#include "bejavacoal.h"
#include "beutil.h"
#include "besched.h"
-#include "benumb_t.h"
#include "besched_t.h"
#include "belive_t.h"
#include "bearch.h"
#include "benode_t.h"
#include "bestatevent.h"
#include "bestat.h"
+#include "bemodule.h"
#include "bespillbelady.h"
#include "bespillmorgan.h"
#include "becopyopt.h"
#include "bessadestr.h"
#include "beverify.h"
-#include "bespillcost.h"
#include "benode_t.h"
-void be_ra_chordal_check(be_chordal_env_t *chordal_env) {
- const arch_env_t *arch_env = chordal_env->birg->main_env->arch_env;
- struct obstack ob;
- pmap_entry *pme;
- ir_node **nodes, *n1, *n2;
- int i, o;
- DEBUG_ONLY(firm_dbg_module_t *dbg = chordal_env->dbg;)
-
- /* Collect all irns */
- obstack_init(&ob);
- pmap_foreach(chordal_env->border_heads, pme) {
- border_t *curr;
- struct list_head *head = pme->value;
- list_for_each_entry(border_t, curr, head, list)
- if (curr->is_def && curr->is_real)
- if (arch_get_irn_reg_class(arch_env, curr->irn, -1) == chordal_env->cls)
- obstack_ptr_grow(&ob, curr->irn);
- }
- obstack_ptr_grow(&ob, NULL);
- nodes = (ir_node **) obstack_finish(&ob);
-
- /* Check them */
- for (i = 0, n1 = nodes[i]; n1; n1 = nodes[++i]) {
- const arch_register_t *n1_reg, *n2_reg;
-
- n1_reg = arch_get_irn_register(arch_env, n1);
- if (!arch_reg_is_allocatable(arch_env, n1, -1, n1_reg)) {
- DBG((dbg, 0, "Register %s assigned to %+F is not allowed\n", n1_reg->name, n1));
- assert(0 && "Register constraint does not hold");
- }
- for (o = i+1, n2 = nodes[o]; n2; n2 = nodes[++o]) {
- n2_reg = arch_get_irn_register(arch_env, n2);
- if (values_interfere(chordal_env->lv, n1, n2) && n1_reg == n2_reg) {
- DBG((dbg, 0, "Values %+F and %+F interfere and have the same register assigned: %s\n", n1, n2, n1_reg->name));
- assert(0 && "Interfering values have the same color!");
- }
- }
- }
- obstack_free(&ob, NULL);
-}
-
-int nodes_interfere(const be_chordal_env_t *env, const ir_node *a, const ir_node *b)
-{
- if(env->ifg)
- return be_ifg_connected(env->ifg, a, b);
- else
- return values_interfere(env->lv, a, b);
-}
-
-
static be_ra_chordal_opts_t options = {
BE_CH_DUMP_NONE,
BE_CH_SPILL_BELADY,
/** Assumed loop iteration count for execution frequency estimation. */
static int be_loop_weight = 9;
-#ifdef WITH_LIBCORE
+typedef struct _post_spill_env_t {
+ be_chordal_env_t cenv;
+ double pre_spill_cost;
+} post_spill_env_t;
+
static be_ra_timer_t ra_timer = {
NULL,
NULL,
};
static const lc_opt_enum_int_items_t spill_items[] = {
- { "morgan", BE_CH_SPILL_MORGAN },
{ "belady", BE_CH_SPILL_BELADY },
+ { "morgan", BE_CH_SPILL_MORGAN },
#ifdef WITH_ILP
{ "remat", BE_CH_SPILL_REMAT },
#endif /* WITH_ILP */
{ NULL }
};
-extern void be_spill_remat_register_options(lc_opt_entry_t *ent);
-
-
-static void be_ra_chordal_register_options(lc_opt_entry_t *grp)
-{
- static int run_once = 0;
- lc_opt_entry_t *chordal_grp;
+void be_ra_chordal_check(be_chordal_env_t *chordal_env) {
+ const arch_env_t *arch_env = chordal_env->birg->main_env->arch_env;
+ struct obstack ob;
+ pmap_entry *pme;
+ ir_node **nodes, *n1, *n2;
+ int i, o;
+ be_lv_t *lv = chordal_env->birg->lv;
+ DEBUG_ONLY(firm_dbg_module_t *dbg = chordal_env->dbg;)
- if (! run_once) {
- run_once = 1;
- chordal_grp = lc_opt_get_grp(grp, "chordal");
+ /* Collect all irns */
+ obstack_init(&ob);
+ pmap_foreach(chordal_env->border_heads, pme) {
