X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbemain.c;h=48a95ed0f76c906510bae81ffb5e180d4eb03d3a;hb=29087feac9466883c278e53eec325d5e3099df1d;hp=acff68d20ac6d0697579a0812b7efc5dfe26c5a7;hpb=79adebd5f38d1e70a802150318da81bb3299de3a;p=libfirm diff --git a/ir/be/bemain.c b/ir/be/bemain.c index acff68d20..48a95ed0f 100644 --- a/ir/be/bemain.c +++ b/ir/be/bemain.c @@ -33,7 +33,7 @@ #include "obst.h" #include "bitset.h" - +#include "statev.h" #include "irprog.h" #include "irgopt.h" #include "irgraph.h" @@ -46,13 +46,14 @@ #include "irprintf.h" #include "iroptimize.h" #include "firmstat.h" -#include "execfreq.h" +#include "execfreq_t.h" #include "irprofile.h" #include "irpass_t.h" #include "ircons.h" #include "bearch.h" #include "be_t.h" +#include "begnuas.h" #include "bemodule.h" #include "beutil.h" #include "benode.h" @@ -362,27 +363,55 @@ const backend_params *be_get_backend_param(void) return isa_if->get_params(); } +int be_is_big_endian(void) +{ + return be_get_backend_param()->byte_order_big_endian; +} + +unsigned be_get_machine_size(void) +{ + return be_get_backend_param()->machine_size; +} + +ir_mode *be_get_mode_float_arithmetic(void) +{ + return be_get_backend_param()->mode_float_arithmetic; +} + +ir_type *be_get_type_long_long(void) +{ + return be_get_backend_param()->type_long_long; +} + +ir_type *be_get_type_unsigned_long_long(void) +{ + return be_get_backend_param()->type_unsigned_long_long; +} + +ir_type *be_get_type_long_double(void) +{ + return be_get_backend_param()->type_long_double; +} + /** * Initializes the main environment for the backend. * * @param env an empty environment * @param file_handle the file handle where the output will be written to */ -static be_main_env_t *be_init_env(be_main_env_t *env, FILE *file_handle, - const char *compilation_unit_name) +static be_main_env_t *be_init_env(be_main_env_t *const env, char const *const compilation_unit_name) { memset(env, 0, sizeof(*env)); - env->file_handle = file_handle; 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")); env->cup_name = compilation_unit_name; + env->arch_env = isa_if->begin_codegeneration(); set_class_final(env->pic_trampolines_type, 1); memset(asm_constraint_flags, 0, sizeof(asm_constraint_flags)); - env->arch_env = arch_env_begin_codegeneration(isa_if, env); return env; } @@ -426,13 +455,12 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) irg->be_data = birg; memset(birg, 0, sizeof(*birg)); - birg->irg = irg; birg->main_env = env; obstack_init(&birg->obst); birg->lv = be_liveness_new(irg); - edges_deactivate_kind(irg, EDGE_KIND_DEP); - edges_activate_kind(irg, EDGE_KIND_DEP); + edges_deactivate(irg); + edges_activate(irg); /* set the current graph (this is important for several firm functions) */ current_ir_graph = irg; @@ -449,9 +477,8 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) remove_bads(irg); /* Ensure, that the ir_edges are computed. */ - edges_assure(irg); + assure_edges(irg); - set_irg_phase_state(irg, phase_backend); be_info_init_irg(irg); dump(DUMP_INITIAL, irg, "prepared"); @@ -466,7 +493,6 @@ static const char *get_timer_name(be_timer_id_t id) case T_CODEGEN: return "codegen"; case T_RA_PREPARATION: return "ra_preparation"; case T_SCHED: return "sched"; - case T_SPLIT: return "split"; case T_CONSTR: return "constr"; case T_FINISH: return "finish"; case T_EMIT: return "emit"; @@ -476,7 +502,6 @@ static const char *get_timer_name(be_timer_id_t id) case T_LIVE: return "live"; case T_EXECFREQ: return "execfreq"; case T_SSA_CONSTR: return "ssa_constr"; - case