X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbemain.c;h=5527ec15588b329bda7d927363d40e5258012b0c;hb=21c6606d51aaa8ee58c0eef8c594e6dc5c25b0a0;hp=a45b0b97a6abd529a274e294e792d869105787f3;hpb=d573712da18b80c8add0372cc1eabc876576b02b;p=libfirm diff --git a/ir/be/bemain.c b/ir/be/bemain.c index a45b0b97a..5527ec155 100644 --- a/ir/be/bemain.c +++ b/ir/be/bemain.c @@ -24,16 +24,13 @@ * @date 25.11.2004 * @version $Id$ */ -#ifdef HAVE_CONFIG_H #include "config.h" -#endif #include #include -#include -#include -#include +#include "lc_opts.h" +#include "lc_opts_enum.h" #include "obst.h" #include "bitset.h" @@ -78,6 +75,8 @@ #include "be_dbgout.h" #include "beirg_t.h" +#define NEW_ID(s) new_id_from_chars(s, sizeof(s) - 1) + #ifdef WITH_ILP #include "beilpsched.h" #endif /* WITH_ILP */ @@ -88,9 +87,12 @@ static be_options_t be_options = { BE_TIME_OFF, /* no timing */ 0, /* no opt profile */ 0, /* try to omit frame pointer */ - 0, /* no stabs debugging output */ + 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 */ "i44pc52.info.uni-karlsruhe.de", /* ilp server */ "cplex", /* ilp solver */ 0, /* enable statistic event dumping */ @@ -147,17 +149,20 @@ static lc_opt_enum_int_var_t sched_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 ("stabs", "enable stabs debug support", &be_options.stabs_debug_support), - LC_OPT_ENT_ENUM_PTR ("vrfy", "verify the backend irg", &vrfy_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 ("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_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 ("statev", "dump statistic events", &be_options.statev), - LC_OPT_ENT_STR ("filtev", "filter for stat events (regex if support is active", &be_options.printev, sizeof(be_options.printev)), + 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 @@ -169,9 +174,139 @@ 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]; + +void be_init_default_asm_constraint_flags(void) +{ + asm_constraint_flags['?'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT; + asm_constraint_flags['!'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT; + asm_constraint_flags['&'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT + | ASM_CONSTRAINT_FLAG_MODIFIER_EARLYCLOBBER; + asm_constraint_flags['%'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT + | ASM_CONSTRAINT_FLAG_MODIFIER_COMMUTATIVE; + asm_constraint_flags['!'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT; + + asm_constraint_flags['='] = ASM_CONSTRAINT_FLAG_MODIFIER_WRITE + | ASM_CONSTRAINT_FLAG_MODIFIER_NO_READ; + asm_constraint_flags['+'] = ASM_CONSTRAINT_FLAG_MODIFIER_READ + | ASM_CONSTRAINT_FLAG_MODIFIER_WRITE; + + asm_constraint_flags['i'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE; + asm_constraint_flags['s'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE; + asm_constraint_flags['E'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE; + asm_constraint_flags['F'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE; + asm_constraint_flags['G'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE; + asm_constraint_flags['H'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE; + asm_constraint_flags['I'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE; + asm_constraint_flags['J'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE; + asm_constraint_flags['K'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE; + asm_constraint_flags['L'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE; + asm_constraint_flags['M'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE; + asm_constraint_flags['N'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE; + asm_constraint_flags['O'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE; + asm_constraint_flags['P'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE; + + asm_constraint_flags['m'] = ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP; + asm_constraint_flags['o'] = ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP; + asm_constraint_flags['V'] = ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP; + asm_constraint_flags['<'] = ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP; + asm_constraint_flags['>'] = ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP; + + asm_constraint_flags['p'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER; + asm_constraint_flags['0'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER; + asm_constraint_flags['1'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER; + asm_constraint_flags['2'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER; + asm_constraint_flags['3'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER; + asm_constraint_flags['4'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER; + asm_constraint_flags['5'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER; + asm_constraint_flags['6'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER; + asm_constraint_flags['7'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER; + asm_constraint_flags['8'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER; + asm_constraint_flags['9'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER; + + asm_constraint_flags['X'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER + | ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP + | ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE; + + /* these should have been catched by the parsing code already */ + asm_constraint_flags['#'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT; + asm_constraint_flags['*'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT; + asm_constraint_flags[' '] = ASM_CONSTRAINT_FLAG_NO_SUPPORT; + asm_constraint_flags['\t'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT; + asm_constraint_flags['\n'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT; + asm_constraint_flags['\r'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT; +} + +asm_constraint_flags_t be_parse_asm_constraints(const char *constraint) +{ + asm_constraint_flags_t flags = 0; + const char *c; + asm_constraint_flags_t tflags; + + for (c = constraint; *c != '\0'; ++c) { + switch (*c) { + case '#': + /* 'comment' stuff */ + while(*c != 0 && *c != ',') + ++c; + break; + case '*': + /* 'comment' character */ + ++c; + break; + case ' ': + case '\t': + case '\n': + case '\r': + break; + default: + tflags = asm_constraint_flags[(int) *c]; + if (tflags != 0) { + flags |= tflags; + } else { + flags |= isa_if->parse_asm_constraint(isa_if, &c); + } + break; + } + } + + if (( + 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_INVALID; + } + if (!(flags & (ASM_CONSTRAINT_FLAG_MODIFIER_READ | + ASM_CONSTRAINT_FLAG_MODIFIER_WRITE | + ASM_CONSTRAINT_FLAG_MODIFIER_NO_WRITE | + ASM_CONSTRAINT_FLAG_MODIFIER_NO_READ) + )) { + flags |= ASM_CONSTRAINT_FLAG_MODIFIER_READ; + } + + return flags; +} + +int be_is_valid_clobber(const char *clobber) +{ + /* 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) + return 1; + /* cc (condition code) is always valid */ + if (strcmp(clobber, "cc") == 0) + return 1; + + return isa_if->is_valid_clobber(isa_if, clobber); +} + void be_register_isa_if(const char *name, const arch_isa_if_t *isa) { - if(isa_if == NULL) + if (isa_if == NULL) isa_if = isa; be_add_module_to_list(&isa_ifs, name, (void*) isa); @@ -182,25 +317,24 @@ void be_opt_register(void) lc_opt_entry_t *be_grp; static int run_once = 0; - if (run_once) { + if (run_once) return; - } - run_once = 1; - - be_init_modules(); + run_once = 1; be_grp = lc_opt_get_grp(firm_opt_get_root(), "be"); lc_opt_add_table(be_grp, be_main_options); be_add_module_list_opt(be_grp, "isa", "the instruction set architecture", &isa_ifs, (void**) &isa_if); + + be_init_modules(); } /* Parse one argument. */ int be_parse_arg(const char *arg) { lc_opt_entry_t *be_grp = lc_opt_get_grp(firm_opt_get_root(), "be"); if (strcmp(arg, "help") == 0 || (arg[0] == '?' && arg[1] == '\0')) { - lc_opt_print_help(be_grp, stdout); + lc_opt_print_help_for_entry(be_grp, '-', stdout); return -1; } return lc_opt_from_single_arg(be_grp, NULL, arg, NULL); @@ -209,30 +343,43 @@ int be_parse_arg(const char *arg) { /** The be parameters returned by default, all off. */ static const backend_params be_params = { 0, /* need dword lowering */ - 0, /* don't support inlien assembler yet */ - NULL, /* no additional opcodes */ + 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(be_irg_t *birg, int vrfy_opt) { if (vrfy_opt == BE_VRFY_WARN) { be_verify_schedule(birg); - } - else if (vrfy_opt == BE_VRFY_ASSERT) { + } else if (vrfy_opt == BE_VRFY_ASSERT) { assert(be_verify_schedule(birg) && "Schedule verification failed."); } } -/* Initialize the Firm backend. Must be run BEFORE init_firm()! */ -const backend_params *be_init(void) +/* Initialize the Firm backend. Must be run first in init_firm()! */ +void firm_be_init(void) { be_opt_register(); be_init_modules(); +} +/* Finalize the Firm backend. */ +void firm_be_finish(void) +{ + be_quit_modules(); +} + +/* 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; @@ -247,35 +394,38 @@ const backend_params *be_init(void) static be_main_env_t *be_init_env(be_main_env_t *env, FILE *file_handle) { memset(env, 0, sizeof(*env)); - obstack_init(&env->obst); - env->arch_env = obstack_alloc(&env->obst, sizeof(env->arch_env[0])); - env->options = &be_options; + env->options = &be_options; + 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")); - arch_env_init(env->arch_env, isa_if, file_handle, env); + remove_irp_type(env->pic_trampolines_type); + remove_irp_type(env->pic_symbols_type); + set_class_final(env->pic_trampolines_type, 1); - /* Register the irn handler of the architecture */ - if (arch_isa_get_irn_handler(env->arch_env->isa)) - arch_env_push_irn_handler(env->arch_env, arch_isa_get_irn_handler(env->arch_env->isa)); + memset(asm_constraint_flags, 0, sizeof(asm_constraint_flags)); + env->arch_env = arch_env_init(isa_if, file_handle, env); - /* - * Register the node handler of the back end infrastructure. - * This irn handler takes care of the platform independent - * spill, reload and perm nodes. - */ - arch_env_push_irn_handler(env->arch_env, &be_node_irn_handler); - env->phi_handler = be_phi_handler_new(env->arch_env); - arch_env_push_irn_handler(env->arch_env, env->phi_handler); - - env->db_handle = be_options.stabs_debug_support ? be_stabs_open(file_handle) : be_nulldbg_open(); + be_phi_handler_new(); + + be_dbg_open(); return env; } +/** + * Called when the be_main_env_t can be destroyed. + */ static void be_done_env(be_main_env_t *env) { - env->arch_env->isa->impl->done(env->arch_env->isa); - be_dbg_close(env->db_handle); - be_phi_handler_free(env->phi_handler); - obstack_free(&env->obst, NULL); + arch_env_done(env->arch_env); + be_dbg_close(); + be_phi_handler_free(); + + pmap_destroy(env->ent_trampoline_map); + pmap_destroy(env->ent_pic_symbol_map); + free_type(env->pic_trampolines_type); + free_type(env->pic_symbols_type); } /** @@ -308,9 +458,6 