#endif
#include <stdarg.h>
+#include <mcheck.h>
#include "obst.h"
#include "bitset.h"
#include "bearch_firm.h"
#include "benode_t.h"
#include "beirgmod.h"
-#include "bedupl.h"
+#include "bespillilp.h"
+#include "bespillbelady.h"
#include "beasm_dump_globals.h"
#include "beasm_asm_gnu.h"
+#include "firm2arch.h"
+
+#undef DUMP_BEGIN
+#undef DUMP_PREPARED
+#define DUMP_TRANSFORM
+#define DUMP_SCHED
+#define DUMP_SPILL
#undef DUMP_ALLOCATED
+#undef DUMP_COPYMIN
+#undef DUMP_SSADESTR
+#undef DUMP_END
#define N_PHASES 256
-
void be_init(void)
{
be_sched_init();
be_ra_chordal_init();
be_copy_opt_init();
copystat_init();
+ phi_class_init();
}
static be_main_env_t *be_init_env(be_main_env_t *env)
const arch_isa_if_t *isa = &firm_isa;
obstack_init(&env->obst);
+ env->dbg = firm_dbg_register("be.main");
+ firm_dbg_set_mask(env->dbg, SET_LEVEL_1);
env->arch_env = obstack_alloc(&env->obst, sizeof(env->arch_env[0]));
arch_env_init(env->arch_env, isa);
static void prepare_graph(be_main_session_env_t *s)
{
- /*
- * Duplicate consts in each block
- * (This is just for the firm dummy backend)
- */
- // localize_consts(s->irg);
+ /* set the current graph (this is important for several firm functions) */
+ current_ir_graph = s->irg;
+
+ /* Let the isa prepare the graph. */
+ s->main_env->arch_env->isa->prepare_graph(s->irg);
+
+ /* Normalize proj nodes. */
+ normalize_proj_nodes(s->irg);
/* Remove critical edges */
remove_critical_cf_edges(s->irg);
s->dom_front = be_compute_dominance_frontiers(s->irg);
/* Ensure, that the ir_edges are computed. */
- edges_assure(s->irg);
+ edges_activate(s->irg);
/* Compute loop nesting information (for weighting copies) */
if (get_irg_loopinfo_state(s->irg) != (loopinfo_valid & loopinfo_cf_consistent))
construct_cf_backedges(s->irg);
- dump_dominator_information(true);
- dump_ir_block_graph(s->irg, "-prepared");
- dump_dominator_information(false);
+ be_check_dominance(s->irg);
}
static void be_main_loop(void)
be_init_env(&env);
isa = arch_env_get_isa(env.arch_env);
+ /* create required irop's */
+ create_bearch_asm_opcodes();
+
/* For all graphs */
for(i = 0, n = get_irp_n_irgs(); i < n; ++i) {
int j, m;
ir_graph *irg = get_irp_irg(i);
be_main_session_env_t session;
+ DBG((env.dbg, LEVEL_2, "====> IRG: %F\n", irg));
+#ifdef DUMP_BEGIN
+ dump_ir_block_graph(irg, "-begin");
+#endif
+
/* Init the session. */
be_init_session_env(&session, &env, irg);
/* Compute some analyses and prepare the graph for backend use. */
prepare_graph(&session);
- /* Schedule the graphs. */
- list_sched(irg, trivial_selector);
+ transform_firm(irg);
- /* Verify the schedule */
- sched_verify_irg(irg);
+#ifdef DUMP_TRANSFORM
+ dump_ir_block_graph(irg, "-transformed");
+#endif
- /* Remove all cases where a phi and one of its arguments interfere */
- be_eliminate_phi_interferences(&session);
- dump_ir_block_graph(session.irg, "-prephase");
- /* Liveness analysis */
- be_liveness(irg);
+#if 0
+#ifdef DUMP_PREPARED
+ dump_dominator_information(true);
+ dump_ir_block_graph(irg, "-prepared");
+ dump_dominator_information(false);
+#endif
+
+ /* Schedule the graphs. */
+ list_sched(irg, trivial_selector);
+ be_sched_imm(irg);
+#ifdef DUMP_SCHED
dump_ir_block_graph_sched(irg, "-sched");
+#endif
- copystat_reset();
- copystat_collect_irg(irg, env.arch_env);
+ /* Verify the schedule */
+ sched_verify_irg(irg);
- /*
- * Verifying the schedule once again cannot hurt.
- */
- sched_verify_irg(irg);
+ /* Build liveness information */
+ be_liveness(irg);
/* Perform the following for each register class. */
for(j = 0, m = isa->get_n_reg_class(); j < m; ++j) {
be_chordal_env_t *chordal_env;
const arch_register_class_t *cls = isa->get_reg_class(j);
+ DBG((env.dbg, LEVEL_1, "----> Reg class: %s\n", cls->name));
- be_numbering(irg);
- be_liveness(irg);
-
- chordal_env = be_ra_chordal(irg, env.arch_env, cls);
+ /* spilling */
+ //be_spill_ilp(&session, cls);
+ be_spill_belady(&session, cls);
+#ifdef DUMP_SPILL
+ dump_ir_block_graph_sched(session.irg, "-spill");
+#endif
+ be_liveness(irg);
+ be_numbering(irg);
+ be_check_pressure(&session, cls);
+
+#if 0
+ {
+ FILE *f;
+ char buf[128];
+ ir_snprintf(buf, sizeof(buf), "%F_%s-live.txt", irg, cls->name);
+ if((f = fopen(buf, "wt")) != NULL) {
+ be_liveness_dump(session.irg, f);
+ fclose(f);
+ }
+ }
+#endif
+ /* allocation */
+ chordal_env = be_ra_chordal(&session, cls);
#ifdef DUMP_ALLOCATED
dump_allocated_irg(env.arch_env, irg, "");
#endif
- copystat_collect_cls(chordal_env);
+ /* copy minimization */
+ copystat_collect_cls(chordal_env);
be_copy_opt(chordal_env);
+#ifdef DUMP_COPYMIN
+ dump_allocated_irg(env.arch_env, irg, "-copymin");
+#endif
- be_ssa_destruction(&session, chordal_env);
- be_ssa_destruction_check(&session, chordal_env);
+ /* ssa destruction */
+ be_ssa_destruction(chordal_env);
+ be_ssa_destruction_check(chordal_env);
be_ra_chordal_check(chordal_env);
+#ifdef DUMP_SSADESTR
+ dump_allocated_irg(env.arch_env, irg, "-ssadestr");
+#endif
- be_ra_chordal_done(chordal_env);
- be_numbering_done(irg);
+ be_ra_chordal_done(chordal_env);
+ be_numbering_done(irg);
}
-
- copystat_dump_pretty(irg);
+#ifdef DUMP_END
+ dump_ir_block_graph_sched(session.irg, "-end");
+#endif
+ copystat_dump(irg);
+#endif /* if 0 */
}
}
void be_main(int argc, const char *argv[])
{
- assembler_t *gnu_assembler;
- FILE *asm_output_file;
+ FILE *asm_output_file;
- be_main_loop();
- gnu_assembler = gnuasm_create_assembler();
- asm_output_file = fopen("asm_output.asm", "w");
+ be_main_loop();
- asm_dump_globals(gnu_assembler);
- gnuasm_dump(gnu_assembler, asm_output_file);
- gnuasm_delete_assembler(gnu_assembler);
- fclose(asm_output_file);
+ asm_output_file = fopen(argv[0], "w");
+ firmbe_gen_code(asm_output_file);
+ fclose(asm_output_file);
}
projects / libfirm / blobdiff