generate emitter functions from spec

[libfirm] / ir / be / bemain.c

diff --git a/ir/be/bemain.c b/ir/be/bemain.c
index b5a35be..82ed7e4 100644 (file)
--- a/ir/be/bemain.c
+++ b/ir/be/bemain.c
@@ -38,15 +38,25 @@
 #include "benode_t.h"
 #include "beirgmod.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();
@@ -55,6 +65,7 @@ void be_init(void)
        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)
@@ -97,6 +108,9 @@ static void prepare_graph(be_main_session_env_t *s)
        /* 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);
 
@@ -114,9 +128,7 @@ static void prepare_graph(be_main_session_env_t *s)
        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)
@@ -128,13 +140,19 @@ 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_1, "====> IRG: %F\n", irg));
+               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);
@@ -142,9 +160,27 @@ static void be_main_loop(void)
                /* Compute some analyses and prepare the graph for backend use. */
                prepare_graph(&session);
 
+                transform_firm(irg);
+
+#ifdef DUMP_TRANSFORM
+               dump_ir_block_graph(irg, "-transformed");
+#endif
+
+
+#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
 
                /* Verify the schedule */
                sched_verify_irg(irg);
@@ -152,19 +188,18 @@ static void be_main_loop(void)
                /* Build liveness information */
                be_liveness(irg);
 
-               copystat_reset();
-               copystat_collect_irg(irg, env.arch_env);
-
                /* 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_spill_ilp(&session, 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);
@@ -181,46 +216,45 @@ static void be_main_loop(void)
                        }
 #endif
 
+                       /* allocation */
                        chordal_env = be_ra_chordal(&session, cls);
-
 #ifdef DUMP_ALLOCATED
                        dump_allocated_irg(env.arch_env, irg, "");
 #endif
-#if 0
-                       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
 
+                       /* ssa destruction */
                        be_ssa_destruction(chordal_env);
                        be_ssa_destruction_check(chordal_env);
-#endif
                        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);
                }
-               dump_ir_block_graph_sched(session.irg, "-post");
-
+#ifdef DUMP_END
+               dump_ir_block_graph_sched(session.irg, "-end");
+#endif
                copystat_dump(irg);
-               copystat_dump_pretty(irg);
+#endif /* if 0 */
        }
 }
 
 void be_main(int argc, const char *argv[])
 {
-       assembler_t *gnu_assembler;
-       FILE *asm_output_file;
-
-       mtrace();
-       be_main_loop();
-       muntrace();
-
-       gnu_assembler = gnuasm_create_assembler();
-       asm_output_file = fopen("asm_output.asm", "w");
+  FILE *asm_output_file;
 
-       asm_dump_globals(gnu_assembler);
-       gnuasm_dump(gnu_assembler, asm_output_file);
-       gnuasm_delete_assembler(gnu_assembler);
-       fclose(asm_output_file);
+  be_main_loop();
 
+  asm_output_file = fopen(argv[0], "w");
+  firmbe_gen_code(asm_output_file);
+  fclose(asm_output_file);
 }