X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbemain.c;h=07afa5d303a743351fa080abb1d2b46ff2bf2039;hb=6f068af98daa4725d60e5d23a8f98ec2841cfa44;hp=9d1eb931ca2fee4e51688e6f910fc76f2d4723e3;hpb=a09efb2ccc91c6d720aa6aa8c5f7e3c562528b2a;p=libfirm diff --git a/ir/be/bemain.c b/ir/be/bemain.c index 9d1eb931c..07afa5d30 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. * @@ -73,6 +73,7 @@ #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) @@ -80,21 +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, /* 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; @@ -129,19 +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 ("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)), @@ -370,7 +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; } @@ -379,9 +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); @@ -477,17 +466,28 @@ ir_timer_t *be_timers[T_LAST+1]; void be_lower_for_target(void) { - int i; + size_t i; isa_if->lower_for_target(); /* set the phase to low */ - for (i = get_irp_n_irgs() - 1; i >= 0; --i) { - ir_graph *irg = get_irp_irg(i); + 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 @@ -500,7 +500,8 @@ 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; + int stat_active = 0; be_main_env_t env; char prof_filename[256]; be_irg_t *birgs; @@ -518,9 +519,12 @@ 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 @@ -546,23 +550,24 @@ 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) */ - sprintf(prof_filename, "%.*s%s\n", (int)(sizeof(prof_filename) - sizeof(suffix)), cup_name, 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) { @@ -639,6 +644,8 @@ 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 @@ -711,9 +718,7 @@ 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"); @@ -805,6 +810,12 @@ 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); @@ -816,18 +827,6 @@ 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(); @@ -838,7 +837,6 @@ 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); @@ -850,7 +848,6 @@ 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); @@ -865,12 +862,10 @@ 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)