T_RA_PROLOG: return "ra_prolog"; case T_RA_EPILOG: return "ra_epilog"; case T_RA_CONSTR: return "ra_constr"; case T_RA_SPILL: return "ra_spill"; @@ -497,16 +522,13 @@ void be_lower_for_target(void) initialize_isa(); - /* shouldn't lower program twice */ - assert(get_irp_phase_state() != phase_low); - 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); + assert(!irg_is_constrained(irg, IR_GRAPH_CONSTRAINT_TARGET_LOWERED)); + add_irg_constraints(irg, IR_GRAPH_CONSTRAINT_TARGET_LOWERED); } - set_irp_phase_state(phase_low); } /** @@ -532,7 +554,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) be_timing = (be_options.timing == BE_TIME_ON); /* perform target lowering if it didn't happen yet */ - if (get_irp_phase_state() != phase_low) + if (get_irp_n_irgs() > 0 && !irg_is_constrained(get_irp_irg(0), IR_GRAPH_CONSTRAINT_TARGET_LOWERED)) be_lower_for_target(); if (be_timing) { @@ -541,7 +563,10 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) } } - be_init_env(&env, file_handle, cup_name); + be_init_env(&env, cup_name); + + be_emit_init(file_handle); + be_gas_begin_compilation_unit(&env); arch_env = env.arch_env; @@ -569,33 +594,54 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) sprintf(prof_filename, "%.*s%s", (int)(sizeof(prof_filename) - sizeof(suffix)), cup_name, suffix); + bool have_profile = false; 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); + } else { + ir_create_execfreqs_from_profile(); + ir_profile_free(); + have_profile = true; } } + if (num_birgs > 0 && be_options.opt_profile_generate) { - ir_graph *prof_init_irg - = ir_profile_instrument(prof_filename); + ir_graph *const prof_init_irg = ir_profile_instrument(prof_filename); + assert(prof_init_irg->be_data == NULL); initialize_birg(&birgs[num_birgs], prof_init_irg, &env); num_birgs++; + num_irgs++; + assert(num_irgs == get_irp_n_irgs()); + } + + for (be_timer_id_t t = T_FIRST; t < T_LAST+1; ++t) { + ir_timer_init_parent(be_timers[t]); + } + if (!have_profile) { + be_timer_push(T_EXECFREQ); + for (i = 0; i < num_irgs; ++i) { + ir_graph *irg = get_irp_irg(i); + ir_estimate_execfreq(irg); + } + be_timer_pop(T_EXECFREQ); } /* 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; + for (i = 0; i < num_irgs; ++i) { + ir_graph *const irg = get_irp_irg(i); + ir_entity *const entity = get_irg_entity(irg); + if (get_entity_linkage(entity) & IR_LINKAGE_NO_CODEGEN) + continue; /* set the current graph (this is important for several firm functions) */ current_ir_graph = irg; if (stat_ev_enabled) { - stat_ev_ctx_push_fobj("bemain_irg", irg); - be_stat_ev("bemain_insns_start", be_count_insns(irg)); - be_stat_ev("bemain_blocks_start", be_count_blocks(irg)); + stat_ev_ctx_push_fmt("bemain_irg", "%+F", irg); + stat_ev_ull("bemain_insns_start", be_count_insns(irg)); + stat_ev_ull("bemain_blocks_start", be_count_blocks(irg)); } /* stop and reset timers */ @@ -605,15 +651,14 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) be_timer_push(T_VERIFY); if (be_options.verify_option == BE_VERIFY_WARN) { irg_verify(irg, VERIFY_ENFORCE_SSA); - be_check_dominance(irg); } 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 a code generator for this graph. */ - arch_env->impl->init_graph(irg); + if (arch_env->impl->init_graph) + arch_env->impl->init_graph(irg); /* some transformations need to be done before abi introduce */ if (arch_env->impl->before_abi != NULL) @@ -641,41 +686,14 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) dump(DUMP_PREPARED, irg, "before-code-selection"); - if (be_options.verify_option == BE_VERIFY_WARN) { - be_check_dominance(irg); - } else if (be_options.verify_option == BE_VERIFY_ASSERT) { - assert(be_check_dominance(irg) && "Dominance verification failed"); - } - /* perform codeselection */ be_timer_push(T_CODEGEN); 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) { - be_check_dominance(irg); - } 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 - */ - if (ir_profile_has_data()) - birg->exec_freq = ir_create_execfreqs_from_profile(irg); - else { - /* TODO: edges are corrupt for EDGE_KIND_BLOCK after the local - * optimize graph phase merges blocks in the x86 backend */ - edges_deactivate(irg); - birg->exec_freq = compute_execfreq(irg, 10); - } - be_timer_pop(T_EXECFREQ); - - /* disabled for now, fails for EmptyFor.c and XXEndless.c */ /* be_live_chk_compare(irg); */ @@ -694,6 +712,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* introduce patterns to assure constraints */ be_timer_push(T_CONSTR); /* we switch off optimizations here, because they might cause trouble */ + optimization_state_t state; save_optimization_state(&state); set_optimize(0); set_opt_cse(0); @@ -724,16 +743,15 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) be_timer_pop(T_VERIFY); if (stat_ev_enabled) { - stat_ev_dbl("bemain_costs_before_ra", - be_estimate_irg_costs(irg, birg->exec_freq)); - be_stat_ev("bemain_insns_before_ra", be_count_insns(irg)); - be_stat_ev("bemain_blocks_before_ra", be_count_blocks(irg)); + stat_ev_dbl("bemain_costs_before_ra", be_estimate_irg_costs(irg)); + stat_ev_ull("bemain_insns_before_ra", be_count_insns(irg)); + stat_ev_ull("bemain_blocks_before_ra", be_count_blocks(irg)); } /* Do register allocation */ be_allocate_registers(irg); - stat_ev_dbl("bemain_costs_before_ra", be_estimate_irg_costs(irg, birg->exec_freq)); + stat_ev_dbl("bemain_costs_before_ra", be_estimate_irg_costs(irg)); dump(DUMP_RA, irg, "ra"); @@ -745,20 +763,18 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) dump(DUMP_FINAL, irg, "finish"); if (stat_ev_enabled) { - be_stat_ev("bemain_insns_finish", be_count_insns(irg)); - be_stat_ev("bemain_blocks_finish", be_count_blocks(irg)); + stat_ev_ull("bemain_insns_finish", be_count_insns(irg)); + stat_ev_ull("bemain_blocks_finish", be_count_blocks(irg)); } /* check schedule and register allocation */ be_timer_push(T_VERIFY); 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.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) && "register allocation verification failed"); @@ -774,12 +790,6 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) dump(DUMP_FINAL, irg, "end"); - 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); @@ -798,11 +808,10 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) get_entity_name(get_irg_entity(irg))); 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); + printf("%-20s: %10.3f msec\n", get_timer_name(t), val); } } for (t = T_FIRST; t < T_LAST+1; ++t) { - ir_timer_stop(be_timers[t]); ir_timer_reset(be_timers[t]); } } @@ -811,9 +820,11 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) stat_ev_ctx_pop("bemain_irg"); } + be_gas_end_compilation_unit(&env); + be_emit_exit(); + arch_env_end_codegeneration(arch_env); - ir_profile_free(); be_done_env(&env); be_info_free(); @@ -855,7 +866,7 @@ void be_main(FILE *file_handle, const char *cup_name) stat_ev_dbl("bemain_backend_time", ir_timer_elapsed_msec(t)); } else { double val = ir_timer_elapsed_usec(t) / 1000.0; - printf("%-20s: %8.3lf msec\n", "BEMAINLOOP", val); + printf("%-20s: %10.3f msec\n", "BEMAINLOOP", val); } }