X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbemain.c;h=07afa5d303a743351fa080abb1d2b46ff2bf2039;hb=6f068af98daa4725d60e5d23a8f98ec2841cfa44;hp=54da3badbea84227ee0fc9709e2b22bbeac91fa9;hpb=7a178059678ff6c6094a7cd8fac5644367417102;p=libfirm diff --git a/ir/be/bemain.c b/ir/be/bemain.c index 54da3badb..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. * @@ -43,12 +43,13 @@ #include "iredges_t.h" #include "irloop_t.h" #include "irtools.h" -#include "irvrfy.h" +#include "irverify.h" #include "irprintf.h" #include "iroptimize.h" #include "firmstat.h" #include "execfreq.h" #include "irprofile.h" +#include "irpass_t.h" #include "bearch.h" #include "be_t.h" @@ -67,39 +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_VRFY_WARN, /* verification level: warn */ - BE_SCHED_LIST, /* scheduler: list scheduler */ - "linux", /* target OS name */ + BE_VERIFY_WARN, /* verification level: warn */ "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; @@ -118,50 +110,31 @@ static const lc_opt_enum_mask_items_t dump_items[] = { }; /* verify options. */ -static const lc_opt_enum_int_items_t vrfy_items[] = { - { "off", BE_VRFY_OFF }, - { "warn", BE_VRFY_WARN }, - { "assert", BE_VRFY_ASSERT }, +static const lc_opt_enum_int_items_t verify_items[] = { + { "off", BE_VERIFY_OFF }, + { "warn", BE_VERIFY_WARN }, + { "assert", BE_VERIFY_ASSERT }, { 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 }; -static lc_opt_enum_int_var_t vrfy_var = { - &be_options.vrfy_option, vrfy_items -}; - -static lc_opt_enum_int_var_t sched_var = { - &be_options.scheduler, sched_items +static lc_opt_enum_int_var_t verify_var = { + &be_options.verify_option, verify_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", &vrfy_var), + 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)), @@ -173,7 +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) { @@ -238,7 +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; @@ -270,11 +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; } @@ -339,27 +312,12 @@ int be_parse_arg(const char *arg) return lc_opt_from_single_arg(be_grp, NULL, arg, NULL); } -/** The be parameters returned by default, all off. */ -static const backend_params be_params = { - 0, /* need dword lowering */ - 0, /* don't support inline assembler yet */ - NULL, /* will be set later */ - NULL, /* but yet no creator function */ - NULL, /* context for create_intrinsic_fkt */ - NULL, /* no if conversion settings */ - NULL, /* no float arithmetic mode */ - 0, /* no trampoline support: size 0 */ - 0, /* no trampoline support: align 0 */ - NULL, /* no trampoline support: no trampoline builder */ - 4 /* alignment of stack parameter */ -}; - /* Perform schedule verification if requested. */ -static void be_sched_vrfy(ir_graph *irg, int vrfy_opt) +static void be_sched_verify(ir_graph *irg, int verify_opt) { - if (vrfy_opt == BE_VRFY_WARN) { + if (verify_opt == BE_VERIFY_WARN) { be_verify_schedule(irg); - } else if (vrfy_opt == BE_VRFY_ASSERT) { + } else if (verify_opt == BE_VERIFY_ASSERT) { assert(be_verify_schedule(irg) && "Schedule verification failed."); } } @@ -380,9 +338,7 @@ void firm_be_finish(void) /* 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; + return isa_if->get_params(); } /** @@ -407,7 +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; } @@ -416,9 +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); @@ -445,6 +397,9 @@ static void dump(int mask, ir_graph *irg, const char *suffix) */ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) { + /* don't duplicate locals in backend when dumping... */ + ir_remove_dump_flags(ir_dump_flag_consts_local); + dump(DUMP_INITIAL, irg, "begin"); irg->be_data = birg; @@ -460,9 +415,6 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) /* set the current graph (this is important for several firm functions) */ current_ir_graph = irg; - /* Normalize proj nodes. */ - normalize_proj_nodes(irg); - /* we do this before critical edge split. As this produces less returns, because sometimes (= 164.gzip) multiple returns are slower */ normalize_n_returns(irg); @@ -479,8 +431,6 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) dump(DUMP_INITIAL, irg, "prepared"); } -#define BE_TIMER_ONLY(code) do { if (be_timing) { code; } } while (0) - int be_timing; static const char *get_timer_name(be_timer_id_t id) @@ -514,6 +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 @@ -526,7 +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; @@ -544,9 +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 @@ -572,32 +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; @@ -613,66 +589,63 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* Verify the initial graph */ be_timer_push(T_VERIFY); - if (be_options.vrfy_option == BE_VRFY_WARN) { - irg_verify(irg, VRFY_ENFORCE_SSA); + if (be_options.verify_option == BE_VERIFY_WARN) { + irg_verify(irg, VERIFY_ENFORCE_SSA); be_check_dominance(irg); - } else if (be_options.vrfy_option == BE_VRFY_ASSERT) { - assert(irg_verify(irg, VRFY_ENFORCE_SSA) && "irg verification failed"); + } else if (be_options.verify_option == BE_VERIFY_ASSERT) { + assert(irg_verify(irg, VERIFY_ENFORCE_SSA) && "irg verification failed"); assert(be_check_dominance(irg) && "Dominance verification failed"); } 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(birg); + arch_env->impl->init_graph(irg); /* some