+ border_t *curr;
+ struct list_head *head = pme->value;
+ list_for_each_entry(border_t, curr, head, list)
+ if (curr->is_def && curr->is_real)
+ if (arch_get_irn_reg_class(arch_env, curr->irn, -1) == chordal_env->cls)
+ obstack_ptr_grow(&ob, curr->irn);
+ }
+ obstack_ptr_grow(&ob, NULL);
+ nodes = (ir_node **) obstack_finish(&ob);
- lc_opt_add_table(chordal_grp, be_chordal_options);
+ /* Check them */
+ for (i = 0, n1 = nodes[i]; n1; n1 = nodes[++i]) {
+ const arch_register_t *n1_reg, *n2_reg;
- co_register_options(chordal_grp);
-#ifdef WITH_JVM
- be_java_coal_register_options(chordal_grp);
-#endif
-#ifdef WITH_ILP
- be_spill_remat_register_options(chordal_grp);
-#endif
- be_spill_register_options(chordal_grp);
+ n1_reg = arch_get_irn_register(arch_env, n1);
+ if (!arch_reg_is_allocatable(arch_env, n1, -1, n1_reg)) {
+ DBG((dbg, 0, "Register %s assigned to %+F is not allowed\n", n1_reg->name, n1));
+ assert(0 && "Register constraint does not hold");
+ }
+ for (o = i+1, n2 = nodes[o]; n2; n2 = nodes[++o]) {
+ n2_reg = arch_get_irn_register(arch_env, n2);
+ if (values_interfere(lv, n1, n2) && n1_reg == n2_reg) {
+ DBG((dbg, 0, "Values %+F and %+F interfere and have the same register assigned: %s\n", n1, n2, n1_reg->name));
+ assert(0 && "Interfering values have the same color!");
+ }
+ }
}
+ obstack_free(&ob, NULL);
+}
+
+int nodes_interfere(const be_chordal_env_t *env, const ir_node *a, const ir_node *b)
+{
+ if(env->ifg)
+ return be_ifg_connected(env->ifg, a, b);
+ else
+ return values_interfere(env->birg->lv, a, b);
}
-#endif /* WITH_LIBCORE */
static void dump(unsigned mask, ir_graph *irg,
const arch_register_class_t *cls,
if (! be_is_Reload(irn))
return;
- /* always use addressmode, it's good for x86 */
-#if 0
/* only use memory operands, if the reload is only used by 1 node */
if(get_irn_n_edges(irn) > 1)
return;
-#endif
spill = be_get_Reload_mem(irn);
block = get_nodes_block(irn);
/* kill the Reload */
if (get_irn_n_edges(irn) == 0) {
sched_remove(irn);
- set_irn_n(irn, 0, new_Bad());
- set_irn_n(irn, 1, new_Bad());
+ set_irn_n(irn, be_pos_Reload_mem, new_Bad());
}
}
#endif /* WITH_LIBCORE */
/**
- * Performs chordal register allocation for each register class on given irg.
- *
- * @param bi Backend irg object
- * @return Structure containing timer for the single phases or NULL if no timing requested.
+ * Perform things which need to be done per register class before spilling.
*/
-static be_ra_timer_t *be_ra_chordal_main(const be_irg_t *bi)
-{
- const be_main_env_t *main_env = bi->main_env;
- const arch_isa_t *isa = arch_env_get_isa(main_env->arch_env);
- ir_graph *irg = bi->irg;
- be_options_t *main_opts = main_env->options;
- int splitted = 0;
-
- int j, m;
- be_chordal_env_t chordal_env;
-
- BE_TIMER_INIT(main_opts);
- BE_TIMER_PUSH(ra_timer.t_other);
- BE_TIMER_PUSH(ra_timer.t_prolog);
-
- compute_doms(irg);
-
- chordal_env.opts = &options;
- chordal_env.irg = irg;
- chordal_env.birg = bi;
- chordal_env.dom_front = be_compute_dominance_frontiers(irg);
- chordal_env.exec_freq = bi->execfreqs;
- chordal_env.lv = be_liveness(irg);
- FIRM_DBG_REGISTER(chordal_env.dbg, "firm.be.chordal");
+static void pre_spill(const arch_isa_t *isa, int cls_idx, post_spill_env_t *pse) {
+ be_chordal_env_t *chordal_env = &pse->cenv;
+ node_stat_t node_stat;
+
+ chordal_env->cls = arch_isa_get_reg_class(isa, cls_idx);