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) dump(DUMP_INITIAL, irg, "-begin", dump_ir_block_graph); - be_stat_init_irg(env->arch_env, irg); - be_do_stat_nodes(irg, "01 Begin"); - /* set the current graph (this is important for several firm functions) */ current_ir_graph = irg; @@ -322,12 +469,13 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) normalize_n_returns(irg); /* Remove critical edges */ - remove_critical_cf_edges(irg); + remove_critical_cf_edges_ex(irg, /*ignore_exception_edges=*/0); /* Ensure, that the ir_edges are computed. */ edges_assure(irg); set_irg_phase_state(irg, phase_backend); + be_info_init_irg(irg); dump(DUMP_INITIAL, irg, "-prepared", dump_ir_block_graph); } @@ -335,27 +483,28 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) #define BE_TIMER_ONLY(code) do { if (be_timing) { code; } } while(0) int be_timing; -lc_timer_t *t_abi; -lc_timer_t *t_codegen; -lc_timer_t *t_sched; -lc_timer_t *t_constr; -lc_timer_t *t_finish; -lc_timer_t *t_emit; -lc_timer_t *t_other; -lc_timer_t *t_verify; -lc_timer_t *t_heights; -lc_timer_t *t_live; -lc_timer_t *t_ssa_constr; -lc_timer_t *t_ra_constr; -lc_timer_t *t_ra_prolog; -lc_timer_t *t_ra_epilog; -lc_timer_t *t_ra_spill; -lc_timer_t *t_ra_spill_apply; -lc_timer_t *t_ra_color; -lc_timer_t *t_ra_ifg; -lc_timer_t *t_ra_copymin; -lc_timer_t *t_ra_ssa; -lc_timer_t *t_ra_other; +ir_timer_t *t_abi; +ir_timer_t *t_codegen; +ir_timer_t *t_sched; +ir_timer_t *t_constr; +ir_timer_t *t_finish; +ir_timer_t *t_emit; +ir_timer_t *t_other; +ir_timer_t *t_verify; +ir_timer_t *t_heights; +ir_timer_t *t_live; +ir_timer_t *t_execfreq; +ir_timer_t *t_ssa_constr; +ir_timer_t *t_ra_constr; +ir_timer_t *t_ra_prolog; +ir_timer_t *t_ra_epilog; +ir_timer_t *t_ra_spill; +ir_timer_t *t_ra_spill_apply; +ir_timer_t *t_ra_color; +ir_timer_t *t_ra_ifg; +ir_timer_t *t_ra_copymin; +ir_timer_t *t_ra_ssa; +ir_timer_t *t_ra_other; /** * The Firm backend main loop. @@ -367,63 +516,68 @@ lc_timer_t *t_ra_other; */ static void be_main_loop(FILE *file_handle, const char *cup_name) { - int i; - arch_isa_t *isa; - be_main_env_t env; - char prof_filename[256]; static const char suffix[] = ".prof"; - be_irg_t *birgs; - int num_birgs; - ir_graph **irg_list, **backend_irg_list; + + int i, num_birgs, stat_active = 0; + 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); if (be_timing) { - t_abi = lc_timer_register("time_beabi", "be abi introduction"); - t_codegen = lc_timer_register("time_codegen", "codegeneration"); - t_sched = lc_timer_register("time_sched", "scheduling"); - t_constr = lc_timer_register("time_constr", "assure constraints"); - t_finish = lc_timer_register("time_finish", "graph finish"); - t_emit = lc_timer_register("time_emiter", "code emiter"); - t_verify = lc_timer_register("time_verify", "graph verification"); - t_other = lc_timer_register("time_other", "other"); - t_heights = lc_timer_register("time_heights", "heights"); - t_live = lc_timer_register("time_liveness", "be liveness"); - t_ssa_constr = lc_timer_register("time_ssa_constr", "ssa reconstruction"); - t_ra_prolog = lc_timer_register("time_ra_prolog", "regalloc prolog"); - t_ra_epilog = lc_timer_register("time_ra_epilog", "regalloc epilog"); - t_ra_constr = lc_timer_register("time_ra_constr", "regalloc constraints"); - t_ra_spill = lc_timer_register("time_ra_spill", "spiller"); + t_abi = ir_timer_register("bemain_time_beabi", "be abi introduction"); + t_codegen = ir_timer_register("bemain_time_codegen", "codegeneration"); + t_sched = ir_timer_register("bemain_time_sched", "scheduling"); + t_constr = ir_timer_register("bemain_time_constr", "assure constraints"); + t_finish = ir_timer_register("bemain_time_finish", "graph finish"); + t_emit = ir_timer_register("bemain_time_emiter", "code emiter"); + t_verify = ir_timer_register("bemain_time_verify", "graph verification"); + t_other = ir_timer_register("bemain_time_other", "other"); + t_heights = ir_timer_register("bemain_time_heights", "heights"); + t_live = ir_timer_register("bemain_time_liveness", "be liveness"); + t_execfreq = ir_timer_register("bemain_time_execfreq", "execfreq"); + t_ssa_constr = ir_timer_register("bemain_time_ssa_constr", "ssa reconstruction"); + t_ra_prolog = ir_timer_register("bemain_time_ra_prolog", "regalloc prolog"); + t_ra_epilog = ir_timer_register("bemain_time_ra_epilog", "regalloc epilog"); + t_ra_constr = ir_timer_register("bemain_time_ra_constr", "regalloc constraints"); + t_ra_spill = ir_timer_register("bemain_time_ra_spill", "spiller"); t_ra_spill_apply - = lc_timer_register("time_ra_spill_apply", "apply spills"); - t_ra_color = lc_timer_register("time_ra_color", "graph coloring"); - t_ra_ifg = lc_timer_register("time_ra_ifg", "interference graph"); - t_ra_copymin = lc_timer_register("time_ra_copymin", "copy minimization"); - t_ra_ssa = lc_timer_register("time_ra_ssadestr", "ssa destruction"); - t_ra_other = lc_timer_register("time_ra_other", "regalloc other"); + = ir_timer_register("bemain_time_ra_spill_apply", "apply spills"); + t_ra_color = ir_timer_register("bemain_time_ra_color", "graph coloring"); + t_ra_ifg = ir_timer_register("bemain_time_ra_ifg", "interference graph"); + t_ra_copymin = ir_timer_register("bemain_time_ra_copymin", "copy minimization"); + t_ra_ssa = ir_timer_register("bemain_time_ra_ssadestr", "ssa destruction"); + t_ra_other = ir_timer_register("bemain_time_ra_other", "regalloc other"); } be_init_env(&env, file_handle); env.cup_name = cup_name; - isa = arch_env_get_isa(env.arch_env); + be_dbg_so(cup_name); + be_dbg_types(); - be_dbg_so(env.db_handle, cup_name); - be_dbg_types(env.db_handle); + arch_env = env.arch_env; - /* backend may provide an ordered list of irgs where code should be generated for */ + /* 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_isa_get_backend_irg_list(isa, &irg_list); + 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 = alloca(sizeof(birgs[0]) * (num_birgs + 1)); + birgs = ALLOCAN(be_irg_t, num_birgs + 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); } + arch_env_handle_intrinsics(arch_env); DEL_ARR_F(irg_list); /* @@ -442,11 +596,14 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) ir_graph *prof_init_irg = ir_profile_instrument(prof_filename, profile_default); initialize_birg(&birgs[num_birgs], prof_init_irg, &env); num_birgs++; - set_method_img_section(get_irg_entity(prof_init_irg), section_constructors); } 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]; @@ -457,24 +614,16 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* set the current graph (this is important for several firm functions) */ current_ir_graph = irg; - be_sched_init_phase(irg); - /* reset the phi handler. */ - be_phi_handler_reset(env.phi_handler); + be_phi_handler_reset(); - stat_ev_ctx_push_fobj("bemain_irg", irg); + stat_ev_if { + 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)); + } /* stop and reset timers */ - BE_TIMER_ONLY( - LC_STOP_AND_RESET_TIMER(t_abi); - LC_STOP_AND_RESET_TIMER(t_codegen); - LC_STOP_AND_RESET_TIMER(t_sched); - LC_STOP_AND_RESET_TIMER(t_constr); - LC_STOP_AND_RESET_TIMER(t_finish); - LC_STOP_AND_RESET_TIMER(t_emit); - LC_STOP_AND_RESET_TIMER(t_verify); - LC_STOP_AND_RESET_TIMER(t_other); - ); BE_TIMER_PUSH(t_other); /* t_other */ /* Verify the initial graph */ @@ -489,7 +638,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) BE_TIMER_POP(t_verify); /* Get