* @author Sebastian Hack
* @date 25.11.2004
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
-#include "besched.h"
+#include <stdarg.h>
+
+#include "obst.h"
+#include "bitset.h"
+
+#include "irprog.h"
+#include "irgraph.h"
+#include "irdump.h"
+#include "phiclass.h"
+
+#include "be_t.h"
+#include "bera_t.h"
+#include "benumb_t.h"
+#include "besched_t.h"
#include "belistsched.h"
#include "belive_t.h"
-#include "belive.h"
+#include "beutil.h"
+#include "bechordal.h"
+#include "bearch.h"
+#include "becopyoptmain.h"
+#include "becopystat.h"
+
+#include "beasm_dump_globals.h"
+#include "beasm_asm_gnu.h"
+
+#undef DUMP_ALLOCATED
+#define DUMP_LOCALIZED
+
+#define N_PHASES 256
+
+typedef struct _be_graph_info_t {
+ bitset_t *applied_phases;
+} be_graph_info_t;
+
+static size_t be_info_offset = 0;
+
+#define get_irg_be_info(irg) get_irg_data(irg, be_graph_info_t, be_info_offset)
+
+static int phase_ids = 1;
+static struct obstack obst;
+
+int phase_register(phase_t *phase)
+{
+ phase->id = phase_ids;
+ return phase_ids++;
+}
+
+void phase_applied(const ir_graph *irg, const phase_t *phase)
+{
+ be_graph_info_t *info = get_irg_be_info(irg);
+
+ if(!info->applied_phases)
+ info->applied_phases = bitset_obstack_alloc(&obst, N_PHASES);
+
+ bitset_set(info->applied_phases, phase->id);
+}
+
+int phase_depends_on(const ir_graph *irg, const phase_t *phase, int n, ...)
+{
+ int errors = 0;
+ int i;
+ va_list args;
+
+ if(n > 0) {
+ const be_graph_info_t *info = get_irg_be_info(irg);
+ const bitset_t *applied_phases = info->applied_phases;
+
+ va_start(args, n);
+
+ for(i = 0; i < n; ++i) {
+ const phase_t *dep_phase = va_arg(args, const phase_t *);
+
+ if(!applied_phases || !bitset_is_set(applied_phases, dep_phase->id)) {
+ errors++;
+ fprintf(stderr, "phase dependency unfulfilled: \"%s\" depends on \"%s\"\n",
+ phase->name, dep_phase->name);
+ }
+ }
+
+ va_end(args);
+
+ assert(errors > 0 && "There were phase dependency errors");
+ }
+
+ return errors;
+}
void be_init(void)
{
+ obstack_init(&obst);
+ be_info_offset = register_additional_graph_data(sizeof(be_graph_info_t));
+
be_sched_init();
be_liveness_init();
+ be_numbering_init();
+ be_ra_init();
+ be_ra_chordal_init();
+#ifdef DO_STAT
+ stat_init();
+#endif
+ be_copy_opt_init();
}
+/* The preliminary Firm backend isa. */
+extern arch_isa_if_t arch_isa_if_firm;
+
static void be_main_loop(void)
{
int i, n;
+ const arch_isa_if_t *isa = &arch_isa_if_firm;
for(i = 0, n = get_irp_n_irgs(); i < n; ++i) {
+ int j, m;
ir_graph *irg = get_irp_irg(i);
- list_sched(irg, trivial_selector, NULL);
+ localize_consts(irg);
+#ifdef DUMP_LOCALIZED
+ dump_consts_local(0);
+ dump_ir_block_graph(irg, "-local-const");
+#endif
+ be_numbering(irg);
+
+ /* Schedule the graphs. */
+ list_sched(irg, trivial_selector);
+
+ /* Liveness analysis */
be_liveness(irg);
- be_sched_dump(stdout, irg);
- be_liveness_dump(stdout, irg);
+#ifdef DO_STAT
+ stat_reset();
+ stat_collect_irg(irg);
+#endif
+ /* Perform the following for each register class. */
+ for(j = 0, m = isa->get_n_reg_class(); j < m; ++j) {
+ const arch_register_class_t *cls = isa->get_reg_class(j);
+
+ be_ra_chordal(irg, isa, cls);
+
+#ifdef DUMP_ALLOCATED
+ dump_allocated_irg(irg, "");
+#endif
+ be_copy_opt(irg, isa, cls);
+ be_ra_chordal_done(irg);
+ }
+#ifdef DO_STAT
+ stat_dump(irg);
+#endif
+ be_numbering_done(irg);
}
}
void be_main(int argc, const char *argv[])
{
+ assembler_t *gnu_assembler;
+ FILE *asm_output_file;
+
be_main_loop();
+ gnu_assembler = gnuasm_create_assembler();
+ asm_output_file = fopen("asm_output.asm", "w");
+
+ asm_dump_globals(gnu_assembler);
+ gnuasm_dump(gnu_assembler, asm_output_file);
+ gnuasm_delete_assembler(gnu_assembler);
+ fclose(asm_output_file);
}