for several firm functions) */
current_ir_graph = irg;
+#ifdef FIRM_STATISTICS
+ if(be_stat_ev_is_active()) {
+ ir_snprintf(irg_name, sizeof(irg_name), "%F", irg);
+ be_stat_tags[STAT_TAG_CLS] = "<all>";
+ be_stat_tags[STAT_TAG_IRG] = irg_name;
+ be_stat_ev_push(be_stat_tags, STAT_TAG_LAST, be_stat_file);
+ }
+#endif
+
/* stop and reset timers */
BE_TIMER_ONLY(
LC_STOP_AND_RESET_TIMER(t_abi);
);
BE_TIMER_PUSH(t_other); /* t_other */
+ /* Verify the initial graph */
+ BE_TIMER_PUSH(t_verify);
+ if (be_options.vrfy_option == BE_VRFY_WARN) {
+ irg_verify(irg, VRFY_ENFORCE_SSA);
+ be_check_dominance(irg);
+ } else if (be_options.vrfy_option == BE_VRFY_ASSERT) {
+ assert(irg_verify(irg, VRFY_ENFORCE_SSA) && "irg verification failed");
+ assert(be_check_dominance(irg) && "Dominance verification failed");
+ }
+ BE_TIMER_POP(t_verify);
+
/**
* Create execution frequencies from profile data or estimate some
*/
if (be_profile_has_data()) {
- birg->execfreqs = be_create_execfreqs_from_profile(irg);
+ birg->exec_freq = be_create_execfreqs_from_profile(irg);
} else {
- birg->execfreqs = compute_execfreq(irg, 10);
+ birg->exec_freq = compute_execfreq(irg, 10);
}
BE_TIMER_ONLY(num_nodes_b = get_num_reachable_nodes(irg));
edges_activate(irg);
/* Compute loop nesting information (for weighting copies) */
- construct_cf_backedges(irg);
dump(DUMP_PREPARED, irg, "-prepared", dump_ir_block_graph);
BE_TIMER_ONLY(num_nodes_r = get_num_reachable_nodes(irg));
/* schedule the irg */
BE_TIMER_PUSH(t_sched);
- list_sched(birg, &be_options);
+ switch (be_options.scheduler) {
+ default:
+ fprintf(stderr, "Warning: invalid scheduler (%d) selected, falling back to list scheduler.\n", be_options.scheduler);
+ case BE_SCHED_LIST:
+ list_sched(birg, &be_options);
+ break;
+#ifdef WITH_ILP
+ case BE_SCHED_ILP:
+ be_ilp_sched(birg);
+ //fprintf(stderr, "Warning: ILP scheduler not yet fully implemented, falling back to list scheduler.\n");
+ //list_sched(birg, &be_options);
+ break;
+#endif /* WITH_ILP */
+ };
BE_TIMER_POP(t_sched);
dump(DUMP_SCHED, irg, "-sched", dump_ir_block_graph_sched);
arch_code_generator_before_ra(birg->cg);
BE_TIMER_POP(t_codegen);
+#ifdef FIRM_STATISTICS
+ if(be_stat_ev_is_active()) {
+ be_stat_ev_l("costs_before_ra",
+ (long) be_estimate_irg_costs(irg, env.arch_env, birg->exec_freq));
+ }
+#endif
+
/* Do register allocation */
BE_TIMER_PUSH(t_regalloc);
- ra_timer = ra->allocate(birg);
+ be_allocate_registers(birg);
BE_TIMER_POP(t_regalloc);
+#ifdef FIRM_STATISTICS
+ if(be_stat_ev_is_active()) {
+ be_stat_ev_l("costs_after_ra",
+ (long) be_estimate_irg_costs(irg, env.arch_env, birg->exec_freq));
+ }
+#endif
+
dump(DUMP_RA, irg, "-ra", dump_ir_block_graph_sched);
be_do_stat_nodes(irg, "06 Register Allocation");
be_abi_fix_stack_bias(birg->abi);
BE_TIMER_POP(t_abi);
+ dump(DUMP_SCHED, irg, "-fix_stack_after_ra", dump_ir_block_graph_sched);
+
BE_TIMER_PUSH(t_finish);
arch_code_generator_finish(birg->cg);
BE_TIMER_POP(t_finish);
