X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbemain.c;h=544a525a53a05b96f1025c9f79e5804035164d93;hb=333bc9c7aba2e2dbb8a3f108e73d6fd1c95dcc9f;hp=a37208a24c9722dea8ef286a9a91a28724b9665d;hpb=2e72b2d3fbc5af4fbbb893526726a56e2c10bc9c;p=libfirm diff --git a/ir/be/bemain.c b/ir/be/bemain.c index a37208a24..544a525a5 100644 --- a/ir/be/bemain.c +++ b/ir/be/bemain.c @@ -1,8 +1,28 @@ +/* + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. + * + * This file is part of libFirm. + * + * This file may be distributed and/or modified under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation and appearing in the file LICENSE.GPL included in the + * packaging of this file. + * + * Licensees holding valid libFirm Professional Edition licenses may use + * this file in accordance with the libFirm Commercial License. + * Agreement provided with the Software. + * + * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE + * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE. + */ + /** - * Backend driver. - * @author Sebastian Hack - * @date 25.11.2004 - * @cvsid $Id$ + * @file + * @brief Main Backend driver. + * @author Sebastian Hack + * @date 25.11.2004 + * @version $Id$ */ #ifdef HAVE_CONFIG_H #include "config.h" @@ -11,11 +31,8 @@ #include #include -#ifdef WITH_LIBCORE -#include -#include -#include -#endif /* WITH_LIBCORE */ +#include "lc_opts.h" +#include "lc_opts_enum.h" #include "obst.h" #include "bitset.h" @@ -31,12 +48,12 @@ #include "irtools.h" #include "irvrfy.h" #include "irprintf.h" -#include "return.h" +#include "iroptimize.h" #include "firmstat.h" -#include "cfopt.h" #include "execfreq.h" +#include "irprofile.h" -#include "bearch.h" +#include "bearch_t.h" #include "be_t.h" #include "bemodule.h" #include "beutil.h" @@ -45,9 +62,7 @@ #include "besched_t.h" #include "belistsched.h" #include "belive_t.h" -#include "bespillbelady.h" #include "bera.h" -#include "beraextern.h" #include "bechordal_t.h" #include "beifg.h" #include "beifg_impl.h" @@ -59,8 +74,10 @@ #include "beschedmris.h" #include "bestat.h" #include "beverify.h" -#include "beprofile.h" #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" @@ -71,12 +88,17 @@ static be_options_t be_options = { DUMP_NONE, /* dump flags */ BE_TIME_OFF, /* no timing */ 0, /* no opt profile */ - 1, /* try to omit frame pointer */ - 0, /* always stabs debugging output */ + 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 */ "i44pc52.info.uni-karlsruhe.de", /* ilp server */ - "cplex" /* ilp solver */ + "cplex", /* ilp solver */ + 0, /* enable statistic event dumping */ + "", /* print stat events */ }; /* config file. */ @@ -85,8 +107,6 @@ static char config_file[256] = { 0 }; /* back end instruction set architecture to use */ static const arch_isa_if_t *isa_if = NULL; -#ifdef WITH_LIBCORE - /* possible dumping options */ static const lc_opt_enum_mask_items_t dump_items[] = { { "none", DUMP_NONE }, @@ -131,30 +151,160 @@ 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_NEGBOOL ("noomitfp", "do not 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 ("statfile", "append statistics to file statfile", &be_options.stat_file_name, sizeof(be_options.stat_file_name)), + 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 ("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 ("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.