* Compute register pressure in loops
*/
#ifdef HAVE_CONFIG_H
-#include <config.h>
+#include "config.h"
#endif
#include "set.h"
#include "irtools.h"
#include "irloop_t.h"
#include "error.h"
+#include "debug.h"
-#include "bearch.h"
+#include "bearch_t.h"
#include "belive.h"
#include "besched.h"
#include "beloopana.h"
* @return The highest register pressure in the given block.
*/
static unsigned be_compute_block_pressure(be_loopana_t *loop_ana, ir_node *block, const arch_register_class_t *cls) {
- const arch_env_t *aenv = loop_ana->birg->main_env->arch_env;
+ const be_irg_t *birg = loop_ana->birg;
+ const arch_env_t *aenv = be_get_birg_arch_env(birg);
+ be_lv_t *lv = be_get_birg_liveness(birg);
pset *live_nodes = pset_new_ptr_default();
ir_node *irn;
int max_live;
DBG((dbg, LEVEL_1, "Processing Block %+F\n", block));
/* determine largest pressure with this block */
- live_nodes = be_liveness_end_of_block(loop_ana->birg->lv, aenv, cls, block, live_nodes);
+ live_nodes = be_liveness_end_of_block(lv, aenv, cls, block, live_nodes);
max_live = pset_count(live_nodes);
sched_foreach_reverse(block, irn) {
* @param cls The register class to compute the pressure for
* @return The loop analysis object.
*/
-be_loopana_t *be_new_loop_pressure_cls(be_irg_t *birg, const arch_register_class_t *cls) {
+be_loopana_t *be_new_loop_pressure_cls(be_irg_t *birg,
+ const arch_register_class_t *cls) {
+ ir_graph *irg = be_get_birg_irg(birg);
be_loopana_t *loop_ana = xmalloc(sizeof(*loop_ana));
loop_ana->data = new_set(cmp_loop_info, 16);
DBG((dbg, LEVEL_1, " Computing register pressure for class %s:\n", cls->name));
DBG((dbg, LEVEL_1, "=====================================================\n", cls->name));
- be_compute_loop_pressure(loop_ana, get_irg_loop(birg->irg), cls);
+ be_compute_loop_pressure(loop_ana, get_irg_loop(irg), cls);
return loop_ana;
}
* @return The loop analysis object.
*/
be_loopana_t *be_new_loop_pressure(be_irg_t *birg) {
- be_loopana_t *loop_ana = xmalloc(sizeof(*loop_ana));
- ir_loop *irg_loop = get_irg_loop(birg->irg);
- int i;
+ ir_graph *irg = be_get_birg_irg(birg);
+ be_loopana_t *loop_ana = xmalloc(sizeof(*loop_ana));
+ ir_loop *irg_loop = get_irg_loop(irg);
+ const arch_env_t *arch_env = be_get_birg_arch_env(birg);
+ const arch_isa_t *isa = arch_env->isa;
+ int i;
loop_ana->data = new_set(cmp_loop_info, 16);
loop_ana->birg = birg;
- for (i = arch_isa_get_n_reg_class(birg->main_env->arch_env->isa) - 1; i >= 0; --i) {
- const arch_register_class_t *cls = arch_isa_get_reg_class(birg->main_env->arch_env->isa, i);
+ for (i = arch_isa_get_n_reg_class(isa) - 1; i >= 0; --i) {
+ const arch_register_class_t *cls = arch_isa_get_reg_class(isa, i);
DBG((dbg, LEVEL_1, "\n=====================================================\n", cls->name));
DBG((dbg, LEVEL_1, " Computing register pressure for class %s:\n", cls->name));
DBG((dbg, LEVEL_1, "=====================================================\n", cls->name));