X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbemain.c;h=01b1905e06aa4390000622648815e46c6dfc1343;hb=7c4e33eb7648d9e1cc7efcffc8682a2f27a570a3;hp=61e8e09a0f5ceed5aaf18f33a0bd983af4f12fa8;hpb=c3e48b153136c5786da9aa903e34b551e798b74d;p=libfirm diff --git a/ir/be/bemain.c b/ir/be/bemain.c index 61e8e09a0..01b1905e0 100644 --- a/ir/be/bemain.c +++ b/ir/be/bemain.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -31,9 +31,8 @@ #include #include -#include -#include -#include +#include "lc_opts.h" +#include "lc_opts_enum.h" #include "obst.h" #include "bitset.h" @@ -52,6 +51,7 @@ #include "iroptimize.h" #include "firmstat.h" #include "execfreq.h" +#include "irprofile.h" #include "bearch_t.h" #include "be_t.h" @@ -74,10 +74,11 @@ #include "beschedmris.h" #include "bestat.h" #include "beverify.h" -#include "beprofile.h" #include "be_dbgout.h" #include "beirg_t.h" +#define NEW_ID(s) new_id_from_chars(s, sizeof(s) - 1) + #ifdef WITH_ILP #include "beilpsched.h" #endif /* WITH_ILP */ @@ -88,9 +89,11 @@ static be_options_t be_options = { BE_TIME_OFF, /* no timing */ 0, /* no opt profile */ 0, /* try to omit frame pointer */ - 0, /* no stabs debugging output */ + 0, /* create PIC code */ + 0, /* create gprof compatible profiling code */ BE_VRFY_WARN, /* verification level: warn */ BE_SCHED_LIST, /* scheduler: list scheduler */ + "linux", /* target OS name */ "i44pc52.info.uni-karlsruhe.de", /* ilp server */ "cplex", /* ilp solver */ 0, /* enable statistic event dumping */ @@ -150,14 +153,16 @@ 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_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_BOOL ("pic", "create PIC code", &be_options.pic), + LC_OPT_ENT_BOOL ("gprof", "create gprof profiling code", &be_options.gprof), 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 ("os", "specify target operating system", &be_options.target_os, sizeof(be_options.target_os)), #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)), + LC_OPT_ENT_STR ("filtev", "filter for stat events (regex if support is active", &be_options.filtev, sizeof(be_options.filtev)), #endif #ifdef WITH_ILP @@ -171,7 +176,7 @@ 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) + if (isa_if == NULL) isa_if = isa; be_add_module_to_list(&isa_ifs, name, (void*) isa); @@ -221,8 +226,7 @@ static const backend_params be_params = { static void be_sched_vrfy(be_irg_t *birg, int vrfy_opt) { if (vrfy_opt == BE_VRFY_WARN) { be_verify_schedule(birg); - } - else if (vrfy_opt == BE_VRFY_ASSERT) { + } else if (vrfy_opt == BE_VRFY_ASSERT) { assert(be_verify_schedule(birg) && "Schedule verification failed."); } } @@ -247,35 +251,48 @@ const backend_params *be_init(void) static be_main_env_t *be_init_env(be_main_env_t *env, FILE *file_handle) { memset(env, 0, sizeof(*env)); - obstack_init(&env->obst); - env->arch_env = obstack_alloc(&env->obst, sizeof(env->arch_env[0])); - env->options = &be_options; + env->options = &be_options; + env->ent_trampoline_map = pmap_create(); + env->pic_trampolines_type = new_type_class(NEW_ID("$PIC_TRAMPOLINE_TYPE")); + env->ent_pic_symbol_map = pmap_create(); + env->pic_symbols_type = new_type_struct(NEW_ID("$PIC_SYMBOLS_TYPE")); + + remove_irp_type(env->pic_trampolines_type); + remove_irp_type(env->pic_symbols_type); + set_class_final(env->pic_trampolines_type, 