+ chordal_env->border_heads = pmap_create();
+ chordal_env->ignore_colors = bitset_malloc(chordal_env->cls->n_regs);
+
+#ifdef FIRM_STATISTICS
+ if (be_stat_ev_is_active()) {
+ be_stat_tags[STAT_TAG_CLS] = chordal_env->cls->name;
+ be_stat_ev_push(be_stat_tags, STAT_TAG_LAST, be_stat_file);
+
+ /* perform some node statistics. */
+ node_stats(chordal_env, &node_stat);
+ be_stat_ev("phis_before_spill", node_stat.n_phis);
+ }
+#endif /* FIRM_STATISTICS */
- obstack_init(&chordal_env.obst);
+ /* put all ignore registers into the ignore register set. */
+ put_ignore_colors(chordal_env);
- BE_TIMER_POP(ra_timer.t_prolog);
+ be_pre_spill_prepare_constr(chordal_env);
+ dump(BE_CH_DUMP_CONSTR, chordal_env->irg, chordal_env->cls, "-constr-pre", dump_ir_block_graph_sched);
- be_stat_ev("insns_before", count_insns(irg));
+#ifdef FIRM_STATISTICS
+ if (be_stat_ev_is_active()) {
+ pse->pre_spill_cost = be_estimate_irg_costs(chordal_env->irg,
+ chordal_env->birg->main_env->arch_env, chordal_env->birg->exec_freq);
+ }
+#endif /* FIRM_STATISTICS */
+}
- /* Perform the following for each register class. */
- for (j = 0, m = arch_isa_get_n_reg_class(isa); j < m; ++j) {
- node_stat_t node_stat;
- double spillcosts = 0;
+/**
+ * Perform things which need to be done per register class after spilling.
+ */
+static void post_spill(post_spill_env_t *pse) {
+ be_chordal_env_t *chordal_env = &pse->cenv;
+ ir_graph *irg = chordal_env->irg;
+ be_irg_t *birg = chordal_env->birg;
+ const be_main_env_t *main_env = birg->main_env;
+ be_options_t *main_opts = main_env->options;
+ static int splitted = 0;
+ node_stat_t node_stat;
+
+#ifdef FIRM_STATISTICS
+ if (be_stat_ev_is_active()) {
+ double spillcosts = be_estimate_irg_costs(irg, main_env->arch_env, birg->exec_freq) - pse->pre_spill_cost;
+
+ be_stat_ev_l("spillcosts", (long) spillcosts);
+
+ node_stats(chordal_env, &node_stat);
+ be_stat_ev("phis_after_spill", node_stat.n_phis);
+ be_stat_ev("mem_phis", node_stat.n_mem_phis);
+ be_stat_ev("reloads", node_stat.n_reloads);
+ be_stat_ev("spills", node_stat.n_spills);
+ }
+#endif /* FIRM_STATISTICS */
- chordal_env.cls = arch_isa_get_reg_class(isa, j);
- chordal_env.border_heads = pmap_create();
- chordal_env.ignore_colors = bitset_malloc(chordal_env.cls->n_regs);
+ check_for_memory_operands(chordal_env);
- if(be_stat_ev_is_active()) {
- be_stat_tags[STAT_TAG_CLS] = chordal_env.cls->name;
- be_stat_ev_push(be_stat_tags, STAT_TAG_LAST, be_stat_file);
+ be_abi_fix_stack_nodes(birg->abi, birg->lv);
- /* perform some node statistics. */
- node_stats(&chordal_env, &node_stat);
- be_stat_ev("phis_before_spill", node_stat.n_phis);
- }
+ BE_TIMER_PUSH(ra_timer.t_verify);
- /* put all ignore registers into the ignore register set. */
- put_ignore_colors(&chordal_env);
+ /* verify schedule and register pressure */
+ if (chordal_env->opts->vrfy_option == BE_CH_VRFY_WARN) {
+ be_verify_schedule(irg);
+ be_verify_register_pressure(chordal_env->birg, chordal_env->cls, irg);
+ }
+ else if (chordal_env->opts->vrfy_option == BE_CH_VRFY_ASSERT) {
+ assert(be_verify_schedule(irg) && "Schedule verification failed");
+ assert(be_verify_register_pressure(chordal_env->birg, chordal_env->cls, irg)
+ && "Register pressure verification failed");
+ }
+ BE_TIMER_POP(ra_timer.t_verify);
- BE_TIMER_PUSH(ra_timer.t_live);
