#include "bessadestr.h"
#include "beabi.h"
#include "belower.h"
+#include "beschedmris.h"
+#include "bestat.h"
#define DUMP_INITIAL (1 << 0)
#define DUMP_ABI (1 << 1)
static lc_opt_entry_t *be_grp_root = NULL;
+static int be_disable_mris = 0;
+
/* possible dumping options */
static const lc_opt_enum_mask_items_t dump_items[] = {
{ "none", 0 },
{ "firm", &firm_isa },
{ "ia32", &ia32_isa_if },
{ "arm", &arm_isa_if },
- { "ppc", &ppc32_isa_if },
+ { "ppc32", &ppc32_isa_if },
{ "mips", &mips_isa_if },
{ NULL, NULL }
};
};
static const lc_opt_table_entry_t be_main_options[] = {
- 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_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_omit_fp),
+ LC_OPT_ENT_NEGBOOL ("nomris", "disable mris schedule preparation", &be_disable_mris),
#ifdef WITH_ILP
LC_OPT_ENT_STR ("ilp.server", "the ilp server name", be_options.ilp_server, sizeof(be_options.ilp_server)),
#ifdef WITH_LIBCORE
int i;
lc_opt_entry_t *be_grp_ra;
-
- 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);
+ 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);
+ }
}
+#endif /* WITH_LIBCORE */
+}
- /* 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);
+/* Parse one argument. */
+int be_parse_arg(const char *arg) {
+#ifdef WITH_LIBCORE
+ if (strcmp(arg, "help") == 0 || (arg[0] == '?' && arg[1] == '\0')) {
+ lc_opt_print_help(be_grp_root, stdout);
+ return -1;
}
+ return lc_opt_from_single_arg(be_grp_root, NULL, arg, NULL);
#endif /* WITH_LIBCORE */
}
+/** The be parameters returned by default, all off. */
+const static backend_params be_params = {
+ NULL,
+ NULL,
+ 0,
+ NULL,
+};
-void be_init(void)
+/* Initialize the Firm backend. Must be run BEFORE init_firm()! */
+const backend_params *be_init(void)
{
be_opt_register();
be_copy_opt_init();
copystat_init();
phi_class_init();
+
+ if (isa_if->get_params)
+ return isa_if->get_params();
+ return &be_params;
}
-static be_main_env_t *be_init_env(be_main_env_t *env)
+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->options = &be_options;
FIRM_DBG_REGISTER(env->dbg, "be.main");
- arch_env_init(env->arch_env, isa_if);
+ arch_env_init(env->arch_env, isa_if, file_handle);
/* Register the irn handler of the architecture */
if (arch_isa_get_irn_handler(env->arch_env->isa))
}
static void dump(int mask, ir_graph *irg, const char *suffix,
- void (*dumper)(ir_graph *, const char *))
+ void (*dumper)(ir_graph *, const char *))
{
if(dump_flags & mask)
be_dump(irg, suffix, dumper);
arch_isa_t *isa;
be_main_env_t env;
- be_init_env(&env);
+ be_init_env(&env, file_handle);
isa = arch_env_get_isa(env.arch_env);
+ // /* for debugging, anchors helps */
+ // dump_all_anchors(1);
+
/* For all graphs */
- for(i = 0, n = get_irp_n_irgs(); i < n; ++i) {
+ for (i = 0, n = get_irp_n_irgs(); i < n; ++i) {
ir_graph *irg = get_irp_irg(i);
const arch_code_generator_if_t *cg_if;
be_irg_t birg;
cg_if = isa->impl->get_code_generator_if(isa);
/* get a code generator for this graph. */
- birg.cg = cg_if->init(file_handle, &birg);
+ birg.cg = cg_if->init(&birg);
/* create the code generator and generate code. */
prepare_graph(&birg);
dump(DUMP_PREPARED, irg, "-prepared", dump_ir_block_graph);
- /* add Keeps for should_be_different constrained nodes */
- // assure_constraints(&birg);
- dump(DUMP_PREPARED, irg, "-assured", dump_ir_block_graph);
-
/* Schedule the graphs. */
arch_code_generator_before_sched(birg.cg);
- list_sched(env.arch_env, irg);
+ list_sched(&birg, be_disable_mris);
+ dump(DUMP_SCHED, irg, "-sched", dump_ir_block_graph_sched);
+
+ /* add Keeps for should_be_different constrained nodes */
+ /* beware: needs schedule due to usage of be_ssa_constr */
+ assure_constraints(&birg);
+ dump(DUMP_PREPARED, irg, "-assured", dump_ir_block_graph_sched);
/* connect all stack modifying nodes together (see beabi.c) */
be_abi_fix_stack_nodes(birg.abi);
- dump(DUMP_SCHED, irg, "-sched", dump_ir_block_graph_sched);
+ dump(DUMP_SCHED, irg, "-fix_stack", dump_ir_block_graph_sched);
/* Verify the schedule */
- sched_verify_irg(irg);
+ assert(sched_verify_irg(irg));
+
+ /* do some statistics */
+ be_do_stat_reg_pressure(&birg);
/* Do register allocation */
arch_code_generator_before_ra(birg.cg);
be_abi_fix_stack_bias(birg.abi);
arch_code_generator_done(birg.cg);
- dump(DUMP_FINAL, irg, "-end", dump_ir_block_graph_sched);
+ dump(DUMP_FINAL, irg, "-end", dump_ir_extblock_graph_sched);
be_abi_free(birg.abi);
- }
+// free_ir_graph(irg);
+ }
be_done_env(&env);
}
projects / libfirm / blobdiff