the code generator interface. */ - cg_if = isa->impl->get_code_generator_if(isa); + cg_if = arch_env_get_code_generator_if(arch_env); /* get a code generator for this graph. */ birg->cg = cg_if->init(birg); @@ -503,7 +652,6 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) BE_TIMER_POP(t_abi); dump(DUMP_ABI, irg, "-abi", dump_ir_block_graph); - be_do_stat_nodes(irg, "02 Abi"); if (be_options.vrfy_option == BE_VRFY_WARN) { be_check_dominance(irg); @@ -514,16 +662,12 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) } /* generate code */ - stat_ev_ctx_push_str("bemain_phase", "prepare"); BE_TIMER_PUSH(t_codegen); arch_code_generator_prepare_graph(birg->cg); BE_TIMER_POP(t_codegen); - stat_ev_ctx_pop("bemain_phase"); /* reset the phi handler. */ - be_phi_handler_reset(env.phi_handler); - - be_do_stat_nodes(irg, "03 Prepare"); + be_phi_handler_reset(); dump(DUMP_PREPARED, irg, "-prepared", dump_ir_block_graph); @@ -535,25 +679,24 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) assert(be_check_dominance(irg) && "Dominance verification failed"); } + 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 + 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(birg); */ - /* let backend prepare scheduling */ - stat_ev_ctx_push_str("bemain_phase", "before_sched"); - BE_TIMER_PUSH(t_codegen); - arch_code_generator_before_sched(birg->cg); - BE_TIMER_POP(t_codegen); - stat_ev_ctx_pop("bemain_phase"); - /* schedule the irg */ BE_TIMER_PUSH(t_sched); switch (be_options.scheduler) { @@ -577,8 +720,6 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) be_sched_vrfy(birg, be_options.vrfy_option); BE_TIMER_POP(t_verify); - be_do_stat_nodes(irg, "04 Schedule"); - /* introduce patterns to assure constraints */ BE_TIMER_PUSH(t_constr); /* we switch off optimizations here, because they might cause trouble */ @@ -587,15 +728,12 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) set_opt_normalize(0); set_opt_cse(0); - assert(!get_opt_cse()); - /* add Keeps for should_be_different constrained nodes */ /* beware: needs schedule due to usage of be_ssa_constr */ assure_constraints(birg); BE_TIMER_POP(t_constr); dump(DUMP_SCHED, irg, "-assured", dump_ir_block_graph_sched); - be_do_stat_nodes(irg, "05 Constraints"); /* stuff needs to be done after scheduling but before register allocation */ BE_TIMER_PUSH(t_codegen); @@ -614,22 +752,21 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) be_sched_vrfy(birg, be_options.vrfy_option); BE_TIMER_POP(t_verify); - /* do some statistics */ - //be_do_stat_reg_pressure(birg); - -#ifdef FIRM_STATISTICS - stat_ev_dbl("costs_before_ra", be_estimate_irg_costs(irg, env.arch_env, birg->exec_freq)); -#endif + stat_ev_if { + 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)); + } /* Do register allocation */ be_allocate_registers(birg); #ifdef FIRM_STATISTICS - stat_ev_dbl("costs_before_ra", be_estimate_irg_costs(irg, env.arch_env, birg->exec_freq)); + stat_ev_dbl("bemain_costs_before_ra", be_estimate_irg_costs(irg, birg->exec_freq)); #endif dump(DUMP_RA, irg, "-ra", dump_ir_block_graph_sched); - be_do_stat_nodes(irg, "06 Register Allocation"); /* let the code generator prepare the graph for emitter */ BE_TIMER_PUSH(t_finish); @@ -651,6 +788,11 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) dump(DUMP_FINAL, irg, "-finish", dump_ir_block_graph_sched); + stat_ev_if { + be_stat_ev("bemain_insns_finish", be_count_insns(irg)); + be_stat_ev("bemain_blocks_finish", be_count_blocks(irg)); + } + /* check schedule and register allocation */ BE_TIMER_PUSH(t_verify); if (be_options.vrfy_option == BE_VRFY_WARN) { @@ -681,20 +823,23 