#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"
/* 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();
+ be_init_modules();
phi_class_init();
if (isa_if->get_params)
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));
/* 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
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);
#undef LC_EMIT_RA
#undef LC_EMIT
- free_execfreq(birg->exec_freq);
- birg->exec_freq = NULL;
-
- if(birg->dom_front != NULL) {
- be_free_dominance_frontiers(birg->dom_front);
- birg->dom_front = NULL;
- }
- if(birg->lv != NULL) {
- be_liveness_free(birg->lv);
- birg->lv = NULL;
- }
+ be_free_birg(birg);
/* switched off due to statistics (statistic module needs all irgs) */
#ifdef FIRM_STATISTICS
return bitset_popcnt(bs);
}
-
-void be_assure_liveness(be_irg_t *birg)
-{
- if(birg->lv != NULL)
- return;
-
- birg->lv = be_liveness(birg->irg);
-}
-
-void be_invalidate_liveness(be_irg_t *birg)
-{
- if(birg->lv == NULL)
- return;
-
- be_liveness_free(birg->lv);
- birg->lv = NULL;
-}
-
-void be_assure_dom_front(be_irg_t *birg)
-{
- if(birg->dom_front != NULL)
- return;
-
- birg->dom_front = be_compute_dominance_frontiers(birg->irg);
-}
-
-void be_invalidate_dom_front(be_irg_t *birg)
-{
- if(birg->dom_front == NULL)
- return;
-
- be_free_dominance_frontiers(birg->dom_front);
- birg->dom_front = NULL;
-}
projects / libfirm / blobdiff