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)), LC_OPT_ENT_STR ("ilp.solver", "the ilp solver name", be_options.ilp_solver, sizeof(be_options.ilp_solver)), #endif /* WITH_ILP */ - { NULL } + LC_OPT_LAST }; -#endif /* WITH_LIBCORE */ - 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; +} + +bool 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 true; + /* cc (condition code) is always valid */ + if (strcmp(clobber, "cc") == 0) + return true; + + 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); @@ -162,7 +312,6 @@ void be_register_isa_if(const char *name, const arch_isa_if_t *isa) void be_opt_register(void) { -#ifdef WITH_LIBCORE lc_opt_entry_t *be_grp; static int run_once = 0; @@ -178,47 +327,50 @@ void be_opt_register(void) be_add_module_list_opt(be_grp, "isa", "the instruction set architecture", &isa_ifs, (void**) &isa_if); -#endif /* WITH_LIBCORE */ } /* Parse one argument. */ int be_parse_arg(const char *arg) { -#ifdef WITH_LIBCORE 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); return -1; } return lc_opt_from_single_arg(be_grp, NULL, arg, NULL); -#else - return 0; -#endif /* WITH_LIBCORE */ } /** The be parameters returned by default, all off. */ -const static backend_params be_params = { - NULL, - NULL, - 0, - NULL, +static const backend_params be_params = { + 0, /* need dword lowering */ + 0, /* don't support inline assembler yet */ + 0, /* no immediate floating point mode. */ + NULL, /* no additional opcodes */ + NULL, /* will be set later */ + NULL, /* but yet no creator function */ + NULL, /* context for create_intrinsic_fkt */ + NULL, /* no if conversion settings */ + NULL /* no immediate fp mode */ }; /* Perform schedule verification if requested. */ -static void be_sched_vrfy(ir_graph *irg, int vrfy_opt) { +static void be_sched_vrfy(be_irg_t *birg, int vrfy_opt) { if (vrfy_opt == BE_VRFY_WARN) { - be_verify_schedule(irg); - } - else if (vrfy_opt == BE_VRFY_ASSERT) { - assert(be_verify_schedule(irg) && "Schedule verification failed."); + be_verify_schedule(birg); + } 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(); +} +/* 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; @@ -233,36 +385,38 @@ 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; - FIRM_DBG_REGISTER(env->dbg, "be.main"); + 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(env); + + 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); } /** @@ -293,7 +447,6 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) edges_deactivate_kind(irg, EDGE_KIND_DEP); edges_activate_kind(irg, EDGE_KIND_DEP); - DBG((env->dbg, LEVEL_2, "====> IRG: %F\n", irg)); dump(DUMP_INITIAL, irg, "-begin", dump_ir_block_graph); be_stat_init_irg(env->arch_env, irg); @@ -305,53 +458,46 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) /* Normalize proj nodes. */ normalize_proj_nodes(irg); - /* Make just one return node. */ - normalize_one_return(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); /* 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); - /* reset the phi handler. */ - be_phi_handler_reset(env->phi_handler); - set_irg_phase_state(irg, phase_backend); -} - -#ifdef WITH_LIBCORE - -#define BE_TIMER_PUSH(timer) \ - if (be_options.timing == BE_TIME_ON) { \ - int res = lc_timer_push(timer); \ - if (be_options.vrfy_option == BE_VRFY_ASSERT) \ - assert(res && "Timer already on stack, cannot be pushed twice."); \ - else if (be_options.vrfy_option == BE_VRFY_WARN && ! res) \ - fprintf(stderr, "Timer %s already on stack, cannot be pushed twice.\n", \ - lc_timer_get_name(timer)); \ - } -#define BE_TIMER_POP(timer) \ - if (be_options.timing == BE_TIME_ON) { \ - lc_timer_t *tmp = lc_timer_pop(); \ - if (be_options.vrfy_option == BE_VRFY_ASSERT) \ - assert(tmp == timer && "Attempt to pop wrong timer."); \ - else if (be_options.vrfy_option == BE_VRFY_WARN && tmp != timer) \ - fprintf(stderr, "Attempt to pop wrong timer. %s is on stack, trying to pop %s.