removed warning for ILP scheduler, as the scheduler can now schedule on it's own
[libfirm] / ir / be / bemain.c
index 1500fcf..4b109ca 100644 (file)
@@ -30,6 +30,7 @@
 #include "irloop_t.h"
 #include "irtools.h"
 #include "irvrfy.h"
+#include "irprintf.h"
 #include "return.h"
 #include "firmstat.h"
 #include "cfopt.h"
@@ -41,6 +42,7 @@
 #include "arm/bearch_arm.h"
 #include "ppc32/bearch_ppc32.h"
 #include "mips/bearch_mips.h"
+// #include "sta/bearch_sta.h"
 
 #include "be_t.h"
 #include "benumb_t.h"
 #include "bestat.h"
 #include "beverify.h"
 #include "beprofile.h"
+#include "beblocksched.h"
 #include "be_dbgout.h"
 
+#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 */
-       BE_SCHED_SELECT_HEUR,              /* mueller heuristic selector */
        0,                                 /* no opt profile */
-       0,                                 /* disable mris */
        1,                                 /* try to omit frame pointer */
-       0,                                 /* no stabs debugging output */
+       0,                                 /* always stabs debugging output */
        BE_VRFY_WARN,                      /* verification level: warn */
+       BE_SCHED_LIST,                     /* scheduler: list scheduler */
        "i44pc52.info.uni-karlsruhe.de",   /* ilp server */
        "cplex"                            /* ilp solver */
 };
@@ -119,6 +125,7 @@ static const lc_opt_enum_const_ptr_items_t ra_items[] = {
 static const lc_opt_enum_const_ptr_items_t isa_items[] = {
        { "ia32",    &ia32_isa_if },
 #if 0
+       { "sta",     &sta_isa_if },
        { "arm",     &arm_isa_if },
        { "ppc32",   &ppc32_isa_if },
        { "mips",    &mips_isa_if },
@@ -134,15 +141,13 @@ static const lc_opt_enum_int_items_t vrfy_items[] = {
        { NULL,     0 }
 };
 
-/* schedule selector options. */
-static const lc_opt_enum_int_items_t sched_select_items[] = {
-       { "trivial",  BE_SCHED_SELECT_TRIVIAL  },
-       { "random",   BE_SCHED_SELECT_RANDOM },
-       { "regpress", BE_SCHED_SELECT_REGPRESS },
-       { "muchnik",  BE_SCHED_SELECT_MUCHNIK  },
-       { "heur",     BE_SCHED_SELECT_HEUR     },
-       { "hmuchnik", BE_SCHED_SELECT_HMUCHNIK },
-       { 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 = {
@@ -161,22 +166,22 @@ static lc_opt_enum_int_var_t vrfy_var = {
        &be_options.vrfy_option, vrfy_items
 };
 
-static lc_opt_enum_int_var_t sched_select_var = {
-       &be_options.sched_select, sched_select_items
+static lc_opt_enum_int_var_t sched_var = {
+       &be_options.scheduler, sched_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_ENUM_PTR ("ra",           "register allocator",                                                  &ra_var),
-       LC_OPT_ENT_ENUM_PTR ("isa",          "the instruction set architecture",                                    &isa_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 (off, warn, assert)",                          &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_BOOL     ("sched.mris",   "enable mris schedule preparation",                                    &be_options.mris),
-       LC_OPT_ENT_ENUM_PTR ("sched.select", "schedule node selector (trivial, regpress, muchnik, heur, hmuchnik)", &sched_select_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_ENUM_PTR ("ra",       "register allocator",                                  &ra_var),
+       LC_OPT_ENT_ENUM_PTR ("isa",      "the instruction set architecture",                    &isa_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)),
 
 #ifdef WITH_ILP
        LC_OPT_ENT_STR ("ilp.server", "the ilp server name", be_options.ilp_server, sizeof(be_options.ilp_server)),
@@ -195,9 +200,9 @@ void be_opt_register(void)
        static int run_once = 0;
 
        if (! run_once) {
-               run_once    = 1;
-               be_grp_root = lc_opt_get_grp(firm_opt_get_root(), "be");
-               be_grp_ra   = lc_opt_get_grp(be_grp_root, "ra");
+               run_once     = 1;
+               be_grp_root  = lc_opt_get_grp(firm_opt_get_root(), "be");
+               be_grp_ra    = lc_opt_get_grp(be_grp_root, "ra");
 
                lc_opt_add_table(be_grp_root, be_main_options);
 
@@ -212,6 +217,16 @@ void be_opt_register(void)
                        const arch_isa_if_t *isa = isa_items[i].value;
                        isa->register_options(be_grp_root);
                }
+
+               /* list scheduler register options */
+               list_sched_register_options(be_grp_root);
+
+#ifdef WITH_ILP
+               /* ilp scheduler register options */
+               ilpsched_register_options(be_grp_root);
+#endif /* WITH_ILP */
+
+               be_block_schedule_register_options(be_grp_root);
        }
 #endif /* WITH_LIBCORE */
 }
@@ -418,6 +433,8 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
        be_irg_t *birgs;
        unsigned num_birgs;
 
+       be_ra_timer_t *ra_timer;
+
 #ifdef WITH_LIBCORE
        lc_timer_t *t_abi      = NULL;
        lc_timer_t *t_codegen  = NULL;
@@ -428,7 +445,6 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
        lc_timer_t *t_emit     = NULL;
        lc_timer_t *t_other    = NULL;
        lc_timer_t *t_verify   = NULL;
-       be_ra_timer_t *ra_timer;
 
        if (be_options.timing == BE_TIME_ON) {
                t_abi      = lc_timer_register("beabi",    "be abi introduction");
@@ -489,6 +505,17 @@ 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;
+
+               if(be_stat_ev_is_active()) {
+                       ir_snprintf(irg_name, sizeof(irg_name), "%F", irg);
+                       be_stat_tags[STAT_TAG_CLS] = "<all>";
+                       be_stat_tags[STAT_TAG_IRG] = irg_name;
+                       be_stat_ev_push(be_stat_tags, STAT_TAG_LAST, be_stat_file);
+               }
 
