#include "bessadestr.h"
#include "beabi.h"
#include "belower.h"
+#include "beschedmris.h"
+#include "bestat.h"
+#include "beverify.h"
#define DUMP_INITIAL (1 << 0)
#define DUMP_ABI (1 << 1)
};
/* dump flags */
-static unsigned dump_flags = 2 * DUMP_FINAL - 1;
+static unsigned dump_flags = 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 int be_disable_mris = 0;
+
#ifdef WITH_LIBCORE
static lc_opt_entry_t *be_grp_root = NULL;
/* instruction set architectures. */
static const lc_opt_enum_const_ptr_items_t isa_items[] = {
- { "firm", &firm_isa },
{ "ia32", &ia32_isa_if },
+#if 0
{ "arm", &arm_isa_if },
{ "ppc32", &ppc32_isa_if },
{ "mips", &mips_isa_if },
+#endif
{ 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)),
/* 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);
+#else
+ return 0;
#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, FILE *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) {
ir_graph *irg = get_irp_irg(i);
const arch_code_generator_if_t *cg_if;
be_irg_t birg;
+ int save_optimize, save_normalize;
birg.irg = irg;
birg.main_env = &env;
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);
+ be_do_stat_nodes(irg, "01 Begin");
+
/* set the current graph (this is important for several firm functions) */
current_ir_graph = birg.irg;
birg.abi = be_abi_introduce(&birg);
dump(DUMP_ABI, irg, "-abi", dump_ir_block_graph);
+ be_do_stat_nodes(irg, "02 Abi");
+
/* generate code */
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.
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);
+
+ DEBUG_ONLY(be_verify_schedule(birg.irg);)
+
+ be_do_stat_nodes(irg, "04 Schedule");
+
+ /* we switch off optimizations here, because they might cause trouble */
+ save_optimize = get_optimize();
+ save_normalize = get_opt_normalize();
+ set_optimize(0);
+ set_opt_normalize(0);
+
+ /* add Keeps for should_be_different constrained nodes */
+ /* beware: needs schedule due to usage of be_ssa_constr */
+ assure_constraints(&birg);
+ dump(DUMP_SCHED, irg, "-assured", dump_ir_block_graph_sched);
+
+ be_do_stat_nodes(irg, "05 Constraints");
/* 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);
ra->allocate(&birg);
dump(DUMP_RA, irg, "-ra", dump_ir_block_graph_sched);
+ be_do_stat_nodes(irg, "06 Register Allocation");
+
arch_code_generator_after_ra(birg.cg);
be_abi_fix_stack_bias(birg.abi);
+ DEBUG_ONLY(be_verify_schedule(birg.irg);)
+
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_do_stat_nodes(irg, "07 Final");
+
+ /* reset the optimizations */
+ set_optimize(save_optimize);
+ set_opt_normalize(save_normalize);
+ /* switched of due to statistics (statistic module needs all irgs) */
+ // free_ir_graph(irg);
+ }
be_done_env(&env);
}
projects / libfirm / blobdiff