\n", \ - lc_timer_get_name(tmp), lc_timer_get_name(timer)); \ - timer = tmp; \ - } - -#define BE_TIMER_ONLY(code) do { if (be_options.timing == BE_TIME_ON) { code; } } while(0) - -#else -#define BE_TIMER_PUSH(timer) -#define BE_TIMER_POP(timer) -#define BE_TIMER_ONLY(code) - -#endif /* WITH_LIBCORE */ + dump(DUMP_INITIAL, irg, "-prepared", dump_ir_block_graph); +} +#define BE_TIMER_ONLY(code) do { if (be_timing) { code; } } while(0) + +int be_timing; +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. @@ -364,53 +510,53 @@ static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env) static void be_main_loop(FILE *file_handle, const char *cup_name) { int i; - arch_isa_t *isa; be_main_env_t env; - unsigned num_nodes_b = 0; - unsigned num_nodes_a = 0; - unsigned num_nodes_r = 0; char prof_filename[256]; static const char suffix[] = ".prof"; be_irg_t *birgs; - unsigned num_birgs; + int num_birgs; ir_graph **irg_list, **backend_irg_list; - - be_ra_timer_t *ra_timer; - -#ifdef WITH_LIBCORE - lc_timer_t *t_abi = NULL; - lc_timer_t *t_codegen = NULL; - lc_timer_t *t_sched = NULL; - lc_timer_t *t_constr = NULL; - lc_timer_t *t_regalloc = NULL; - lc_timer_t *t_finish = NULL; - lc_timer_t *t_emit = NULL; - lc_timer_t *t_other = NULL; - lc_timer_t *t_verify = NULL; - - if (be_options.timing == BE_TIME_ON) { - t_abi = lc_timer_register("beabi", "be abi introduction"); - t_codegen = lc_timer_register("codegen", "codegeneration"); - t_sched = lc_timer_register("sched", "scheduling"); - t_constr = lc_timer_register("constr", "assure constraints"); - t_regalloc = lc_timer_register("regalloc", "register allocation"); - t_finish = lc_timer_register("finish", "graph finish"); - t_emit = lc_timer_register("emiter", "code emiter"); - t_verify = lc_timer_register("verify", "graph verification"); - t_other = lc_timer_register("other", "other"); + arch_env_t *arch_env; + + be_timing = (be_options.timing == BE_TIME_ON); + + if (be_timing) { + t_abi = ir_timer_register("time_beabi", "be abi introduction"); + t_codegen = ir_timer_register("time_codegen", "codegeneration"); + t_sched = ir_timer_register("time_sched", "scheduling"); + t_constr = ir_timer_register("time_constr", "assure constraints"); + t_finish = ir_timer_register("time_finish", "graph finish"); + t_emit = ir_timer_register("time_emiter", "code emiter"); + t_verify = ir_timer_register("time_verify", "graph verification"); + t_other = ir_timer_register("time_other", "other"); + t_heights = ir_timer_register("time_heights", "heights"); + t_live = ir_timer_register("time_liveness", "be liveness"); + t_execfreq = ir_timer_register("time_execfreq", "execfreq"); + t_ssa_constr = ir_timer_register("time_ssa_constr", "ssa reconstruction"); + t_ra_prolog = ir_timer_register("time_ra_prolog", "regalloc prolog"); + t_ra_epilog = ir_timer_register("time_ra_epilog", "regalloc epilog"); + t_ra_constr = ir_timer_register("time_ra_constr", "regalloc constraints"); + t_ra_spill = ir_timer_register("time_ra_spill", "spiller"); + t_ra_spill_apply + = ir_timer_register("time_ra_spill_apply", "apply spills"); + t_ra_color = ir_timer_register("time_ra_color", "graph coloring"); + t_ra_ifg = ir_timer_register("time_ra_ifg", "interference graph"); + t_ra_copymin = ir_timer_register("time_ra_copymin", "copy minimization"); + t_ra_ssa = ir_timer_register("time_ra_ssadestr", "ssa destruction"); + t_ra_other = ir_timer_register("time_ra_other", "regalloc other"); } -#endif /* WITH_LIBCORE */ 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 */ 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(); @@ -436,13 +582,11 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) or try to read in profile data for current translation unit. */ if (be_options.opt_profile) { - ir_graph *prof_init_irg = be_profile_instrument(prof_filename, profile_default); + 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 { - be_profile_read(prof_filename); + } else { + ir_profile_read(prof_filename); } /* For all graphs */ @@ -451,32 +595,24 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) ir_graph *irg = birg->irg; optimization_state_t state; const arch_code_generator_if_t *cg_if; - char irg_name[128]; /* set the current graph (this is important for several firm functions) */ current_ir_graph = irg; -#ifdef FIRM_STATISTICS - if(be_stat_ev_is_active()) { - ir_snprintf(irg_name, sizeof(irg_name), "%F", irg); - be_stat_tags[STAT_TAG_CLS] = ""; - be_stat_tags[STAT_TAG_IRG] = irg_name; - be_stat_ev_push(be_stat_tags, STAT_TAG_LAST, be_stat_file); +#if 0 + { + unsigned percent = 100*i/num_birgs; + ir_printf("%u.%02u %+F\n", percent/100, percent%100, irg); } #endif + be_sched_init_phase(irg); + + /* reset the phi handler. */ + be_phi_handler_reset(); + + stat_ev_ctx_push_fobj("bemain_irg", 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_regalloc); - 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 */ @@ -490,10 +626,8 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) } BE_TIMER_POP(t_verify); - BE_TIMER_ONLY(num_nodes_b = get_num_reachable_nodes(irg)); - /* 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); @@ -501,9 +635,6 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* some transformations need to be done before abi introduce */ arch_code_generator_before_abi(birg->cg); - /* reset the phi handler. */ - be_phi_handler_reset(env.phi_handler); - /* implement the ABI conventions. */ BE_TIMER_PUSH(t_abi); birg->abi = be_abi_introduce(birg); @@ -515,45 +646,53 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) if (be_options.vrfy_option == BE_VRFY_WARN) { be_check_dominance(irg); be_verify_out_edges(irg); - } - else if (be_options.vrfy_option == BE_VRFY_ASSERT) { + } else if (be_options.vrfy_option == BE_VRFY_ASSERT) { assert(be_verify_out_edges(irg)); assert(be_check_dominance(irg) && "Dominance verification failed"); } /* 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(); be_do_stat_nodes(irg, "03 Prepare"); - /* Compute loop nesting information (for weighting copies) */ dump(DUMP_PREPARED, irg, "-prepared", dump_ir_block_graph); - BE_TIMER_ONLY(num_nodes_r = get_num_reachable_nodes(irg)); if (be_options.vrfy_option == BE_VRFY_WARN) { be_check_dominance(irg); be_verify_out_edges(irg); - } - else if (be_options.vrfy_option == BE_VRFY_ASSERT) { + } else if (be_options.vrfy_option == BE_VRFY_ASSERT) { assert(be_verify_out_edges(irg)); assert(be_check_dominance(irg) && "Dominance verification failed"); } + BE_TIMER_PUSH(t_execfreq); /** * Create execution frequencies from profile data or estimate some */ - if (be_profile_has_data()) { - birg->exec_freq = be_create_execfreqs_from_profile(irg); - } else { + if (ir_profile_has_data()) + birg->exec_freq = ir_create_execfreqs_from_profile(irg); + else 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); @@ -565,9 +704,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) break; #ifdef WITH_ILP case BE_SCHED_ILP: - be_ilp_sched(birg); - //fprintf(stderr, "Warning: ILP scheduler not yet fully implemented, falling back to list scheduler.\n"); - //list_sched(birg, &be_options); + be_ilp_sched(birg, &be_options); break; #endif /* WITH_ILP */ }; @@ -577,7 +714,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* check schedule */ BE_TIMER_PUSH(t_verify); - be_sched_vrfy(irg, be_options.vrfy_option); + be_sched_vrfy(birg, be_options.vrfy_option); BE_TIMER_POP(t_verify); be_do_stat_nodes(irg, "04 Schedule"); @@ -588,6 +725,9 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) save_optimization_state(&state); set_optimize(0); 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 */ @@ -597,43 +737,35 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) 