X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbemain.c;h=07afa5d303a743351fa080abb1d2b46ff2bf2039;hb=ae9fd2c229cc7f4c724ce9ccc9263c16d77670fe;hp=d75943e458bb3c207d147f242ca297bffd0dbc1c;hpb=fca4a7571e9936920b4a116317826f796789cb15;p=libfirm diff --git a/ir/be/bemain.c b/ir/be/bemain.c index d75943e45..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. * @@ -68,40 +68,30 @@ #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) -#ifdef WITH_ILP -#include "beilpsched.h" -#endif /* WITH_ILP */ - /* options visible for anyone */ 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 */ - 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 */ "", /* 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; @@ -127,15 +117,6 @@ static const lc_opt_enum_int_items_t verify_items[] = { { NULL, 0 } }; -/* scheduling options. */ -static const lc_opt_enum_int_items_t sched_items[] = { - { "list", BE_SCHED_LIST }, -#ifdef WITH_ILP - { "ilp", BE_SCHED_ILP }, -#endif /* WITH_ILP */ - { NULL, 0 } -}; - static lc_opt_enum_mask_var_t dump_var = { &be_options.dump_flags, dump_items }; @@ -144,26 +125,16 @@ static lc_opt_enum_int_var_t verify_var = { &be_options.verify_option, verify_items }; -static lc_opt_enum_int_var_t sched_var = { - &be_options.scheduler, sched_items -}; - 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_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 ("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)), @@ -175,7 +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) { @@ -240,7 +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; @@ -272,11 +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; } @@ -392,7 +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; } @@ -401,9 +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); @@ -497,6 +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 @@ -509,7 +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; @@ -527,9 +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 @@ -555,32 +550,30 @@ 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]; ir_graph *irg = birg->irg; optimization_state_t state; - const arch_code_generator_if_t *cg_if; /* set the current graph (this is important for several firm functions) */ current_ir_graph = irg; @@ -605,22 +598,18 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) } be_timer_pop(T_VERIFY); - /* Get the code generator interface. */ - cg_if = arch_env_get_code_generator_if(arch_env); - /* get a code generator for this graph. */ - birg->cg = cg_if->init(irg); + arch_env->impl->init_graph(irg); /* some transformations need to be done before abi introduce */ - assert(birg->cg->impl->before_abi == NULL || !arch_env->custom_abi); - arch_code_generator_before_abi(birg->cg); + if (arch_env->impl->before_abi != NULL) + 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"); } @@ -645,7 +634,8 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* perform codeselection */ be_timer_push(T_CODEGEN); - arch_code_generator_prepare_graph(birg->cg); + if (arch_env->impl->prepare_graph != NULL) + arch_env->impl->prepare_graph(irg); be_timer_pop(T_CODEGEN); if (be_options.verify_option == BE_VERIFY_WARN) { @@ -654,6 +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 @@ -674,18 +666,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* schedule the irg */ be_timer_push(T_SCHED); - switch (be_options.scheduler) { - default: - fprintf(stderr, "Warning: invalid scheduler (%d) selected, falling back to list scheduler.\n", be_options.scheduler); - case BE_SCHED_LIST: - list_sched(irg); - break; -#ifdef WITH_ILP - case BE_SCHED_ILP: - be_ilp_sched(irg); - break; -#endif /* WITH_ILP */ - }; + be_schedule_graph(irg); be_timer_pop(T_SCHED); dump(DUMP_SCHED, irg, "sched"); @@ -700,7 +681,6 @@ 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 */ @@ -712,7 +692,8 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* stuff needs to be done after scheduling but before register allocation */ be_timer_push(T_RA_PREPARATION); - arch_code_generator_before_ra(birg->cg); + if (arch_env->impl->before_ra != NULL) + arch_env->impl->before_ra(irg); be_timer_pop(T_RA_PREPARATION); /* connect all stack modifying nodes together (see beabi.c) */ @@ -737,15 +718,14 @@ 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"); /* let the code generator prepare the graph for emitter */ be_timer_push(T_FINISH); - arch_code_generator_after_ra(birg->cg); + if (arch_env->impl->after_ra != NULL) + arch_env->impl->after_ra(irg); be_timer_pop(T_FINISH); /* fix stack offsets */ @@ -758,7 +738,8 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) dump(DUMP_SCHED, irg, "fix_stack_after_ra"); be_timer_push(T_FINISH); - arch_code_generator_finish(birg->cg); + if (arch_env->impl->finish != NULL) + arch_env->impl->finish(irg); be_timer_pop(T_FINISH); dump(DUMP_FINAL, irg, "finish"); @@ -787,23 +768,26 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* emit assembler code */ be_timer_push(T_EMIT); - arch_code_generator_done(birg->cg); + if (arch_env->impl->emit != NULL) + arch_env->impl->emit(irg); be_timer_pop(T_EMIT); 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)); @@ -812,12 +796,12 @@ 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]); } @@ -826,6 +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); @@ -837,18 +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(); @@ -859,7 +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); @@ -871,7 +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); @@ -886,18 +862,15 @@ 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; @@ -910,19 +883,3 @@ 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); -}