#include "execfreq.h"
#include "bearch.h"
-#include "firm/bearch_firm.h"
-#include "ia32/bearch_ia32.h"
-#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 "bemodule.h"
#include "beutil.h"
#include "benode_t.h"
#include "beirgmod.h"
#include "bestat.h"
#include "beverify.h"
#include "beprofile.h"
-#include "beblocksched.h"
#include "be_dbgout.h"
#ifdef WITH_ILP
/* config file. */
static char config_file[256] = { 0 };
-/* register allocator to use. */
-static const be_ra_t *ra = &be_ra_chordal_allocator;
-
/* back end instruction set architecture to use */
-static const arch_isa_if_t *isa_if = &ia32_isa_if;
+static const arch_isa_if_t *isa_if = NULL;
#ifdef WITH_LIBCORE
-static lc_opt_entry_t *be_grp_root = NULL;
-
/* possible dumping options */
static const lc_opt_enum_mask_items_t dump_items[] = {
{ "none", DUMP_NONE },
{ NULL, 0 }
};
-/* register allocators */
-static const lc_opt_enum_const_ptr_items_t ra_items[] = {
- { "chordal", &be_ra_chordal_allocator },
- { "external", &be_ra_external_allocator },
- { NULL, NULL }
-};
-
-/* instruction set architectures. */
-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 },
-#endif
- { NULL, NULL }
-};
-
/* verify options. */
static const lc_opt_enum_int_items_t vrfy_items[] = {
{ "off", BE_VRFY_OFF },
&be_options.dump_flags, dump_items
};
-static lc_opt_enum_const_ptr_var_t ra_var = {
- (const void **) &ra, ra_items
-};
-
-static lc_opt_enum_const_ptr_var_t isa_var = {
- (const void **) &isa_if, isa_items
-};
-
static lc_opt_enum_int_var_t vrfy_var = {
&be_options.vrfy_option, vrfy_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", &vrfy_var),
#endif /* WITH_LIBCORE */
+static be_module_list_entry_t *isa_ifs = NULL;
+
+void be_register_isa_if(const char *name, const arch_isa_if_t *isa)
+{
+ if(isa_if == NULL)
+ isa_if = isa;
+
+ be_add_module_to_list(&isa_ifs, name, (void*) isa);
+}
+
void be_opt_register(void)
{
#ifdef WITH_LIBCORE
- int i;
- lc_opt_entry_t *be_grp_ra;
+ lc_opt_entry_t *be_grp;
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");
-
- lc_opt_add_table(be_grp_root, be_main_options);
-
- /* register allocator options */
- for(i = 0; ra_items[i].name != NULL; ++i) {
- const be_ra_t *ra = ra_items[i].value;
- ra->register_options(be_grp_ra);
- }
-
- /* register isa options */
- for(i = 0; isa_items[i].name != NULL; ++i) {
- const arch_isa_if_t *isa = isa_items[i].value;
- isa->register_options(be_grp_root);
- }
+ if (run_once) {
+ return;
+ }
+ run_once = 1;
- /* list scheduler register options */
- list_sched_register_options(be_grp_root);
+ be_init_modules();
-#ifdef WITH_ILP
- /* ilp scheduler register options */
- ilpsched_register_options(be_grp_root);
-#endif /* WITH_ILP */
+ be_grp = lc_opt_get_grp(firm_opt_get_root(), "be");
+ lc_opt_add_table(be_grp, be_main_options);
- be_block_schedule_register_options(be_grp_root);
- }
+ 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_root, stdout);
+ lc_opt_print_help(be_grp, stdout);
return -1;
}
- return lc_opt_from_single_arg(be_grp_root, NULL, arg, NULL);
+ return lc_opt_from_single_arg(be_grp, NULL, arg, NULL);
#else
return 0;
#endif /* WITH_LIBCORE */
const backend_params *be_init(void)
{
be_opt_register();
-
- be_sched_init();
- be_numbering_init();
- be_copy_opt_init();
- copystat_init();
- phi_class_init();
+ be_init_modules();
if (isa_if->get_params)
return isa_if->get_params();
/* Remove critical edges */
remove_critical_cf_edges(irg);
- /* Compute the dominance information. */
- free_dom(irg);
- compute_doms(irg);
-
/* Ensure, that the ir_edges are computed. */
edges_assure(irg);
- /* check, if the dominance property is fulfilled. */
- be_check_dominance(irg);
-
/* reset the phi handler. */
be_phi_handler_reset(env->phi_handler);
+
+ set_irg_phase_state(irg, phase_backend);
}
#ifdef WITH_LIBCORE
static const char suffix[] = ".prof";
be_irg_t *birgs;
unsigned num_birgs;
+ ir_graph **irg_list, **backend_irg_list;
be_ra_timer_t *ra_timer;
be_dbg_so(env.db_handle, cup_name);
be_dbg_types(env.db_handle);
+ /* 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);
+
/* we might need 1 birg more for instrumentation constructor */
- num_birgs = get_irp_n_irgs();
+ num_birgs = backend_irg_list ? ARR_LEN(backend_irg_list) : get_irp_n_irgs();
birgs = alloca(sizeof(birgs[0]) * (num_birgs + 1));
/* First: initialize all birgs */
- for(i = 0; i < get_irp_n_irgs(); ++i) {
- ir_graph *irg = get_irp_irg(i);
-
+ 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);
}
+ /* TODO: DEL_ARR_F(irg_list) will break, if list was modified by Backend ?!?! */
+ if (backend_irg_list)
+ DEL_ARR_F(backend_irg_list);
+ else
+ DEL_ARR_F(irg_list);
/*
Get the filename for the profiling data.
