X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbemain.c;h=1cd2c1a9e78eac375235cef02f9481268dcc2b91;hb=80a6158fdd766f42ee6c508a773bc114ff1b61f3;hp=751c445e2f833904472478be1850ab8b9e8e4b97;hpb=48f0393daa5d5a14ed7e3e32ee2b090759c9371e;p=libfirm diff --git a/ir/be/bemain.c b/ir/be/bemain.c index 751c445e2..1cd2c1a9e 100644 --- a/ir/be/bemain.c +++ b/ir/be/bemain.c @@ -30,6 +30,7 @@ #include "irloop_t.h" #include "irtools.h" #include "irvrfy.h" +#include "irprintf.h" #include "return.h" #include "firmstat.h" #include "cfopt.h" @@ -43,7 +44,7 @@ #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" @@ -68,6 +69,10 @@ #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 */ @@ -76,6 +81,7 @@ static be_options_t be_options = { 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 */ }; @@ -83,16 +89,11 @@ static be_options_t be_options = { /* 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; #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 }, @@ -107,17 +108,11 @@ static const lc_opt_enum_mask_items_t dump_items[] = { { 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 + { "sta", &sta_isa_if }, { "arm", &arm_isa_if }, { "ppc32", &ppc32_isa_if }, { "mips", &mips_isa_if }, @@ -133,12 +128,17 @@ static const lc_opt_enum_int_items_t vrfy_items[] = { { NULL, 0 } }; -static lc_opt_enum_mask_var_t dump_var = { - &be_options.dump_flags, dump_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 ra_var = { - (const void **) &ra, ra_items +static lc_opt_enum_mask_var_t dump_var = { + &be_options.dump_flags, dump_items }; static lc_opt_enum_const_ptr_var_t isa_var = { @@ -149,16 +149,21 @@ 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)), @@ -172,45 +177,30 @@ static const lc_opt_table_entry_t be_main_options[] = { 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); - } - - /* 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); - } + if (run_once) { + return; + } + run_once = 1; - /* scheduler register options */ - list_sched_register_options(be_grp_root); + be_init_modules(); - be_block_schedule_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); #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 */ @@ -238,11 +228,7 @@ static void be_sched_vrfy(ir_graph *irg, int vrfy_opt) { 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) @@ -337,16 +323,9 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) /* 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); } @@ -477,10 +456,20 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) 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] = ""; + 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); @@ -495,13 +484,24 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) ); 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)); @@ -543,7 +543,6 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) 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)); @@ -554,7 +553,20 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* 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); @@ -601,11 +613,25 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) 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"); @@ -663,13 +689,25 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) 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); @@ -694,11 +732,17 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) #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); @@ -713,9 +757,7 @@ void be_main(FILE *file_handle, const char *cup_name) { #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; @@ -735,20 +777,33 @@ void be_main(FILE *file_handle, const char *cup_name) 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 */ } @@ -764,6 +819,7 @@ void be_set_debug_retrieve(retrieve_dbg_func func) { const char *be_retrieve_dbg_info(const dbg_info *dbg, unsigned *line) { if (retrieve_dbg) return retrieve_dbg(dbg, line); + *line = 0; return NULL; } @@ -779,6 +835,6 @@ int be_put_ignore_regs(const be_irg_t *birg, const arch_register_class_t *cls, b 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); }