X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbemain.c;h=d5cb7aa0e27802edba334b6b77febb7e87bd5720;hb=24d4d90a8a18fd1e2157787efc06fb3c9c7f2380;hp=4709cb8b0000f0d9c82806d5acd100816f3d1d05;hpb=f8cc15664f571aa7ef89d6f6bc8d5bd2b8ca7d53;p=libfirm diff --git a/ir/be/bemain.c b/ir/be/bemain.c index 4709cb8b0..d5cb7aa0e 100644 --- a/ir/be/bemain.c +++ b/ir/be/bemain.c @@ -49,6 +49,7 @@ #include "execfreq.h" #include "irprofile.h" #include "irpass_t.h" +#include "ircons.h" #include "bearch.h" #include "be_t.h" @@ -69,7 +70,6 @@ #include "belower.h" #include "bestat.h" #include "beverify.h" -#include "be_dbgout.h" #include "beirg.h" #include "bestack.h" #include "beemitter.h" @@ -77,7 +77,7 @@ #define NEW_ID(s) new_id_from_chars(s, sizeof(s) - 1) /* options visible for anyone */ -static be_options_t be_options = { +be_options_t be_options = { DUMP_NONE, /* dump flags */ BE_TIME_OFF, /* no timing */ false, /* profile_generate */ @@ -89,6 +89,7 @@ static be_options_t be_options = { "", /* ilp solver */ 0, /* enable statistic event dumping */ "", /* print stat events */ + 1, /* verbose assembler output */ }; /* back end instruction set architecture to use */ @@ -134,17 +135,34 @@ static const lc_opt_table_entry_t be_main_options[] = { 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), + LC_OPT_ENT_BOOL ("verboseasm", "enable verbose assembler output", &be_options.verbose_asm), LC_OPT_ENT_STR("ilp.server", "the ilp server name", be_options.ilp_server), LC_OPT_ENT_STR("ilp.solver", "the ilp solver name", be_options.ilp_solver), LC_OPT_LAST }; -static be_module_list_entry_t *isa_ifs = NULL; - +static be_module_list_entry_t *isa_ifs = NULL; +static bool isa_initialized = false; asm_constraint_flags_t asm_constraint_flags[256]; +static void initialize_isa(void) +{ + if (isa_initialized) + return; + isa_if->init(); + isa_initialized = true; +} + +static void finish_isa(void) +{ + if (isa_initialized) { + isa_if->finish(); + isa_initialized = false; + } +} + void be_init_default_asm_constraint_flags(void) { asm_constraint_flags['?'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT; @@ -212,6 +230,8 @@ asm_constraint_flags_t be_parse_asm_constraints(const char *constraint) const char *c; asm_constraint_flags_t tflags; + initialize_isa(); + for (c = constraint; *c != '\0'; ++c) { switch (*c) { case '#': @@ -261,6 +281,8 @@ asm_constraint_flags_t be_parse_asm_constraints(const char *constraint) int be_is_valid_clobber(const char *clobber) { + initialize_isa(); + /* memory is a valid clobber. (the frontend has to detect this case too, * because it has to add memory edges to the asm) */ if (strcmp(clobber, "memory") == 0) @@ -280,7 +302,7 @@ void be_register_isa_if(const char *name, const arch_isa_if_t *isa) be_add_module_to_list(&isa_ifs, name, (void*) isa); } -void be_opt_register(void) +static void be_opt_register(void) { lc_opt_entry_t *be_grp; static int run_once = 0; @@ -329,12 +351,14 @@ void firm_be_init(void) /* Finalize the Firm backend. */ void firm_be_finish(void) { + finish_isa(); be_quit_modules(); } /* Returns the backend parameter */ const backend_params *be_get_backend_param(void) { + initialize_isa(); return isa_if->get_params(); } @@ -348,7 +372,6 @@ static be_main_env_t *be_init_env(be_main_env_t *env, FILE *file_handle, const char *compilation_unit_name) { memset(env, 0, sizeof(*env)); - env->options = &be_options; env->file_handle = file_handle; env->ent_trampoline_map = pmap_create(); env->pic_trampolines_type = new_type_class(NEW_ID("$PIC_TRAMPOLINE_TYPE")); @@ -356,12 +379,10 @@ static be_main_env_t *be_init_env(be_main_env_t *env, FILE *file_handle, env->pic_symbols_type = new_type_struct(NEW_ID("$PIC_SYMBOLS_TYPE")); env->cup_name = compilation_unit_name; - remove_irp_type(env->pic_trampolines_type); - remove_irp_type(env->pic_symbols_type); set_class_final(env->pic_trampolines_type, 1); memset(asm_constraint_flags, 0, sizeof(asm_constraint_flags)); - env->arch_env = arch_env_init(isa_if, env); + env->arch_env = arch_env_begin_codegeneration(isa_if, env); return env; } @@ -408,9 +429,10 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) 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; @@ -427,7 +449,7 @@ 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); @@ -444,6 +466,7 @@ 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"; @@ -472,6 +495,11 @@ void be_lower_for_target(void) { size_t i; + 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;) { @@ -493,15 +521,20 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) { static const char suffix[] = ".prof"; - size_t i, num_birgs; + size_t i; + size_t num_irgs; + size_t num_birgs; be_main_env_t env; char prof_filename[256]; be_irg_t *birgs; - ir_graph **irg_list, **backend_irg_list; arch_env_t *arch_env; be_timing = (be_options.timing == BE_TIME_ON); + /* perform target lowering if it didn't happen yet */ + if (get_irp_phase_state() != phase_low) + be_lower_for_target(); + if (be_timing) { for (i = 0; i < T_LAST+1; ++i) { be_timers[i] = ir_timer_new(); @@ -512,24 +545,22 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) arch_env = env.arch_env; - /* backend may provide an ordered list of irgs where code should be - * generated for */ - irg_list = NEW_ARR_F(ir_graph *, 0); - backend_irg_list = arch_env_get_backend_irg_list(arch_env, &irg_list); - /* we might need 1 birg more for instrumentation constructor */ - num_birgs = backend_irg_list ? ARR_LEN(backend_irg_list) : get_irp_n_irgs(); - birgs = ALLOCAN(be_irg_t, num_birgs + 1); + num_irgs = get_irp_n_irgs(); + birgs = ALLOCAN(be_irg_t, num_irgs + 1); be_info_init(); /* First: initialize all birgs */ - for (i = 0; i < num_birgs; ++i) { - ir_graph *irg = backend_irg_list ? backend_irg_list[i] : get_irp_irg(i); - initialize_birg(&birgs[i], irg, &env); + num_birgs = 0; + for (i = 0; i < num_irgs; ++i) { + ir_graph *irg = get_irp_irg(i); + ir_entity *entity = get_irg_entity(irg); + if (get_entity_linkage(entity) & IR_LINKAGE_NO_CODEGEN) + continue; + initialize_birg(&birgs[num_birgs++], irg, &env); } arch_env_handle_intrinsics(arch_env); - DEL_ARR_F(irg_list); /* Get the filename for the profiling data. @@ -545,7 +576,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) prof_filename); } } - if (be_options.opt_profile_generate) { + if (num_birgs > 0 && be_options.opt_profile_generate) { ir_graph *prof_init_irg = ir_profile_instrument(prof_filename); initialize_birg(&birgs[num_birgs], prof_init_irg, &env); @@ -707,8 +738,8 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) dump(DUMP_RA, irg, "ra"); be_timer_push(T_FINISH); - if (arch_env->impl->finish != NULL) - arch_env->impl->finish(irg); + if (arch_env->impl->finish_graph != NULL) + arch_env->impl->finish_graph(irg); be_timer_pop(T_FINISH); dump(DUMP_FINAL, irg, "finish"); @@ -780,7 +811,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) stat_ev_ctx_pop("bemain_irg"); } - arch_env_done(arch_env); + arch_env_end_codegeneration(arch_env); ir_profile_free(); be_done_env(&env);