/* kill the Reload */
if (get_irn_n_edges(irn) == 0) {
+ ir_graph *irg = get_irn_irg(irn);
sched_remove(irn);
- set_irn_n(irn, be_pos_Reload_mem, new_Bad());
- set_irn_n(irn, be_pos_Reload_frame, new_Bad());
+ set_irn_n(irn, be_pos_Reload_mem, new_r_Bad(irg));
+ set_irn_n(irn, be_pos_Reload_frame, new_r_Bad(irg));
}
}
ir_graph *irg = pse->irg;
ir_exec_freq *exec_freq = be_get_irg_exec_freq(irg);
- pse->cls = cls;
- chordal_env->cls = cls;
- chordal_env->border_heads = pmap_create();
- chordal_env->ignore_colors = bitset_malloc(chordal_env->cls->n_regs);
+ pse->cls = cls;
+ chordal_env->cls = cls;
+ chordal_env->border_heads = pmap_create();
+ chordal_env->allocatable_regs = bitset_malloc(chordal_env->cls->n_regs);
be_assure_liveness(irg);
be_liveness_assure_chk(be_get_irg_liveness(irg));
stat_ev_do(pse->pre_spill_cost = be_estimate_irg_costs(irg, exec_freq));
/* put all ignore registers into the ignore register set. */
- be_put_ignore_regs(irg, pse->cls, chordal_env->ignore_colors);
+ be_put_allocatable_regs(irg, pse->cls, chordal_env->allocatable_regs);
be_timer_push(T_RA_CONSTR);
be_pre_spill_prepare_constr(irg, chordal_env->cls);
*/
static void post_spill(post_spill_env_t *pse, int iteration)
{
- be_chordal_env_t *chordal_env = &pse->cenv;
- ir_graph *irg = pse->irg;
- ir_exec_freq *exec_freq = be_get_irg_exec_freq(irg);
- int colors_n = arch_register_class_n_regs(chordal_env->cls);
- int allocatable_regs
- = colors_n - be_put_ignore_regs(irg, chordal_env->cls, NULL);
+ be_chordal_env_t *chordal_env = &pse->cenv;
+ ir_graph *irg = pse->irg;
+ ir_exec_freq *exec_freq = be_get_irg_exec_freq(irg);
+ int allocatable_regs = be_get_n_allocatable_regs(irg, chordal_env->cls);
/* some special classes contain only ignore regs, no work to be done */
if (allocatable_regs > 0) {
/* free some always allocated data structures */
pmap_destroy(chordal_env->border_heads);
- bitset_free(chordal_env->ignore_colors);
+ bitset_free(chordal_env->allocatable_regs);
}
/**
be_assure_liveness(irg);
- chordal_env.obst = &obst;
- chordal_env.opts = &options;
- chordal_env.irg = irg;
- chordal_env.border_heads = NULL;
- chordal_env.ifg = NULL;
- chordal_env.ignore_colors = NULL;
+ chordal_env.obst = &obst;
+ chordal_env.opts = &options;
+ chordal_env.irg = irg;
+ chordal_env.border_heads = NULL;
+ chordal_env.ifg = NULL;
+ chordal_env.allocatable_regs = NULL;
obstack_init(&obst);
be_collect_node_stats(&last_node_stats, irg);
}
- if (! arch_code_generator_has_spiller(be_get_irg_cg(irg))) {
- /* use one of the generic spiller */
+ /* use one of the generic spiller */
- /* Perform the following for each register class. */
- for (j = 0, m = arch_env_get_n_reg_class(arch_env); j < m; ++j) {
- post_spill_env_t pse;
- const arch_register_class_t *cls
- = arch_env_get_reg_class(arch_env, j);
+ /* Perform the following for each register class. */
+ for (j = 0, m = arch_env->n_register_classes; j < m; ++j) {
+ post_spill_env_t pse;
+ const arch_register_class_t *cls = &arch_env->register_classes[j];
- if (arch_register_class_flags(cls) & arch_register_class_flag_manual_ra)
- continue;
+ if (arch_register_class_flags(cls) & arch_register_class_flag_manual_ra)
+ continue;
- stat_ev_ctx_push_str("bechordal_cls", cls->name);
-
- stat_ev_if {
- be_do_stat_reg_pressure(irg, cls);
- }
-
- memcpy(&pse.cenv, &chordal_env, sizeof(chordal_env));
- pse.irg = irg;
- pre_spill(&pse, cls);
+ stat_ev_ctx_push_str("bechordal_cls", cls->name);
- be_timer_push(T_RA_SPILL);
- be_do_spill(irg, cls);
- be_timer_pop(T_RA_SPILL);
-
- dump(BE_CH_DUMP_SPILL, irg, pse.cls, "spill");
-
- post_spill(&pse, 0);
-
- stat_ev_if {
- be_node_stats_t node_stats;
+ stat_ev_if {
+ be_do_stat_reg_pressure(irg, cls);
+ }
- be_collect_node_stats(&node_stats, irg);
- be_subtract_node_stats(&node_stats, &last_node_stats);
- be_emit_node_stats(&node_stats, "bechordal_");
+ memcpy(&pse.cenv, &chordal_env, sizeof(chordal_env));
+ pse.irg = irg;
+ pre_spill(&pse, cls);
- be_copy_node_stats(&last_node_stats, &node_stats);
- stat_ev_ctx_pop("bechordal_cls");
- }
- }
- } else {
- post_spill_env_t *pse;
+ be_timer_push(T_RA_SPILL);
+ be_do_spill(irg, cls);
+ be_timer_pop(T_RA_SPILL);
- /* the backend has its own spiller */
- m = arch_env_get_n_reg_class(arch_env);
+ dump(BE_CH_DUMP_SPILL, irg, pse.cls, "spill");
- pse = ALLOCAN(post_spill_env_t, m);
+ post_spill(&pse, 0);
- for (j = 0; j < m; ++j) {
- memcpy(&pse[j].cenv, &chordal_env, sizeof(chordal_env));
- pse[j].irg = irg;
- pre_spill(&pse[j], pse[j].cls);
- }
+ stat_ev_if {
+ be_node_stats_t node_stats;
- be_timer_push(T_RA_SPILL);
- arch_code_generator_spill(be_get_irg_cg(irg), irg);
- be_timer_pop(T_RA_SPILL);
- dump(BE_CH_DUMP_SPILL, irg, NULL, "spill");
+ be_collect_node_stats(&node_stats, irg);
+ be_subtract_node_stats(&node_stats, &last_node_stats);
+ be_emit_node_stats(&node_stats, "bechordal_");
- for (j = 0; j < m; ++j) {
- post_spill(&pse[j], j);
+ be_copy_node_stats(&last_node_stats, &node_stats);
+ stat_ev_ctx_pop("bechordal_cls");
}
}
projects / libfirm / blobdiff