BE_TIMER_ONLY(num_nodes_a = get_num_reachable_nodes(irg));
BE_TIMER_POP(t_other);
-#define LC_EMIT(timer) printf("%-20s: %.3lf msec\n", lc_timer_get_description(timer), (double)lc_timer_elapsed_usec(timer) / 1000.0)
-#define LC_EMIT_RA(timer) printf("\t%-20s: %.3lf msec\n", lc_timer_get_description(timer), (double)lc_timer_elapsed_usec(timer) / 1000.0)
+#define LC_EMIT(timer) \
+ if(!be_stat_ev_is_active()) { \
+ printf("%-20s: %.3lf msec\n", lc_timer_get_description(timer), (double)lc_timer_elapsed_usec(timer) / 1000.0); \
+ } else { \
+ be_stat_ev_l(lc_timer_get_name(timer), lc_timer_elapsed_msec(timer)); \
+ }
+#define LC_EMIT_RA(timer) \
+ if(!be_stat_ev_is_active()) { \
+ printf("\t%-20s: %.3lf msec\n", lc_timer_get_description(timer), (double)lc_timer_elapsed_usec(timer) / 1000.0); \
+ } else { \
+ be_stat_ev_l(lc_timer_get_name(timer), lc_timer_elapsed_msec(timer)); \
+ }
BE_TIMER_ONLY(
- printf("==>> IRG %s <<==\n", get_entity_name(get_irg_entity(irg)));
- printf("# nodes at begin: %u\n", num_nodes_b);
- printf("# nodes before ra: %u\n", num_nodes_r);
- printf("# nodes at end: %u\n\n", num_nodes_a);
+ if(!be_stat_ev_is_active()) {
+ printf("==>> IRG %s <<==\n", get_entity_name(get_irg_entity(irg)));
+ printf("# nodes at begin: %u\n", num_nodes_b);
+ printf("# nodes before ra: %u\n", num_nodes_r);
+ printf("# nodes at end: %u\n\n", num_nodes_a);
+ }
LC_EMIT(t_abi);
LC_EMIT(t_codegen);
LC_EMIT(t_sched);
#undef LC_EMIT_RA
#undef LC_EMIT
- free_execfreq(birg->execfreqs);
+ be_free_birg(birg);
/* switched off due to statistics (statistic module needs all irgs) */
+#ifdef FIRM_STATISTICS
if (! stat_is_active())
+#endif
free_ir_graph(irg);
+
+ if(be_stat_ev_is_active()) {
+ be_stat_ev_pop();
+ }
}
be_profile_free();
be_done_env(&env);
{
#ifdef WITH_LIBCORE
lc_timer_t *t = NULL;
-#endif /* WITH_LIBCORE */
-#ifdef WITH_LIBCORE
/* The user specified another config file to read. do that now. */
if(strlen(config_file) > 0) {
FILE *f;
lc_timer_reset_and_start(t);
}
+
+#ifdef FIRM_STATISTICS
+ be_init_stat_file(be_options.stat_file_name, cup_name);
+#endif
#endif /* WITH_LIBCORE */
/* never build code for pseudo irgs */
set_visit_pseudo_irgs(0);
be_node_init();
+
be_main_loop(file_handle, cup_name);
#ifdef WITH_LIBCORE
if (be_options.timing == BE_TIME_ON) {
lc_timer_stop(t);
lc_timer_leave_high_priority();
- printf("%-20s: %lu msec\n", "BEMAINLOOP", lc_timer_elapsed_msec(t));
+ if(be_stat_ev_is_active()) {
+ be_stat_ev_l("backend_time", lc_timer_elapsed_msec(t));
+ } else {
+ printf("%-20s: %lu msec\n", "BEMAINLOOP", lc_timer_elapsed_msec(t));
+ }
}
+
+#ifdef FIRM_STATISTICS
+ be_close_stat_file();
+#endif
#endif /* WITH_LIBCORE */
}
const char *be_retrieve_dbg_info(const dbg_info *dbg, unsigned *line) {
if (retrieve_dbg)
return retrieve_dbg(dbg, line);
+
*line = 0;
return NULL;
}
arch_put_non_ignore_regs(birg->main_env->arch_env, cls, bs);
bitset_flip_all(bs);
be_abi_put_ignore_regs(birg->abi, cls, bs);
- return bitset_popcnt(bs);
+ return bitset_popcnt(bs);
}