X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=ir%2Fbe%2Fbemain.c;h=e64c25a7f746c2ad76698c8d6f7f2eb2f9d80308;hb=9c4dff8011d48f5b07dd665fce3a3afdfaea7df8;hp=69c0beb33825b553c4d296b2620425f5fd4bbf87;hpb=f46792d0e49d452ef92de2a802ae894c0ce30bbb;p=libfirm diff --git a/ir/be/bemain.c b/ir/be/bemain.c index 69c0beb33..e64c25a7f 100644 --- a/ir/be/bemain.c +++ b/ir/be/bemain.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -68,12 +68,12 @@ #include "bessadestr.h" #include "beabi.h" #include "belower.h" -#include "beschedmris.h" #include "bestat.h" #include "beverify.h" #include "be_dbgout.h" #include "beirg.h" #include "bestack.h" +#include "beemitter.h" #define NEW_ID(s) new_id_from_chars(s, sizeof(s) - 1) @@ -81,22 +81,17 @@ static be_options_t be_options = { DUMP_NONE, /* dump flags */ BE_TIME_OFF, /* no timing */ - 0, /* no opt profile */ + false, /* profile_generate */ + false, /* profile_use */ 0, /* try to omit frame pointer */ - 0, /* try to omit leaf frame pointer */ 0, /* create PIC code */ - 0, /* create gprof compatible profiling code */ BE_VERIFY_WARN, /* verification level: warn */ - "linux", /* target OS name */ "i44pc52.info.uni-karlsruhe.de", /* ilp server */ "cplex", /* ilp solver */ 0, /* enable statistic event dumping */ "", /* print stat events */ }; -/* config file. */ -static char config_file[256] = { 0 }; - /* back end instruction set architecture to use */ static const arch_isa_if_t *isa_if = NULL; @@ -131,20 +126,15 @@ static lc_opt_enum_int_var_t verify_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 ("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 ("verify", "verify the backend irg", &verify_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_STR ("os", "specify target operating system", &be_options.target_os, sizeof(be_options.target_os)), -#ifdef FIRM_STATISTICS + LC_OPT_ENT_BOOL ("profilegenerate", "instrument the code for execution count profiling", &be_options.opt_profile_generate), + LC_OPT_ENT_BOOL ("profileuse", "use existing profile data", &be_options.opt_profile_use), 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 LC_OPT_ENT_STR ("ilp.server", "the ilp server name", be_options.ilp_server, sizeof(be_options.ilp_server)), @@ -156,7 +146,7 @@ static const lc_opt_table_entry_t be_main_options[] = { static be_module_list_entry_t *isa_ifs = NULL; -unsigned short asm_constraint_flags[256]; +asm_constraint_flags_t asm_constraint_flags[256]; void be_init_default_asm_constraint_flags(void) { @@ -221,7 +211,7 @@ void be_init_default_asm_constraint_flags(void) asm_constraint_flags_t be_parse_asm_constraints(const char *constraint) { - asm_constraint_flags_t flags = 0; + asm_constraint_flags_t flags = ASM_CONSTRAINT_FLAG_NONE; const char *c; asm_constraint_flags_t tflags; @@ -253,11 +243,11 @@ asm_constraint_flags_t be_parse_asm_constraints(const char *constraint) } if (( - flags & ASM_CONSTRAINT_FLAG_MODIFIER_WRITE && - flags & ASM_CONSTRAINT_FLAG_MODIFIER_NO_WRITE + flags & ASM_CONSTRAINT_FLAG_MODIFIER_WRITE && + flags & ASM_CONSTRAINT_FLAG_MODIFIER_NO_WRITE ) || ( - flags & ASM_CONSTRAINT_FLAG_MODIFIER_READ && - flags & ASM_CONSTRAINT_FLAG_MODIFIER_NO_READ + flags & ASM_CONSTRAINT_FLAG_MODIFIER_READ && + flags & ASM_CONSTRAINT_FLAG_MODIFIER_NO_READ )) { flags |= ASM_CONSTRAINT_FLAG_INVALID; } @@ -373,7 +363,6 @@ static be_main_env_t *be_init_env(be_main_env_t *env, FILE *file_handle) memset(asm_constraint_flags, 0, sizeof(asm_constraint_flags)); env->arch_env = arch_env_init(isa_if, file_handle, env); - be_dbg_open(); return env; } @@ -382,9 +371,6 @@ static be_main_env_t *be_init_env(be_main_env_t *env, FILE *file_handle) */ static void be_done_env(be_main_env_t *env) { - arch_env_done(env->arch_env); - be_dbg_close(); - pmap_destroy(env->ent_trampoline_map); pmap_destroy(env->ent_pic_symbol_map); free_type(env->pic_trampolines_type); @@ -478,6 +464,30 @@ static const char *get_timer_name(be_timer_id_t id) } ir_timer_t *be_timers[T_LAST+1]; +void be_lower_for_target(void) +{ + size_t i; + + isa_if->lower_for_target(); + /* set the phase to low */ + for (i = get_irp_n_irgs(); i > 0;) { + ir_graph *irg = get_irp_irg(--i); + set_irg_phase_state(irg, phase_low); + } + set_irp_phase_state(phase_low); +} + +static void emit_global_asms(void) +{ + size_t n = get_irp_n_asms(); + size_t i; + for (i = 0; i < n; ++i) { + be_emit_cstring("#APP\n"); + be_emit_ident(get_irp_asm(i)); + be_emit_cstring("\n#NO_APP\n"); + } +} + /** * The Firm backend main loop. * Do architecture specific lowering for all graphs @@ -490,7 +500,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) { static const char suffix[] = ".prof"; - int i, num_birgs, stat_active = 0; + size_t i, num_birgs; be_main_env_t env; char prof_filename[256]; be_irg_t *birgs; @@ -508,9 +518,12 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) be_init_env(&env, file_handle); env.cup_name = cup_name; - be_dbg_so(cup_name); + be_dbg_open(); + be_dbg_unit_begin(cup_name); be_dbg_types(); + emit_global_asms(); + arch_env = env.arch_env; /* backend may provide an ordered list of irgs where code should be @@ -536,26 +549,23 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) Get the filename for the profiling data. Beware: '\0' is already included in sizeof(suffix) */ - memset(prof_filename, 0, sizeof(prof_filename)); - strncpy(prof_filename, cup_name, sizeof(prof_filename) - sizeof(suffix)); - strcat(prof_filename, suffix); - - /* - Next: Either instruments all irgs with profiling code - or try to read in profile data for current translation unit. - */ - if (be_options.opt_profile) { - ir_graph *prof_init_irg = ir_profile_instrument(prof_filename, profile_default); + sprintf(prof_filename, "%.*s%s", + (int)(sizeof(prof_filename) - sizeof(suffix)), cup_name, suffix); + + if (be_options.opt_profile_use) { + bool res = ir_profile_read(prof_filename); + if (!res) { + fprintf(stderr, "Warning: Couldn't read profile data '%s'\n", + prof_filename); + } + } + if (be_options.opt_profile_generate) { + ir_graph *prof_init_irg + = ir_profile_instrument(prof_filename); initialize_birg(&birgs[num_birgs], prof_init_irg, &env); num_birgs++; - } else { - ir_profile_read(prof_filename); } -#ifdef FIRM_STATISTICS - stat_active = stat_is_active(); -#endif /* FIRM_STATISTICS */ - /* For all graphs */ for (i = 0; i < num_birgs; ++i) { be_irg_t *birg = &birgs[i]; @@ -593,11 +603,10 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) arch_env->impl->before_abi(irg); /* implement the ABI conventions. */ - be_timer_push(T_ABI); - be_abi_introduce(irg); - be_timer_pop(T_ABI); - if (!arch_env->custom_abi) { + be_timer_push(T_ABI); + be_abi_introduce(irg); + be_timer_pop(T_ABI); dump(DUMP_ABI, irg, "abi"); } @@ -632,6 +641,8 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) assert(be_check_dominance(irg) && "Dominance verification failed"); } + dump(DUMP_PREPARED, irg, "code-selection"); + be_timer_push(T_EXECFREQ); /** * Create execution frequencies from profile data or estimate some @@ -652,7 +663,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* schedule the irg */ be_timer_push(T_SCHED); - list_sched(irg); + be_schedule_graph(irg); be_timer_pop(T_SCHED); dump(DUMP_SCHED, irg, "sched"); @@ -667,7 +678,6 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* we