#include "becopystat.h"
#include "bessadestr.h"
#include "beabi.h"
-
+#include "belower.h"
#define DUMP_INITIAL (1 << 0)
#define DUMP_ABI (1 << 1)
if (arch_isa_get_irn_handler(env->arch_env->isa))
arch_env_push_irn_handler(env->arch_env, arch_isa_get_irn_handler(env->arch_env->isa));
- /*
- * Register the node handler of the back end infrastructure.
- * This irn handler takes care of the platform independent
- * spill, reload and perm nodes.
- */
+ /*
+ * Register the node handler of the back end infrastructure.
+ * This irn handler takes care of the platform independent
+ * spill, reload and perm nodes.
+ */
arch_env_push_irn_handler(env->arch_env, &be_node_irn_handler);
return env;
void (*dumper)(ir_graph *, const char *))
{
if(dump_flags & mask)
- dumper(irg, suffix);
+ be_dump(irg, suffix, dumper);
}
+/**
+ * Prepare a backend graph for code generation.
+ */
static void prepare_graph(be_irg_t *birg)
{
ir_graph *irg = birg->irg;
/* check, if the dominance property is fulfilled. */
be_check_dominance(irg);
-
}
+/**
+ * The Firm backend main loop.
+ * Do architecture specific lowering for all graphs
+ * and call the architecture specific code generator.
+ */
static void be_main_loop(FILE *file_handle)
{
int i, n;
/* create the code generator and generate code. */
prepare_graph(&birg);
+ /* some transformations need to be done before abi introduce */
+ arch_code_generator_before_abi(birg.cg);
+
/* implement the ABI conventions. */
birg.abi = be_abi_introduce(&birg);
dump(DUMP_ABI, irg, "-abi", dump_ir_block_graph);
/*
* Since the code generator made a lot of new nodes and skipped
- * a lot of old ones, we should do dead node elim here.
+ * a lot of old ones, we should do dead node elimination here.
* Note that this requires disabling the edges here.
*/
edges_deactivate(irg);
/* 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(isa, irg);
+ list_sched(env.arch_env, irg);
/* connect all stack modifying nodes together (see beabi.c) */
be_abi_fix_stack_nodes(birg.abi);
void be_main(FILE *file_handle)
{
/* never build code for pseudo irgs */
- set_visit_pseudo_irgs(0);
+ set_visit_pseudo_irgs(0);
be_node_init();
be_main_loop(file_handle);