1); - arch_env_init(env->arch_env, isa_if, file_handle, env); + arch_env_init(&env->arch_env, isa_if, file_handle, env); /* Register the irn handler of the architecture */ - if (arch_isa_get_irn_handler(env->arch_env->isa)) - arch_env_push_irn_handler(env->arch_env, arch_isa_get_irn_handler(env->arch_env->isa)); + if (arch_isa_get_irn_handler(env->arch_env.isa)) + arch_env_push_irn_handler(&env->arch_env, arch_isa_get_irn_handler(env->arch_env.isa)); /* * Register the node handler of the back end infrastructure. * This irn handler takes care of the platform independent * spill, reload and perm nodes. */ - arch_env_push_irn_handler(env->arch_env, &be_node_irn_handler); - env->phi_handler = be_phi_handler_new(env->arch_env); - arch_env_push_irn_handler(env->arch_env, env->phi_handler); + arch_env_push_irn_handler(&env->arch_env, &be_node_irn_handler); + env->phi_handler = be_phi_handler_new(&env->arch_env); + arch_env_push_irn_handler(&env->arch_env, env->phi_handler); - env->db_handle = be_options.stabs_debug_support ? be_stabs_open(file_handle) : be_nulldbg_open(); + be_dbg_open(); return env; } +/** + * Called when the be_main_env_t can be destroyed. + */ static void be_done_env(be_main_env_t *env) { - env->arch_env->isa->impl->done(env->arch_env->isa); - be_dbg_close(env->db_handle); + env->arch_env.isa->impl->done(env->arch_env.isa); + be_dbg_close(); be_phi_handler_free(env->phi_handler); - obstack_free(&env->obst, NULL); + + pmap_destroy(env->ent_trampoline_map); + pmap_destroy(env->ent_pic_symbol_map); + free_type(env->pic_trampolines_type); + free_type(env->pic_symbols_type); } /** @@ -308,7 +325,7 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) dump(DUMP_INITIAL, irg, "-begin", dump_ir_block_graph); - be_stat_init_irg(env->arch_env, irg); + be_stat_init_irg(&env->arch_env, irg); be_do_stat_nodes(irg, "01 Begin"); /* set the current graph (this is important for several firm functions) */ @@ -332,27 +349,31 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) dump(DUMP_INITIAL, irg, "-prepared", dump_ir_block_graph); } -#define BE_TIMER_PUSH(timer) \ - if (be_options.timing == BE_TIME_ON) { \ - int res = lc_timer_push(timer); \ - if (be_options.vrfy_option == BE_VRFY_ASSERT) \ - assert(res && "Timer already on stack, cannot be pushed twice."); \ - else if (be_options.vrfy_option == BE_VRFY_WARN && ! res) \ - fprintf(stderr, "Timer %s already on stack, cannot be pushed twice.\n", \ - lc_timer_get_name(timer)); \ - } -#define BE_TIMER_POP(timer) \ - if (be_options.timing == BE_TIME_ON) { \ - lc_timer_t *tmp = lc_timer_pop(); \ - if (be_options.vrfy_option == BE_VRFY_ASSERT) \ - assert(tmp == timer && "Attempt to pop wrong timer."); \ - else if (be_options.vrfy_option == BE_VRFY_WARN && tmp != timer) \ - fprintf(stderr, "Attempt to pop wrong timer. %s is on stack, trying to pop %s.\n", \ - lc_timer_get_name(tmp), lc_timer_get_name(timer)); \ - timer = tmp; \ - } - -#define BE_TIMER_ONLY(code) do { if (be_options.timing == BE_TIME_ON) { code; } } while(0) +#define BE_TIMER_ONLY(code) do { if (be_timing) { code; } } while(0) + +int be_timing; +ir_timer_t *t_abi; +ir_timer_t *t_codegen; +ir_timer_t *t_sched; +ir_timer_t *t_constr; +ir_timer_t *t_finish; +ir_timer_t *t_emit; +ir_timer_t *t_other; +ir_timer_t *t_verify; +ir_timer_t *t_heights; +ir_timer_t *t_live; +ir_timer_t *t_execfreq; +ir_timer_t *t_ssa_constr; +ir_timer_t *t_ra_constr; +ir_timer_t *t_ra_prolog; +ir_timer_t *t_ra_epilog; +ir_timer_t *t_ra_spill; +ir_timer_t *t_ra_spill_apply; +ir_timer_t *t_ra_color; +ir_timer_t *t_ra_ifg; +ir_timer_t *t_ra_copymin; +ir_timer_t *t_ra_ssa; +ir_timer_t *t_ra_other; /** * The Firm backend main loop. @@ -367,44 +388,47 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) int i; arch_isa_t *isa; be_main_env_t env; - unsigned num_nodes_b = 0; - unsigned num_nodes_a = 0; - unsigned num_nodes_r = 0; char prof_filename[256]; static const char suffix[] = ".prof"; be_irg_t *birgs; int num_birgs; ir_graph **irg_list, **backend_irg_list; - lc_timer_t *t_abi = NULL; - lc_timer_t *t_codegen = NULL; - lc_timer_t *t_sched = NULL; - lc_timer_t *t_constr = NULL; - lc_timer_t *t_regalloc = NULL; - lc_timer_t *t_finish = NULL; - lc_timer_t *t_emit = NULL; - lc_timer_t *t_other = NULL; - lc_timer_t *t_verify = NULL; - - if (be_options.timing == BE_TIME_ON) { - t_abi = lc_timer_register("beabi", "be abi introduction"); - t_codegen = lc_timer_register("codegen", "codegeneration"); - t_sched = lc_timer_register("sched", "scheduling"); - t_constr = lc_timer_register("constr", "assure constraints"); - t_regalloc = lc_timer_register("regalloc", "register allocation"); - t_finish = lc_timer_register("finish", "graph finish"); - t_emit = lc_timer_register("emiter", "code emiter"); - t_verify = lc_timer_register("verify", "graph verification"); - t_other = lc_timer_register("other", "other"); + be_timing = (be_options.timing == BE_TIME_ON); + + if (be_timing) { + t_abi = ir_timer_register("time_beabi", "be abi introduction"); + t_codegen = ir_timer_register("time_codegen", "codegeneration"); + t_sched = ir_timer_register("time_sched", "scheduling"); + t_constr = ir_timer_register("time_constr", "assure constraints"); + t_finish = ir_timer_register("time_finish", "graph finish"); + t_emit = ir_timer_register("time_emiter", "code emiter"); + t_verify = ir_timer_register("time_verify", "graph verification"); + t_other = ir_timer_register("time_other", "other"); + t_heights = ir_timer_register("time_heights", "heights"); + t_live = ir_timer_register("time_liveness", "be liveness"); + t_execfreq = ir_timer_register("time_execfreq", "execfreq"); + t_ssa_constr = ir_timer_register("time_ssa_constr", "ssa reconstruction"); + t_ra_prolog = ir_timer_register("time_ra_prolog", "regalloc prolog"); + t_ra_epilog = ir_timer_register("time_ra_epilog", "regalloc epilog"); + t_ra_constr = ir_timer_register("time_ra_constr", "regalloc constraints"); + t_ra_spill = ir_timer_register("time_ra_spill", "spiller"); + t_ra_spill_apply + = ir_timer_register("time_ra_spill_apply", "apply spills"); + t_ra_color = ir_timer_register("time_ra_color", "graph coloring"); + t_ra_ifg = ir_timer_register("time_ra_ifg", "interference graph"); + t_ra_copymin = ir_timer_register("time_ra_copymin", "copy minimization"); + t_ra_ssa = ir_timer_register("time_ra_ssadestr", "ssa destruction"); + t_ra_other = ir_timer_register("time_ra_other", "regalloc other"); } be_init_env(&env, file_handle); env.cup_name = cup_name; - isa = arch_env_get_isa(env.arch_env); + isa = arch_env_get_isa(&env.arch_env); - be_dbg_so(env.db_handle, cup_name); - be_dbg_types(env.db_handle); + be_dbg_so(cup_name); + be_dbg_types(); /* backend