X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbemain.c;h=b4ccce504c510c94f7a7081d1ca5e638534e3098;hb=b7936c30acf06e28df82497df4ff2779e6b84b4b;hp=27c8153a18c7059e30fbf48f65b1cd636e160f0b;hpb=049e7746fb729a28e90e69f02899c76c7b98b275;p=libfirm diff --git a/ir/be/bemain.c b/ir/be/bemain.c index 27c8153a1..b4ccce504 100644 --- a/ir/be/bemain.c +++ b/ir/be/bemain.c @@ -77,6 +77,8 @@ #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 */ @@ -87,9 +89,12 @@ 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, /* try to omit leaf frame pointer */ + 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 */ @@ -146,17 +151,20 @@ 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_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 ("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 ("omitleaffp", "omit frame pointer in leaf routines", &be_options.omit_leaf_fp), + 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_BOOL ("statev", "dump statistic events", &be_options.statev), + 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 @@ -170,7 +178,7 @@ 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); @@ -208,30 +216,35 @@ int be_parse_arg(const char *arg) { /** The be parameters returned by default, all off. */ static const backend_params be_params = { 0, /* need dword lowering */ - 0, /* don't support inlien assembler yet */ + 0, /* don't support inline assembler yet */ + 0, /* no immediate floating point mode. */ 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 */ + NULL /* no immediate fp mode */ }; /* Perform schedule verification if requested. */ 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."); } } -/* Initialize the Firm backend. Must be run BEFORE init_firm()! */ -const backend_params *be_init(void) +/* Initialize the Firm backend. Must be run first in init_firm()! */ +void firm_be_init(void) { be_opt_register(); be_init_modules(); +} +/* Returns the backend parameter */ +const backend_params *be_get_backend_param(void) +{ if (isa_if->get_params) return isa_if->get_params(); return &be_params; @@ -246,35 +259,37 @@ 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")); - arch_env_init(env->arch_env, isa_if, file_handle, env); + remove_irp_type(env->pic_trampolines_type); + remove_irp_type(env->pic_symbols_type); + set_class_final(env->pic_trampolines_type, 1); - /* 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)); + env->arch_env = arch_env_init(isa_if, file_handle, env); - /* - * 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); - - env->db_handle = be_options.stabs_debug_support ? be_stabs_open(file_handle) : be_nulldbg_open(); + be_phi_handler_new(env); + + 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); - be_phi_handler_free(env->phi_handler); - obstack_free(&env->obst, NULL); + arch_env_done(env->arch_env); + be_dbg_close(); + be_phi_handler_free(); + + 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); } /** @@ -321,7 +336,7 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) normalize_n_returns(irg); /* Remove critical edges */ - remove_critical_cf_edges(irg); + remove_critical_cf_edges_ex(irg, /*ignore_exception_edges=*/0); /* Ensure, that the ir_edges are computed. */ edges_assure(irg); @@ -368,24 +383,24 @@ ir_timer_t *t_ra_other; static void be_main_loop(FILE *file_handle, const char *cup_name) { int i; - arch_isa_t *isa; be_main_env_t env; char prof_filename[256]; static const char suffix[] = ".prof"; be_irg_t *birgs; int num_birgs; ir_graph **irg_list, **backend_irg_list; + arch_env_t *arch_env; be_timing = (be_options.timing == BE_TIME_ON); if (be_timing) { - t_abi = ir_timer_register("time_beabi", "be abi introduction"); + 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_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_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"); @@ -407,14 +422,14 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) be_init_env(&env, file_handle); env.cup_name = cup_name; - isa = arch_env_get_isa(env.arch_env); + be_dbg_so(cup_name); + be_dbg_types(); - be_dbg_so(env.db_handle, cup_name); - be_dbg_types(env.db_handle); + arch_env = env.arch_env; /* backend may provide an ordered list of irgs where code should be generated for */ irg_list = NEW_ARR_F(ir_graph *, 0); - backend_irg_list = arch_isa_get_backend_irg_list(isa, &irg_list); + backend_irg_list = arch_env_get_backend_irg_list(arch_env, &irg_list); /* we might need 1 birg more for instrumentation constructor */ num_birgs = backend_irg_list ? ARR_LEN(backend_irg_list) : get_irp_n_irgs(); @@ -443,7 +458,6 @@ 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); } @@ -458,10 +472,16 @@ 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; +#if 0 + { + unsigned percent = 100*i/num_birgs; + ir_printf("%u.%02u %+F\n", percent/100, percent%100, irg); + } +#endif be_sched_init_phase(irg); /* reset the phi handler. */ - be_phi_handler_reset(env.phi_handler); + be_phi_handler_reset(); stat_ev_ctx_push_fobj("bemain_irg", irg); @@ -480,7 +500,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) BE_TIMER_POP(t_verify); /* Get the code generator interface. */ - cg_if = isa->impl->get_code_generator_if(isa); + cg_if = arch_env_get_code_generator_if(arch_env); /* get a code generator for this graph. */ birg->cg = cg_if->init(birg); @@ -512,7 +532,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) stat_ev_ctx_pop("bemain_phase"); /* reset the phi handler. */ - be_phi_handler_reset(env.phi_handler); + be_phi_handler_reset(); be_do_stat_nodes(irg, "03 Prepare"); @@ -611,14 +631,14 @@ 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, arch_env, birg->exec_freq)); #endif /* Do register allocation */ be_allocate_registers(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, arch_env, birg->exec_freq)); #endif dump(DUMP_RA, irg, "-ra", dump_ir_block_graph_sched); @@ -770,7 +790,7 @@ 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