switch off optimizations here, because they might cause trouble */ save_optimization_state(&state); set_optimize(0); - set_opt_normalize(0); set_opt_cse(0); /* add Keeps for should_be_different constrained nodes */ @@ -705,9 +715,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* Do register allocation */ be_allocate_registers(irg); -#ifdef FIRM_STATISTICS stat_ev_dbl("bemain_costs_before_ra", be_estimate_irg_costs(irg, birg->exec_freq)); -#endif dump(DUMP_RA, irg, "ra"); @@ -763,18 +771,20 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) dump(DUMP_FINAL, irg, "end"); - be_timer_push(T_ABI); - be_abi_free(irg); - be_timer_pop(T_ABI); + if (!arch_env->custom_abi) { + be_timer_push(T_ABI); + be_abi_free(irg); + be_timer_pop(T_ABI); + } restore_optimization_state(&state); be_timer_pop(T_OTHER); if (be_timing) { - int t; + be_timer_id_t t; if (stat_ev_enabled) { - for (t = 0; t < T_LAST+1; ++t) { + for (t = T_FIRST; t < T_LAST+1; ++t) { char buf[128]; snprintf(buf, sizeof(buf), "bemain_time_%s", get_timer_name(t)); @@ -783,12 +793,12 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) } else { printf("==>> IRG %s <<==\n", get_entity_name(get_irg_entity(irg))); - for (t = 0; t < T_LAST+1; ++t) { + for (t = T_FIRST; t < T_LAST+1; ++t) { double val = ir_timer_elapsed_usec(be_timers[t]) / 1000.0; printf("%-20s: %8.3lf msec\n", get_timer_name(t), val); } } - for (t = 0; t < T_LAST+1; ++t) { + for (t = T_FIRST; t < T_LAST+1; ++t) { ir_timer_stop(be_timers[t]); ir_timer_reset(be_timers[t]); } @@ -797,6 +807,12 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) be_free_birg(irg); stat_ev_ctx_pop("bemain_irg"); } + + arch_env_done(arch_env); + + be_dbg_unit_end(); + be_dbg_close(); + ir_profile_free(); be_done_env(&env); @@ -808,18 +824,6 @@ void be_main(FILE *file_handle, const char *cup_name) { ir_timer_t *t = NULL; - /* The user specified another config file to read. do that now. */ - if (config_file[0] != '\0') { - FILE *f = fopen(config_file, "rt"); - - if (f != NULL) { - lc_opt_from_file(config_file, f, NULL); - fclose(f); - } else { - fprintf(stderr, "Warning: Cannot open config file '%s'\n", config_file); - } - } - if (be_options.timing == BE_TIME_ON) { t = ir_timer_new(); @@ -830,7 +834,6 @@ void be_main(FILE *file_handle, const char *cup_name) ir_timer_reset_and_start(t); } -#ifdef FIRM_STATISTICS if (be_options.statev) { const char *dot = strrchr(cup_name, '.'); const char *pos = dot ? dot : cup_name + strlen(cup_name); @@ -842,7 +845,6 @@ void be_main(FILE *file_handle, const char *cup_name) stat_ev_begin(buf, be_options.filtev); stat_ev_ctx_push_str("bemain_compilation_unit", cup_name); } -#endif be_main_loop(file_handle, cup_name); @@ -857,18 +859,15 @@ void be_main(FILE *file_handle, const char *cup_name) } } -#ifdef FIRM_STATISTICS if (be_options.statev) { stat_ev_ctx_pop("bemain_compilation_unit"); stat_ev_end(); } -#endif } static int do_lower_for_target(ir_prog *irp, void *context) { - const backend_params *be_params = be_get_backend_param(); - be_params->lower_for_target(); + be_lower_for_target(); (void) context; (void) irp; return 0; @@ -881,19 +880,3 @@ ir_prog_pass_t *lower_for_target_pass(const char *name) name ? name : "lower_for_target", do_lower_for_target); } - -unsigned be_put_ignore_regs(const ir_graph *irg, - const arch_register_class_t *cls, bitset_t *bs) -{ - if (bs == NULL) - bs = bitset_alloca(cls->n_regs); - else - bitset_clear_all(bs); - - assert(bitset_size(bs) == cls->n_regs); - arch_put_non_ignore_regs(cls, bs); - bitset_flip_all(bs); - be_abi_put_ignore_regs(be_get_irg_abi(irg), cls, bs); - - return bitset_popcount(bs); -}