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); + arch_code_generator_before_ra(birg->cg); + BE_TIMER_POP(t_codegen); + /* connect all stack modifying nodes together (see beabi.c) */ BE_TIMER_PUSH(t_abi); - be_abi_fix_stack_nodes(birg->abi, NULL); + be_abi_fix_stack_nodes(birg->abi); BE_TIMER_POP(t_abi); dump(DUMP_SCHED, irg, "-fix_stack", dump_ir_block_graph_sched); /* check schedule */ BE_TIMER_PUSH(t_verify); - be_sched_vrfy(irg, be_options.vrfy_option); + be_sched_vrfy(birg, be_options.vrfy_option); BE_TIMER_POP(t_verify); /* do some statistics */ - be_do_stat_reg_pressure(birg); - - /* stuff needs to be done after scheduling but before register allocation */ - BE_TIMER_PUSH(t_codegen); - arch_code_generator_before_ra(birg->cg); - BE_TIMER_POP(t_codegen); + //be_do_stat_reg_pressure(birg); #ifdef FIRM_STATISTICS - if(be_stat_ev_is_active()) { - be_stat_ev_l("costs_before_ra", - (long) be_estimate_irg_costs(irg, env.arch_env, birg->exec_freq)); - } + stat_ev_dbl("costs_before_ra", be_estimate_irg_costs(irg, arch_env, birg->exec_freq)); #endif /* Do register allocation */ - BE_TIMER_PUSH(t_regalloc); be_allocate_registers(birg); - BE_TIMER_POP(t_regalloc); #ifdef FIRM_STATISTICS - if(be_stat_ev_is_active()) { - be_stat_ev_l("costs_after_ra", - (long) be_estimate_irg_costs(irg, env.arch_env, birg->exec_freq)); - } + stat_ev_dbl("costs_before_ra", be_estimate_irg_costs(irg, arch_env, birg->exec_freq)); #endif dump(DUMP_RA, irg, "-ra", dump_ir_block_graph_sched); @@ -646,8 +778,8 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) /* fix stack offsets */ BE_TIMER_PUSH(t_abi); - be_abi_fix_stack_nodes(birg->abi, NULL); - be_remove_dead_nodes_from_schedule(irg); + be_abi_fix_stack_nodes(birg->abi); + be_remove_dead_nodes_from_schedule(birg); be_abi_fix_stack_bias(birg->abi); BE_TIMER_POP(t_abi); @@ -662,19 +794,19 @@ 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); + irg_verify(irg, VRFY_ENFORCE_SSA); be_check_dominance(irg); be_verify_out_edges(irg); - be_verify_schedule(irg); - be_verify_register_allocation(env.arch_env, irg); - } - else if (be_options.vrfy_option == BE_VRFY_ASSERT) { - //assert(irg_verify(irg, VRFY_ENFORCE_SSA) && "irg verification failed"); - assert(be_verify_out_edges(irg)); + be_verify_schedule(birg); + be_verify_register_allocation(birg); + } else if (be_options.vrfy_option == BE_VRFY_ASSERT) { + assert(irg_verify(irg, VRFY_ENFORCE_SSA) && "irg verification failed"); + assert(be_verify_out_edges(irg) && "out edge verification failed"); assert(be_check_dominance(irg) && "Dominance verification failed"); - assert(be_verify_schedule(irg) && "Schedule verification failed"); - assert(be_verify_register_allocation(env.arch_env, irg) + assert(be_verify_schedule(birg) && "Schedule verification failed"); + assert(be_verify_register_allocation(birg) && "register allocation verification failed"); + } BE_TIMER_POP(t_verify); @@ -692,77 +824,69 @@ static void be_main_loop(FILE *file_handle, const char *cup_name) be_do_stat_nodes(irg, "07 Final"); restore_optimization_state(&state); - BE_TIMER_ONLY(num_nodes_a = get_num_reachable_nodes(irg)); 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) \ - if(!be_stat_ev_is_active()) { \ - printf("%-20s: %.3lf msec\n", lc_timer_get_description(timer), (double)lc_timer_elapsed_usec(timer) / 1000.0); \ - } else { \ - be_stat_ev_l(lc_timer_get_name(timer), lc_timer_elapsed_msec(timer)); \ - } -#define LC_EMIT_RA(timer) \ - if(!be_stat_ev_is_active()) { \ - printf("\t%-20s: %.3lf msec\n", lc_timer_get_description(timer), (double)lc_timer_elapsed_usec(timer) / 1000.0); \ - } else { \ - be_stat_ev_l(lc_timer_get_name(timer), lc_timer_elapsed_msec(timer)); \ - } + stat_ev_if { \ + stat_ev_dbl(ir_timer_get_name(timer), ir_timer_elapsed_msec(timer)); \ + } else { \ + 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( - if(!be_stat_ev_is_active()) { + stat_ev_if { + } else { printf("==>> IRG %s <<==\n", get_entity_name(get_irg_entity(irg))); - printf("# nodes at begin: %u\n", num_nodes_b); - printf("# nodes before ra: %u\n", num_nodes_r); - printf("# nodes at end: %u\n\n", num_nodes_a); } LC_EMIT(t_abi); LC_EMIT(t_codegen); LC_EMIT(t_sched); + LC_EMIT(t_live); + LC_EMIT(t_heights); + LC_EMIT(t_ssa_constr); LC_EMIT(t_constr); - LC_EMIT(t_regalloc); - LC_EMIT_RA(ra_timer->t_prolog); - LC_EMIT_RA(ra_timer->t_live); - LC_EMIT_RA(ra_timer->t_spill); - LC_EMIT_RA(ra_timer->t_spillslots); - LC_EMIT_RA(ra_timer->t_color); - LC_EMIT_RA(ra_timer->t_ifg); - LC_EMIT_RA(ra_timer->t_copymin); - LC_EMIT_RA(ra_timer->t_ssa); - LC_EMIT_RA(ra_timer->t_epilog); - LC_EMIT_RA(ra_timer->t_verify); - LC_EMIT_RA(ra_timer->t_other); + LC_EMIT(t_execfreq); + LC_EMIT(t_ra_prolog); + LC_EMIT(t_ra_spill); + LC_EMIT(t_ra_spill_apply); + LC_EMIT(t_ra_constr); + LC_EMIT(t_ra_color); + LC_EMIT(t_ra_ifg); + LC_EMIT(t_ra_copymin); + LC_EMIT(t_ra_ssa); + LC_EMIT(t_ra_epilog); + LC_EMIT(t_ra_other); LC_EMIT(t_finish); LC_EMIT(t_emit); LC_EMIT(t_verify); LC_EMIT(t_other); ); -#undef LC_EMIT_RA #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()) -#endif +#endif /* FIRM_STATISTICS */ free_ir_graph(irg); - - if(be_stat_ev_is_active()) { - be_stat_ev_pop(); - } +#endif /* if 0 */ + stat_ev_ctx_pop("bemain_irg"); } - be_profile_free(); + ir_profile_free(); be_done_env(&env); - -#undef BE_TIMER_POP -#undef BE_TIMER_PUSH -#undef BE_TIMER_ONLY } /* Main interface to the frontend. */ void be_main(FILE *file_handle, const char *cup_name) { -#ifdef WITH_LIBCORE - 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) { @@ -775,19 +899,27 @@ void be_main(FILE *file_handle, const char *cup_name) } 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 - be_init_stat_file(be_options.stat_file_name, cup_name); + 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); + strncpy(buf, cup_name, pos - cup_name); + buf[pos - cup_name] = '\0'; + + be_options.statev = 1; + stat_ev_begin(buf, be_options.filtev); + } #endif -#endif /* WITH_LIBCORE */ /* never build code for pseudo irgs */ set_visit_pseudo_irgs(0); @@ -796,48 +928,30 @@ void be_main(FILE *file_handle, const char *cup_name) be_main_loop(file_handle, cup_name); -#ifdef WITH_LIBCORE if (be_options.timing == BE_TIME_ON) { - lc_timer_stop(t); - lc_timer_leave_high_priority(); - if(be_stat_ev_is_active()) { - be_stat_ev_l("backend_time", lc_timer_elapsed_msec(t)); + ir_timer_stop(t); + ir_timer_leave_high_priority(); + stat_ev_if { + stat_ev_dbl("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 - be_close_stat_file(); + if (be_options.statev) + stat_ev_end(); #endif -#endif /* WITH_LIBCORE */ -} - -/** The debug info retriever function. */ -static retrieve_dbg_func retrieve_dbg = NULL; - -/* Sets a debug info retriever. */ -void be_set_debug_retrieve(retrieve_dbg_func func) { - retrieve_dbg = func; -} - -/* Retrieve the debug info. */ -const char *be_retrieve_dbg_info(const dbg_info *dbg, unsigned *line) { - if (retrieve_dbg) - return retrieve_dbg(dbg, line); - - *line = 0; - return NULL; } -int be_put_ignore_regs(const be_irg_t *birg, const arch_register_class_t *cls, bitset_t *bs) +unsigned be_put_ignore_regs(const be_irg_t *birg, const arch_register_class_t *cls, bitset_t *bs) { - if(bs == NULL) + if (bs == NULL) bs = bitset_alloca(cls->n_regs); else bitset_clear_all(bs); - assert(bitset_size(bs) == (unsigned) cls->n_regs); + assert(bitset_size(bs) == (unsigned)cls->n_regs); arch_put_non_ignore_regs(birg->main_env->arch_env, cls, bs); bitset_flip_all(bs); be_abi_put_ignore_regs(birg->abi, cls, bs);