                /* stop and reset timers */
                BE_TIMER_ONLY(
@@ -507,7 +534,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
                /**
                 * Create execution frequencies from profile data or estimate some
                 */
-               if(be_profile_has_data()) {
+               if (be_profile_has_data()) {
                        birg->execfreqs = be_create_execfreqs_from_profile(irg);
                } else {
                        birg->execfreqs = compute_execfreq(irg, 10);
@@ -524,9 +551,6 @@ 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);
 
-               /* set the current graph (this is important for several firm functions) */
-               current_ir_graph = irg;
-
                /* reset the phi handler. */
                be_phi_handler_reset(env.phi_handler);
 
@@ -549,7 +573,7 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
                        Since the code generator made a lot of new nodes and skipped
                        a lot of old ones, we should do dead node elimination here.
                        Note that this requires disabling the edges here.
-                */
+               */
                edges_deactivate(irg);
                //dead_node_elimination(irg);
                edges_activate(irg);
@@ -566,7 +590,20 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
 
                /* schedule the irg */
                BE_TIMER_PUSH(t_sched);
-               list_sched(birg, &be_options);
+               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);
+                               //fprintf(stderr, "Warning: ILP scheduler not yet fully implemented, falling back to list scheduler.\n");
+                               //list_sched(birg, &be_options);
+                               break;
+#endif /* WITH_ILP */
+               };
                BE_TIMER_POP(t_sched);
 
                dump(DUMP_SCHED, irg, "-sched", dump_ir_block_graph_sched);
@@ -613,11 +650,21 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
                arch_code_generator_before_ra(birg->cg);
                BE_TIMER_POP(t_codegen);
 
+               if(be_stat_ev_is_active()) {
+                       be_stat_ev_l("costs_before_ra",
+                                       (long) be_estimate_irg_costs(irg, env.arch_env, birg->execfreqs));
+               }
+
                /* Do register allocation */
                BE_TIMER_PUSH(t_regalloc);
                ra_timer = ra->allocate(birg);
                BE_TIMER_POP(t_regalloc);
 
+               if(be_stat_ev_is_active()) {
+                       be_stat_ev_l("costs_after_ra",
+                                       (long) be_estimate_irg_costs(irg, env.arch_env, birg->execfreqs));
+               }
+
                dump(DUMP_RA, irg, "-ra", dump_ir_block_graph_sched);
                be_do_stat_nodes(irg, "06 Register Allocation");
 
@@ -675,13 +722,25 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
                BE_TIMER_ONLY(num_nodes_a = get_num_reachable_nodes(irg));
                BE_TIMER_POP(t_other);
 
-#define LC_EMIT(timer)    printf("%-20s: %.3lf msec\n", lc_timer_get_description(timer), (double)lc_timer_elapsed_usec(timer) / 1000.0)
-#define LC_EMIT_RA(timer) printf("\t%-20s: %.3lf msec\n", lc_timer_get_description(timer), (double)lc_timer_elapsed_usec(timer) / 1000.0)
+#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)); \
+       }
                BE_TIMER_ONLY(
-                       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);
+                       if(!be_stat_ev_is_active()) {
+                               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);
@@ -711,6 +770,10 @@ static void be_main_loop(FILE *file_handle, const char *cup_name)
         /* switched off due to statistics (statistic module needs all irgs) */
                if (! stat_is_active())
                        free_ir_graph(irg);
+
+               if(be_stat_ev_is_active()) {
+                       be_stat_ev_pop();
+               }
        }
        be_profile_free();
        be_done_env(&env);
@@ -725,9 +788,7 @@ void be_main(FILE *file_handle, const char *cup_name)
 {
 #ifdef WITH_LIBCORE
        lc_timer_t *t = NULL;
-#endif /* WITH_LIBCORE */
 
-#ifdef WITH_LIBCORE
        /* The user specified another config file to read. do that now. */
        if(strlen(config_file) > 0) {
                FILE *f;
@@ -747,20 +808,29 @@ void be_main(FILE *file_handle, const char *cup_name)
 
                lc_timer_reset_and_start(t);
        }
+
+       be_init_stat_file(be_options.stat_file_name, cup_name);
 #endif /* WITH_LIBCORE */
 
        /* never build code for pseudo irgs */
        set_visit_pseudo_irgs(0);
 
        be_node_init();
+
        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();
-               printf("%-20s: %lu msec\n", "BEMAINLOOP", lc_timer_elapsed_msec(t));
+               if(be_stat_ev_is_active()) {
+                       be_stat_ev_l("backend_time", lc_timer_elapsed_msec(t));
+               } else {
+                       printf("%-20s: %lu msec\n", "BEMAINLOOP", lc_timer_elapsed_msec(t));
+               }
        }
+
+       be_close_stat_file();
 #endif /* WITH_LIBCORE */
 }
 
@@ -776,6 +846,7 @@ void be_set_debug_retrieve(retrieve_dbg_func func) {
 const char *be_retrieve_dbg_info(const dbg_info *dbg, unsigned *line) {
        if (retrieve_dbg)
                return retrieve_dbg(dbg, line);
+
        *line = 0;
        return NULL;
 }
@@ -791,6 +862,6 @@ int be_put_ignore_regs(const be_irg_t *birg, const arch_register_class_t *cls, b
        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);
-       return bitset_popcnt(bs);
 
+       return bitset_popcnt(bs);
 }