X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbemain.c;h=e661f4a08956356f8b4acf972848465a2af929a1;hb=ee219efe0bdf11f6a392436a2444fc48895a227b;hp=6c0343c868f3db3fdc86d516d1572d798cb799a4;hpb=4f403660a6fcd21191bae7cf816bcbd013b28de6;p=libfirm diff --git a/ir/be/bemain.c b/ir/be/bemain.c index 6c0343c86..e661f4a08 100644 --- a/ir/be/bemain.c +++ b/ir/be/bemain.c @@ -49,9 +49,7 @@ #include "irtools.h" #include "irvrfy.h" #include "irprintf.h" -#include "return.h" #include "firmstat.h" -#include "cfopt.h" #include "execfreq.h" #include "bearch_t.h" @@ -89,13 +87,14 @@ static be_options_t be_options = { DUMP_NONE, /* dump flags */ BE_TIME_OFF, /* no timing */ 0, /* no opt profile */ - 1, /* try to omit frame pointer */ + 0, /* try to omit frame pointer */ 0, /* no 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 */ - "", /* filename for statistic output */ + 0, /* enable statistic event dumping */ + "", /* print stat events */ }; /* config file. */ @@ -150,19 +149,22 @@ static lc_opt_enum_int_var_t sched_var = { 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_NEGBOOL ("noomitfp", "do not omit frame pointer", &be_options.omit_fp), + LC_OPT_ENT_BOOL ("omitfp", "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 FIRM_STATISTICS + LC_OPT_ENT_BOOL ("statev", "dump statistic events", &be_options.statev), + LC_OPT_ENT_STR ("filtev", "filter for stat events (regex if support is active", &be_options.printev, sizeof(be_options.printev)), +#endif #ifdef WITH_ILP LC_OPT_ENT_STR ("ilp.server", "the ilp server name", be_options.ilp_server, sizeof(be_options.ilp_server)), LC_OPT_ENT_STR ("ilp.solver", "the ilp solver name", be_options.ilp_solver, sizeof(be_options.ilp_solver)), #endif /* WITH_ILP */ - { NULL } + LC_OPT_LAST }; static be_module_list_entry_t *isa_ifs = NULL; @@ -205,11 +207,14 @@ int be_parse_arg(const char *arg) { } /** The be parameters returned by default, all off. */ -const static backend_params be_params = { - NULL, - NULL, - 0, - NULL, +static const backend_params be_params = { + 0, /* need dword lowering */ + 0, /* don't support inlien assembler yet */ + NULL, /* no additional opcodes */ + NULL, /* will be set later */ + NULL, /* but yet no creator function */ + NULL, /* context for create_intrinsic_fkt */ + NULL, /* no if conversion settings */ }; /* Perform schedule verification if requested. */ @@ -312,8 +317,9 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) /* Normalize proj nodes. */ normalize_proj_nodes(irg); - /* Make just one return node. */ - normalize_one_return(irg); + /* we do this before critical edge split. As this produces less returns, + because sometimes (= 164.gzip) multiple returns are slower */ + normalize_n_returns(irg); /* Remove critical edges */ remove_critical_cf_edges(irg); @@ -321,10 +327,9 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) /* Ensure, that the ir_edges are computed. */ edges_assure(irg); - /* reset the phi handler. */ - be_phi_handler_reset(env->phi_handler); - set_irg_phase_state(irg, phase_backend); + + dump(DUMP_INITIAL, irg, "-prepared", dump_ir_block_graph); } #define BE_TIMER_PUSH(timer) \ @@ -442,19 +447,14 @@ 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 + /* reset the phi handler. */ + be_phi_handler_reset(env.phi_handler); + + stat_ev_ctx_push_fobj("bemain_irg", irg); /* stop and reset timers */ BE_TIMER_ONLY( @@ -492,9 +492,6 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* some transformations need to be done before abi introduce */ arch_code_generator_before_abi(birg->cg); - /* reset the phi handler. */ - be_phi_handler_reset(env.phi_handler); - /* implement the ABI conventions. */ BE_TIMER_PUSH(t_abi); birg->abi = be_abi_introduce(birg); @@ -512,9 +509,14 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) } /* generate code */ + stat_ev_ctx_push_str("bemain_phase", "prepare"); BE_TIMER_PUSH(t_codegen); arch_code_generator_prepare_graph(birg->cg); BE_TIMER_POP(t_codegen); + stat_ev_ctx_pop("bemain_phase"); + + /* reset the phi handler. */ + be_phi_handler_reset(env.phi_handler); be_do_stat_nodes(irg, "03 Prepare"); @@ -532,16 +534,21 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /** * Create execution frequencies from profile data or estimate some */ - if (be_profile_has_data()) { + if (be_profile_has_data()) birg->exec_freq = be_create_execfreqs_from_profile(irg); - } else { + else birg->exec_freq = compute_execfreq(irg, 10); - } + + + /* disabled for now, fails for EmptyFor.c and XXEndless.c */ + /* be_live_chk_compare(birg); */ /* let backend prepare scheduling */ + stat_ev_ctx_push_str("bemain_phase", "before_sched"); BE_TIMER_PUSH(t_codegen); arch_code_generator_before_sched(birg->cg); BE_TIMER_POP(t_codegen); + stat_ev_ctx_pop("bemain_phase"); /* schedule the irg */ BE_TIMER_PUSH(t_sched); @@ -601,13 +608,10 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) BE_TIMER_POP(t_verify); /* do some statistics */ - be_do_stat_reg_pressure(birg); + //be_do_stat_reg_pressure(birg); #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)); - } + stat_ev_dbl("costs_before_ra", be_estimate_irg_costs(irg, env.arch_env, birg->exec_freq)); #endif /* Do register allocation */ @@ -616,10 +620,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) 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)); - } + stat_ev_dbl("costs_before_ra", be_estimate_irg_costs(irg, env.arch_env, birg->exec_freq)); #endif dump(DUMP_RA, irg, "-ra", dump_ir_block_graph_sched); @@ -633,7 +634,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* fix stack offsets */ BE_TIMER_PUSH(t_abi); be_abi_fix_stack_nodes(birg->abi); - be_remove_dead_nodes_from_schedule(irg); + be_remove_dead_nodes_from_schedule(birg); be_abi_fix_stack_bias(birg->abi); BE_TIMER_POP(t_abi); @@ -652,13 +653,13 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) be_check_dominance(irg); be_verify_out_edges(irg); be_verify_schedule(birg); - be_verify_register_allocation(env.arch_env, irg); + be_verify_register_allocation(birg); } else if (be_options.vrfy_option == BE_VRFY_ASSERT) { assert(irg_verify(irg, VRFY_ENFORCE_SSA) && "irg verification failed"); assert(be_verify_out_edges(irg) && "out edge verification failed"); assert(be_check_dominance(irg) && "Dominance verification failed"); assert(be_verify_schedule(birg) && "Schedule verification failed"); - assert(be_verify_register_allocation(env.arch_env, irg) + assert(be_verify_register_allocation(birg) && "register allocation verification failed"); } @@ -682,24 +683,18 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) BE_TIMER_POP(t_other); #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)); \ - } + stat_ev_dbl(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)); \ - } + stat_ev_dbl(lc_timer_get_name(timer), lc_timer_elapsed_msec(timer)); \ + BE_TIMER_ONLY( - 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); - } + 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); @@ -735,9 +730,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) #endif /* FIRM_STATISTICS */ free_ir_graph(irg); #endif /* if 0 */ - if(be_stat_ev_is_active()) { - be_stat_ev_pop(); - } + stat_ev_ctx_pop("bemain_irg"); } be_profile_free(); be_done_env(&env); @@ -773,7 +766,16 @@ void be_main(FILE *file_handle, const char *cup_name) } #ifdef FIRM_STATISTICS - be_init_stat_file(be_options.stat_file_name, cup_name); + if (be_options.statev) { + const char *dot = strrchr(cup_name, '.'); + const char *pos = dot ? dot : cup_name + strlen(cup_name); + char *buf = alloca(pos - cup_name + 1); + strncpy(buf, cup_name, pos - cup_name); + buf[pos - cup_name] = '\0'; + + be_options.statev = 1; + stat_ev_begin(buf, be_options.printev); + } #endif /* never build code for pseudo irgs */ @@ -786,15 +788,13 @@ void be_main(FILE *file_handle, const char *cup_name) if (be_options.timing == BE_TIME_ON) { lc_timer_stop(t); lc_timer_leave_high_priority(); - 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)); - } + stat_ev_dbl("backend_time", lc_timer_elapsed_msec(t)); + printf("%-20s: %lu msec\n", "BEMAINLOOP", lc_timer_elapsed_msec(t)); } #ifdef FIRM_STATISTICS - be_close_stat_file(); + if (be_options.statev) + stat_ev_end(); #endif } @@ -815,14 +815,14 @@ const char *be_retrieve_dbg_info(const dbg_info *dbg, unsigned *line) { return NULL; } -int be_put_ignore_regs(const be_irg_t *birg, const arch_register_class_t *cls, bitset_t *bs) +unsigned be_put_ignore_regs(const be_irg_t *birg, const arch_register_class_t *cls, bitset_t *bs) { - if(bs == NULL) + if (bs == NULL) bs = bitset_alloca(cls->n_regs); else bitset_clear_all(bs); - assert(bitset_size(bs) == (unsigned) cls->n_regs); + assert(bitset_size(bs) == (unsigned)cls->n_regs); 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);