Changed API a little

[libfirm] / ir / be / bemain.c

diff --git a/ir/be/bemain.c b/ir/be/bemain.c
index 9519a37..a0e0e58 100644 (file)
--- a/ir/be/bemain.c
+++ b/ir/be/bemain.c
@@ -27,28 +27,29 @@
 #include "irloop_t.h"
 #include "irtools.h"
 
+#include "bearch.h"
+#include "firm/bearch_firm.h"
+#include "ia32/bearch_ia32.h"
+
 #include "be_t.h"
-#include "bechordal_t.h"
-#include "bera.h"
-#include "beifg.h"
-#include "beifg_impl.h"
 #include "benumb_t.h"
+#include "beutil.h"
+#include "benode_t.h"
+#include "beirgmod.h"
 #include "besched_t.h"
 #include "belistsched.h"
 #include "belive_t.h"
-#include "beutil.h"
-#include "bechordal.h"
-#include "bearch.h"
+#include "bespillilp.h"
+#include "bespillbelady.h"
+#include "bera.h"
+#include "beraextern.h"
+#include "bechordal_t.h"
+#include "beifg.h"
+#include "beifg_impl.h"
 #include "becopyoptmain.h"
 #include "becopystat.h"
 #include "bessadestr.h"
-#include "benode_t.h"
-#include "beirgmod.h"
-#include "bespillilp.h"
-#include "bespillbelady.h"
 
-#include "firm/bearch_firm.h"
-#include "ia32/bearch_ia32.h"
 
 #define DUMP_INITIAL           (1 << 0)
 #define DUMP_SCHED                     (1 << 1)
@@ -72,7 +73,7 @@ static unsigned dump_flags = DUMP_INITIAL | DUMP_SCHED | DUMP_PREPARED | DUMP_RA
 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 = &firm_isa;
+static const arch_isa_if_t *isa_if = &ia32_isa_if;
 
 #ifdef WITH_LIBCORE
 
@@ -93,6 +94,7 @@ static const lc_opt_enum_mask_items_t dump_items[] = {
 /* 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 }
 };
 
@@ -131,15 +133,17 @@ void be_opt_register(void)
 {
 #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 register allocator 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_root);
+               ra->register_options(be_grp_ra);
        }
 
        /* register isa options */
@@ -163,13 +167,13 @@ void be_init(void)
        phi_class_init();
 }
 
-static be_main_env_t *be_init_env(be_main_env_t *env, FILE *file_handle)
+static be_main_env_t *be_init_env(be_main_env_t *env)
 {
   obstack_init(&env->obst);
   env->dbg = firm_dbg_register("be.main");
 
   env->arch_env = obstack_alloc(&env->obst, sizeof(env->arch_env[0]));
-  arch_env_init(env->arch_env, isa_if, file_handle);
+  arch_env_init(env->arch_env, isa_if);
 
   /* Register the irn handler of the architecture */
   if (arch_isa_get_irn_handler(env->arch_env->isa))
@@ -180,9 +184,7 @@ static be_main_env_t *be_init_env(be_main_env_t *env, FILE *file_handle)
    * This irn handler takes care of the platform independent
    * spill, reload and perm nodes.
    */
-  env->node_factory = obstack_alloc(&env->obst, sizeof(*env->node_factory));
-  be_node_factory_init(env->node_factory, env->arch_env->isa);
-  arch_env_add_irn_handler(env->arch_env, be_node_get_irn_handler(env->node_factory));
+  arch_env_add_irn_handler(env->arch_env, &be_node_irn_handler);
 
   return env;
 }
@@ -228,7 +230,7 @@ static void be_main_loop(FILE *file_handle)
        arch_isa_t *isa;
        be_main_env_t env;
 
-       be_init_env(&env, file_handle);
+       be_init_env(&env);
 
        isa = arch_env_get_isa(env.arch_env);
 
@@ -236,7 +238,7 @@ static void be_main_loop(FILE *file_handle)
        for(i = 0, n = get_irp_n_irgs(); i < n; ++i) {
                ir_graph *irg = get_irp_irg(i);
 
-               arch_code_generator_t *cg;
+               const arch_code_generator_if_t *cg_if;
 
                DBG((env.dbg, LEVEL_2, "====> IRG: %F\n", irg));
                dump(DUMP_INITIAL, irg, "-begin", dump_ir_block_graph);
@@ -244,12 +246,15 @@ static void be_main_loop(FILE *file_handle)
                /* set the current graph (this is important for several firm functions) */
                current_ir_graph = irg;
 
+               /* Get the code generator interface. */
+               cg_if = isa->impl->get_code_generator_if(isa);
+
                /* get a code generator for this graph. */
-               cg = arch_isa_make_code_generator(isa, irg);
+               env.cg = cg_if->init(file_handle, irg, env.arch_env);
 
                /* create the code generator and generate code. */
                prepare_graph(&env, irg);
-               arch_code_generator_prepare_graph(cg);
+               arch_code_generator_prepare_graph(env.cg);
 
                edges_deactivate(irg);
                dead_node_elimination(irg);
@@ -258,7 +263,7 @@ static void be_main_loop(FILE *file_handle)
                dump(DUMP_PREPARED, irg, "-prepared", dump_ir_block_graph);
 
                /* Schedule the graphs. */
-               arch_code_generator_before_sched(cg);
+               arch_code_generator_before_sched(env.cg);
                list_sched(isa, irg);
 
                dump(DUMP_SCHED, irg, "-sched", dump_ir_block_graph_sched);
@@ -267,12 +272,12 @@ static void be_main_loop(FILE *file_handle)
                sched_verify_irg(irg);
 
                /* Do register allocation */
-               arch_code_generator_before_ra(cg);
+               arch_code_generator_before_ra(env.cg);
                ra->allocate(&env, irg);
 
                dump(DUMP_RA, irg, "-ra", dump_ir_block_graph_sched);
 
-               arch_code_generator_done(cg);
+               arch_code_generator_done(env.cg);
                dump(DUMP_FINAL, irg, "-end", dump_ir_block_graph_sched);
        }
 
@@ -281,5 +286,6 @@ static void be_main_loop(FILE *file_handle)
 
 void be_main(FILE *file_handle)
 {
-  be_main_loop(file_handle);
+       be_node_init();
+       be_main_loop(file_handle);
 }