may provide an ordered list of irgs where code should be generated for */ irg_list = NEW_ARR_F(ir_graph *, 0); @@ -437,7 +461,6 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) ir_graph *prof_init_irg = ir_profile_instrument(prof_filename, profile_default); initialize_birg(&birgs[num_birgs], prof_init_irg, &env); num_birgs++; - set_method_img_section(get_irg_entity(prof_init_irg), section_constructors); } else { ir_profile_read(prof_filename); } @@ -452,23 +475,14 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* set the current graph (this is important for several firm functions) */ current_ir_graph = irg; + be_sched_init_phase(irg); + /* 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( - LC_STOP_AND_RESET_TIMER(t_abi); - LC_STOP_AND_RESET_TIMER(t_codegen); - LC_STOP_AND_RESET_TIMER(t_sched); - LC_STOP_AND_RESET_TIMER(t_constr); - LC_STOP_AND_RESET_TIMER(t_regalloc); - LC_STOP_AND_RESET_TIMER(t_finish); - LC_STOP_AND_RESET_TIMER(t_emit); - LC_STOP_AND_RESET_TIMER(t_verify); - LC_STOP_AND_RESET_TIMER(t_other); - ); BE_TIMER_PUSH(t_other); /* t_other */ /* Verify the initial graph */ @@ -482,8 +496,6 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) } BE_TIMER_POP(t_verify); - BE_TIMER_ONLY(num_nodes_b = get_num_reachable_nodes(irg)); - /* Get the code generator interface. */ cg_if = isa->impl->get_code_generator_if(isa); @@ -522,7 +534,6 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) be_do_stat_nodes(irg, "03 Prepare"); dump(DUMP_PREPARED, irg, "-prepared", dump_ir_block_graph); - BE_TIMER_ONLY(num_nodes_r = get_num_reachable_nodes(irg)); if (be_options.vrfy_option == BE_VRFY_WARN) { be_check_dominance(irg); @@ -532,6 +543,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) assert(be_check_dominance(irg) && "Dominance verification failed"); } + BE_TIMER_PUSH(t_execfreq); /** * Create execution frequencies from profile data or estimate some */ @@ -539,6 +551,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) birg->exec_freq = ir_create_execfreqs_from_profile(irg); else birg->exec_freq = compute_execfreq(irg, 10); + BE_TIMER_POP(t_execfreq); /* disabled for now, fails for EmptyFor.c and XXEndless.c */ @@ -615,16 +628,14 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) //be_do_stat_reg_pressure(birg); #ifdef FIRM_STATISTICS - stat_ev_dbl("costs_before_ra", 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 */ - BE_TIMER_PUSH(t_regalloc); be_allocate_registers(birg); - BE_TIMER_POP(t_regalloc); #ifdef FIRM_STATISTICS - stat_ev_dbl("costs_before_ra", 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); @@ -683,48 +694,50 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) be_do_stat_nodes(irg, "07 Final"); restore_optimization_state(&state); - 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); \ - stat_ev_dbl(lc_timer_get_name(timer), lc_timer_elapsed_msec(timer)); +#define STOP_AND_RESET_TIMER(timer) do { ir_timer_stop(timer); ir_timer_reset(timer); } while(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); \ - stat_ev_dbl(lc_timer_get_name(timer), lc_timer_elapsed_msec(timer)); \ +#define LC_EMIT(timer) \ + stat_ev_if { \ + stat_ev_dbl(ir_timer_get_name(timer), ir_timer_elapsed_msec(timer)); \ + } else { \ + printf("%-20s: %8.3lf msec\n", ir_timer_get_description(timer), (double)ir_timer_elapsed_usec(timer) / 