/* For all graphs */
for (i = 0; i < num_birgs; ++i) {
- be_irg_t *birg = & birgs[i];
+ be_irg_t *birg = &birgs[i];
ir_graph *irg = birg->irg;
optimization_state_t state;
const arch_code_generator_if_t *cg_if;
/* 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] = "<all>";
be_stat_tags[STAT_TAG_IRG] = irg_name;
be_stat_ev_push(be_stat_tags, STAT_TAG_LAST, be_stat_file);
}
+#endif
/* stop and reset timers */
BE_TIMER_ONLY(
);
BE_TIMER_PUSH(t_other); /* t_other */
- /**
- * Create execution frequencies from profile data or estimate some
- */
- if (be_profile_has_data()) {
- birg->execfreqs = be_create_execfreqs_from_profile(irg);
- } else {
- birg->execfreqs = compute_execfreq(irg, 10);
+ /* Verify the initial graph */
+ BE_TIMER_PUSH(t_verify);
+ if (be_options.vrfy_option == BE_VRFY_WARN) {
+ irg_verify(irg, VRFY_ENFORCE_SSA);
+ be_check_dominance(irg);
+ } else if (be_options.vrfy_option == BE_VRFY_ASSERT) {
+ assert(irg_verify(irg, VRFY_ENFORCE_SSA) && "irg verification failed");
+ assert(be_check_dominance(irg) && "Dominance verification failed");
}
+ BE_TIMER_POP(t_verify);
BE_TIMER_ONLY(num_nodes_b = get_num_reachable_nodes(irg));
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);
+ be_verify_out_edges(irg);
+ }
+ 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 */
BE_TIMER_PUSH(t_codegen);
arch_code_generator_prepare_graph(birg->cg);
be_do_stat_nodes(irg, "03 Prepare");
- /*
- 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);
-
/* Compute loop nesting information (for weighting copies) */
- construct_cf_backedges(irg);
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) {
+ assert(be_verify_out_edges(irg));
+ assert(be_check_dominance(irg) && "Dominance verification failed");
+ }
+
+ /**
+ * Create execution frequencies from profile data or estimate some
+ */
+ if (be_profile_has_data()) {
+ birg->exec_freq = be_create_execfreqs_from_profile(irg);
+ } else {
+ birg->exec_freq = compute_execfreq(irg, 10);
+ }
+
/* let backend prepare scheduling */
BE_TIMER_PUSH(t_codegen);
arch_code_generator_before_sched(birg->cg);
#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);
+ //fprintf(stderr, "Warning: ILP scheduler not yet fully implemented, falling back to list scheduler.\n");
+ //list_sched(birg, &be_options);
break;
#endif /* WITH_ILP */
};
arch_code_generator_before_ra(birg->cg);
BE_TIMER_POP(t_codegen);
+#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->execfreqs));
+ (long) be_estimate_irg_costs(irg, env.arch_env, birg->exec_freq));
}
+#endif
/* Do register allocation */
BE_TIMER_PUSH(t_regalloc);
- ra_timer = ra->allocate(birg);
+ 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->execfreqs));
+ (long) be_estimate_irg_costs(irg, env.arch_env, birg->exec_freq));
}
+#endif
dump(DUMP_RA, irg, "-ra", dump_ir_block_graph_sched);
be_do_stat_nodes(irg, "06 Register Allocation");
be_abi_fix_stack_bias(birg->abi);
BE_TIMER_POP(t_abi);
+ dump(DUMP_SCHED, irg, "-fix_stack_after_ra", dump_ir_block_graph_sched);
+
BE_TIMER_PUSH(t_finish);
arch_code_generator_finish(birg->cg);
BE_TIMER_POP(t_finish);
arch_code_generator_done(birg->cg);
BE_TIMER_POP(t_emit);
- dump(DUMP_FINAL, irg, "-end", dump_ir_extblock_graph_sched);
+ dump(DUMP_FINAL, irg, "-end", dump_ir_block_graph_sched);
BE_TIMER_PUSH(t_abi);
be_abi_free(birg->abi);
#undef LC_EMIT_RA
#undef LC_EMIT
- free_execfreq(birg->execfreqs);
+ be_free_birg(birg);
/* switched off due to statistics (statistic module needs all irgs) */
+#ifdef FIRM_STATISTICS
if (! stat_is_active())
+#endif
free_ir_graph(irg);
if(be_stat_ev_is_active()) {
lc_timer_reset_and_start(t);
}
+#ifdef FIRM_STATISTICS
be_init_stat_file(be_options.stat_file_name, cup_name);
+#endif
#endif /* WITH_LIBCORE */
/* never build code for pseudo irgs */
}
}
+#ifdef FIRM_STATISTICS
be_close_stat_file();
+#endif
#endif /* WITH_LIBCORE */
}
projects / libfirm / blobdiff