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) be_abi_free(birg->abi); BE_TIMER_POP(t_abi); - be_do_stat_nodes(irg, "07 Final"); restore_optimization_state(&state); BE_TIMER_POP(t_other); +#define STOP_AND_RESET_TIMER(timer) do { ir_timer_stop(timer); ir_timer_reset(timer); } while(0) + #define LC_EMIT(timer) \ stat_ev_if { \ - stat_ev_dbl(lc_timer_get_name(timer), lc_timer_elapsed_msec(timer)); \ + stat_ev_dbl(ir_timer_get_name(timer), ir_timer_elapsed_msec(timer)); \ } else { \ - printf("%-20s: %.3lf msec\n", lc_timer_get_description(timer), (double)lc_timer_elapsed_usec(timer) / 1000.0); \ - } + printf("%-20s: %8.3lf msec\n", ir_timer_get_description(timer), (double)ir_timer_elapsed_usec(timer) / 1000.0); \ + } \ + STOP_AND_RESET_TIMER(timer); BE_TIMER_ONLY( stat_ev_if { + } else { printf("==>> IRG %s <<==\n", get_entity_name(get_irg_entity(irg))); } LC_EMIT(t_abi); @@ -704,6 +849,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) LC_EMIT(t_heights); LC_EMIT(t_ssa_constr); LC_EMIT(t_constr); + LC_EMIT(t_execfreq); LC_EMIT(t_ra_prolog); LC_EMIT(t_ra_spill); LC_EMIT(t_ra_spill_apply); @@ -721,81 +867,82 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) ); #undef LC_EMIT - be_sched_free_phase(irg); - be_free_birg(birg); /* switched off due to statistics (statistic module needs all irgs) */ -#if 0 /* STA needs irgs */ #ifdef FIRM_STATISTICS - if (! stat_is_active()) + if (! stat_active) #endif /* FIRM_STATISTICS */ - free_ir_graph(irg); -#endif /* if 0 */ + remove_irp_irg(irg); stat_ev_ctx_pop("bemain_irg"); } ir_profile_free(); be_done_env(&env); + + be_info_free(); } /* Main interface to the frontend. */ void be_main(FILE *file_handle, const char *cup_name) { - lc_timer_t *t = NULL; + ir_timer_t *t = NULL; /* The user specified another config file to read. do that now. */ - if(strlen(config_file) > 0) { - FILE *f; + if (config_file[0] != '\0') { + FILE *f = fopen(config_file, "rt"); - if((f = fopen(config_file, "rt")) != NULL) { + 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 = lc_timer_register("bemain", "measure complete bemain loop"); + t = ir_timer_register("bemain", "measure complete bemain loop"); - if (lc_timer_enter_high_priority()) { + if (ir_timer_enter_high_priority()) { fprintf(stderr, "Warning: Could not enter high priority mode.\n"); } - lc_timer_reset_and_start(t); + 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); - char *buf = alloca(pos - cup_name + 1); + char *buf = ALLOCAN(char, pos - cup_name + 1); strncpy(buf, cup_name, pos - cup_name); buf[pos - cup_name] = '\0'; be_options.statev = 1; - stat_ev_begin(buf, be_options.printev); + 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_node_init(); - be_main_loop(file_handle, cup_name); if (be_options.timing == BE_TIME_ON) { - lc_timer_stop(t); - lc_timer_leave_high_priority(); + ir_timer_stop(t); + ir_timer_leave_high_priority(); stat_ev_if { - stat_ev_dbl("backend_time", lc_timer_elapsed_msec(t)); + stat_ev_dbl("bemain_backend_time", ir_timer_elapsed_msec(t)); } else { - printf("%-20s: %lu msec\n", "BEMAINLOOP", lc_timer_elapsed_msec(t)); + printf("%-20s: %lu msec\n", "BEMAINLOOP", ir_timer_elapsed_msec(t)); } } #ifdef FIRM_STATISTICS - if (be_options.statev) + if (be_options.statev) { + stat_ev_ctx_pop("bemain_compilation_unit"); stat_ev_end(); + } #endif } @@ -806,8 +953,8 @@ unsigned be_put_ignore_regs(const be_irg_t *birg, const arch_register_class_t *c else bitset_clear_all(bs); - assert(bitset_size(bs) == (unsigned)cls->n_regs); - arch_put_non_ignore_regs(birg->main_env->arch_env, cls, bs); + assert(bitset_size(bs) == cls->n_regs); + arch_put_non_ignore_regs(cls, bs); bitset_flip_all(bs); be_abi_put_ignore_regs(birg->abi, cls, bs);