1000.0); \ + } \ + STOP_AND_RESET_TIMER(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); + stat_ev_if { + } else { + printf("==>> IRG %s <<==\n", get_entity_name(get_irg_entity(irg))); + } LC_EMIT(t_abi); LC_EMIT(t_codegen); LC_EMIT(t_sched); + LC_EMIT(t_live); + LC_EMIT(t_heights); + LC_EMIT(t_ssa_constr); LC_EMIT(t_constr); - LC_EMIT(t_regalloc); - if(global_ra_timer != NULL) { - LC_EMIT_RA(global_ra_timer->t_prolog); - LC_EMIT_RA(global_ra_timer->t_live); - LC_EMIT_RA(global_ra_timer->t_spill); - LC_EMIT_RA(global_ra_timer->t_spillslots); - LC_EMIT_RA(global_ra_timer->t_color); - LC_EMIT_RA(global_ra_timer->t_ifg); - LC_EMIT_RA(global_ra_timer->t_copymin); - LC_EMIT_RA(global_ra_timer->t_ssa); - LC_EMIT_RA(global_ra_timer->t_epilog); - LC_EMIT_RA(global_ra_timer->t_verify); - LC_EMIT_RA(global_ra_timer->t_other); - } + LC_EMIT(t_execfreq); + LC_EMIT(t_ra_prolog); + LC_EMIT(t_ra_spill); + LC_EMIT(t_ra_spill_apply); + LC_EMIT(t_ra_constr); + LC_EMIT(t_ra_color); + LC_EMIT(t_ra_ifg); + LC_EMIT(t_ra_copymin); + LC_EMIT(t_ra_ssa); + LC_EMIT(t_ra_epilog); + LC_EMIT(t_ra_other); LC_EMIT(t_finish); LC_EMIT(t_emit); LC_EMIT(t_verify); LC_EMIT(t_other); ); -#undef LC_EMIT_RA #undef LC_EMIT + be_sched_free_phase(irg); + be_free_birg(birg); /* switched off due to statistics (statistic module needs all irgs) */ @@ -738,16 +751,12 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) } ir_profile_free(); be_done_env(&env); - -#undef BE_TIMER_POP -#undef BE_TIMER_PUSH -#undef BE_TIMER_ONLY } /* Main interface to the frontend. */ void be_main(FILE *file_handle, const char *cup_name) { - lc_timer_t *t = NULL; + ir_timer_t *t = NULL; /* The user specified another config file to read. do that now. */ if(strlen(config_file) > 0) { @@ -760,13 +769,13 @@ void be_main(FILE *file_handle, const char *cup_name) } if (be_options.timing == BE_TIME_ON) { - t = lc_timer_register("bemain", "measure complete bemain loop"); + t = ir_timer_register("bemain", "measure complete bemain loop"); - if (lc_timer_enter_high_priority()) { + if (ir_timer_enter_high_priority()) { fprintf(stderr, "Warning: Could not enter high priority mode.\n"); } - lc_timer_reset_and_start(t); + ir_timer_reset_and_start(t); } #ifdef FIRM_STATISTICS @@ -778,7 +787,7 @@ void be_main(FILE *file_handle, const char *cup_name) buf[pos - cup_name] = '\0'; be_options.statev = 1; - stat_ev_begin(buf, be_options.printev); + stat_ev_begin(buf, be_options.filtev); } #endif @@ -790,10 +799,13 @@ void be_main(FILE *file_handle, const char *cup_name) be_main_loop(file_handle, cup_name); if (be_options.timing == BE_TIME_ON) { - lc_timer_stop(t); - lc_timer_leave_high_priority(); - stat_ev_dbl("backend_time", lc_timer_elapsed_msec(t)); - printf("%-20s: %lu msec\n", "BEMAINLOOP", lc_timer_elapsed_msec(t)); + ir_timer_stop(t); + ir_timer_leave_high_priority(); + stat_ev_if { + stat_ev_dbl("backend_time", ir_timer_elapsed_msec(t)); + } else { + printf("%-20s: %lu msec\n", "BEMAINLOOP", ir_timer_elapsed_msec(t)); + } } #ifdef FIRM_STATISTICS @@ -810,7 +822,7 @@ unsigned be_put_ignore_regs(const be_irg_t *birg, const arch_register_class_t *c bitset_clear_all(bs); assert(bitset_size(bs) == (unsigned)cls->n_regs); - arch_put_non_ignore_regs(birg->main_env->arch_env, cls, bs); + 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);