transformations need to be done before abi introduce */ - 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); - birg->abi = be_abi_introduce(birg); - be_timer_pop(T_ABI); - - dump(DUMP_ABI, irg, "abi"); - - /* do local optimizations */ - optimize_graph_df(irg); + if (!arch_env->custom_abi) { + be_timer_push(T_ABI); + be_abi_introduce(irg); + be_timer_pop(T_ABI); + dump(DUMP_ABI, irg, "abi"); + } /* we have to do cfopt+remove_critical_edges as we can't have Bad-blocks * or critical edges in the backend */ optimize_cf(irg); remove_critical_cf_edges(irg); - /* TODO: we often have dead code reachable through out-edges here. So for - * now we rebuild edges (as we need correct user count for code selection) - */ + /* We often have dead code reachable through out-edges here. So for + * now we rebuild edges (as we need correct user count for code + * selection) */ edges_deactivate(irg); edges_activate(irg); - dump(DUMP_PREPARED, irg, "pre_transform"); + dump(DUMP_PREPARED, irg, "before-code-selection"); - if (be_options.vrfy_option == BE_VRFY_WARN) { + if (be_options.verify_option == BE_VERIFY_WARN) { be_check_dominance(irg); - } else if (be_options.vrfy_option == BE_VRFY_ASSERT) { + } else if (be_options.verify_option == BE_VERIFY_ASSERT) { assert(be_check_dominance(irg) && "Dominance verification failed"); } - /* generate code */ + /* 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); - dump(DUMP_PREPARED, irg, "prepared"); - - if (be_options.vrfy_option == BE_VRFY_WARN) { + if (be_options.verify_option == BE_VERIFY_WARN) { be_check_dominance(irg); - } else if (be_options.vrfy_option == BE_VRFY_ASSERT) { + } else if (be_options.verify_option == BE_VERIFY_ASSERT) { 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 @@ -689,29 +662,18 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* disabled for now, fails for EmptyFor.c and XXEndless.c */ - /* be_live_chk_compare(birg); */ + /* be_live_chk_compare(irg); */ /* 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(birg, &be_options); - break; -#ifdef WITH_ILP - case BE_SCHED_ILP: - be_ilp_sched(birg, &be_options); - break; -#endif /* WITH_ILP */ - }; + be_schedule_graph(irg); be_timer_pop(T_SCHED); dump(DUMP_SCHED, irg, "sched"); /* check schedule */ be_timer_push(T_VERIFY); - be_sched_vrfy(irg, be_options.vrfy_option); + be_sched_verify(irg, be_options.verify_option); be_timer_pop(T_VERIFY); /* introduce patterns to assure constraints */ @@ -719,7 +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 */ @@ -731,19 +692,20 @@ 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) */ be_timer_push(T_ABI); - be_abi_fix_stack_nodes(birg->abi); + be_abi_fix_stack_nodes(irg); be_timer_pop(T_ABI); dump(DUMP_SCHED, irg, "fix_stack"); /* check schedule */ be_timer_push(T_VERIFY); - be_sched_vrfy(irg, be_options.vrfy_option); + be_sched_verify(irg, be_options.verify_option); be_timer_pop(T_VERIFY); stat_ev_if { @@ -756,28 +718,28 @@ 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 */ be_timer_push(T_ABI); - be_abi_fix_stack_nodes(birg->abi); + be_abi_fix_stack_nodes(irg); be_remove_dead_nodes_from_schedule(irg); - be_abi_fix_stack_bias(birg->abi); + be_abi_fix_stack_bias(irg); be_timer_pop(T_ABI); 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"); @@ -789,13 +751,13 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* check schedule and register allocation */ be_timer_push(T_VERIFY); - if (be_options.vrfy_option == BE_VRFY_WARN) { - irg_verify(irg, VRFY_ENFORCE_SSA); + if (be_options.verify_option == BE_VERIFY_WARN) { + irg_verify(irg, VERIFY_ENFORCE_SSA); be_check_dominance(irg); be_verify_schedule(irg); be_verify_register_allocation(irg); - } else if (be_options.vrfy_option == BE_VRFY_ASSERT) { - assert(irg_verify(irg, VRFY_ENFORCE_SSA) && "irg verification failed"); + } else if (be_options.verify_option == BE_VERIFY_ASSERT) { + assert(irg_verify(irg, VERIFY_ENFORCE_SSA) && "irg verification failed"); assert(be_check_dominance(irg) && "Dominance verification failed"); assert(be_verify_schedule(irg) && "Schedule verification failed"); assert(be_verify_register_allocation(irg) @@ -806,23 +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(birg->abi); - 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)); @@ -831,12 +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]); } @@ -845,6 +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); @@ -856,18 +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(); @@ -878,7 +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); @@ -890,10 +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 - - /* never build code for pseudo irgs */ - set_visit_pseudo_irgs(0); be_main_loop(file_handle, cup_name); @@ -908,26 +862,24 @@ 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 } -unsigned be_put_ignore_regs(const ir_graph *irg, - const arch_register_class_t *cls, bitset_t *bs) +static int do_lower_for_target(ir_prog *irp, void *context) { - 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_birg_from_irg(irg)->abi, cls, bs); + be_lower_for_target(); + (void) context; + (void) irp; + return 0; +} - return bitset_popcount(bs); +ir_prog_pass_t *lower_for_target_pass(const char *name) +{ + ir_prog_pass_t *pass = XMALLOCZ(ir_prog_pass_t); + return def_prog_pass_constructor(pass, + name ? name : "lower_for_target", + do_lower_for_target); }