- be_liveness_recompute(chordal_env.lv);
- BE_TIMER_POP(ra_timer.t_live);
- dump(BE_CH_DUMP_LIVE, irg, chordal_env.cls, "-live", dump_ir_block_graph_sched);
+ if (be_elr_split && ! splitted) {
+ extreme_liverange_splitting(chordal_env);
+ splitted = 1;
+ }
- be_pre_spill_prepare_constr(&chordal_env);
- dump(BE_CH_DUMP_CONSTR, irg, chordal_env.cls, "-constr-pre", dump_ir_block_graph_sched);
+ /* Color the graph. */
+ BE_TIMER_PUSH(ra_timer.t_color);
+ be_ra_chordal_color(chordal_env);
+ BE_TIMER_POP(ra_timer.t_color);
- if(be_stat_ev_is_active()) {
- spillcosts = be_estimate_irg_costs(irg, main_env->arch_env, chordal_env.exec_freq);
- }
+ dump(BE_CH_DUMP_CONSTR, irg, chordal_env->cls, "-color", dump_ir_block_graph_sched);
- BE_TIMER_PUSH(ra_timer.t_spill);
-
- /* spilling */
- switch(options.spill_method) {
- case BE_CH_SPILL_MORGAN:
- be_spill_morgan(&chordal_env);
+ /* Create the ifg with the selected flavor */
+ BE_TIMER_PUSH(ra_timer.t_ifg);
+ switch (chordal_env->opts->ifg_flavor) {
+ default:
+ fprintf(stderr, "no valid ifg flavour selected. falling back to std\n");
+ case BE_CH_IFG_STD:
+ case BE_CH_IFG_FAST:
+ chordal_env->ifg = be_ifg_std_new(chordal_env);
break;
- case BE_CH_SPILL_BELADY:
- be_spill_belady(&chordal_env);
+ case BE_CH_IFG_CLIQUE:
+ chordal_env->ifg = be_ifg_clique_new(chordal_env);
break;
-#ifdef WITH_ILP
- case BE_CH_SPILL_REMAT:
- be_spill_remat(&chordal_env);
+ case BE_CH_IFG_POINTER:
+ chordal_env->ifg = be_ifg_pointer_new(chordal_env);
break;
-#endif /* WITH_ILP */
- default:
- fprintf(stderr, "no valid spiller selected. falling back to belady\n");
- be_spill_belady(&chordal_env);
- }
+ case BE_CH_IFG_LIST:
+ chordal_env->ifg = be_ifg_list_new(chordal_env);
+ break;
+ case BE_CH_IFG_CHECK:
+ check_ifg_implementations(chordal_env);
+ /* Build the interference graph. */
+ chordal_env->ifg = be_ifg_std_new(chordal_env);
+ break;
+ }
+ BE_TIMER_POP(ra_timer.t_ifg);
+
+#ifdef FIRM_STATISTICS
+ if (be_stat_ev_is_active()) {
+ be_ifg_stat_t stat;
+ be_ifg_stat(chordal_env, &stat);
+ be_stat_ev("ifg_nodes", stat.n_nodes);
+ be_stat_ev("ifg_edges", stat.n_edges);
+ be_stat_ev("ifg_comps", stat.n_comps);
+
+ node_stats(chordal_env, &node_stat);
+ be_stat_ev("perms_before_coal", node_stat.n_perms);
+ be_stat_ev("copies_before_coal", node_stat.n_copies);
+ }
+#endif /* FIRM_STATISTICS */
- BE_TIMER_POP(ra_timer.t_spill);
+ /* copy minimization */
+ BE_TIMER_PUSH(ra_timer.t_copymin);
+ co_driver(chordal_env);
+ BE_TIMER_POP(ra_timer.t_copymin);
- if(be_stat_ev_is_active()) {
- spillcosts = be_estimate_irg_costs(irg, main_env->arch_env, chordal_env.exec_freq) - spillcosts;
- be_stat_ev_l("spillcosts", (long) spillcosts);
+ dump(BE_CH_DUMP_COPYMIN, irg, chordal_env->cls, "-copymin", dump_ir_block_graph_sched);
- node_stats(&chordal_env, &node_stat);
- be_stat_ev("phis_after_spill", node_stat.n_phis);
- be_stat_ev("mem_phis", node_stat.n_mem_phis);
- be_stat_ev("reloads", node_stat.n_reloads);
- be_stat_ev("spills", node_stat.n_spills);
- }
+ BE_TIMER_PUSH(ra_timer.t_ssa);
- DBG((chordal_env.dbg, LEVEL_1, "spill costs for %+F in regclass %s: %g\n",irg, chordal_env.cls->name, get_irg_spill_cost(&chordal_env)));
+ /* ssa destruction */
+ be_ssa_destruction(chordal_env);
- dump(BE_CH_DUMP_SPILL, irg, chordal_env.cls, "-spill", dump_ir_block_graph_sched);
+ BE_TIMER_POP(ra_timer.t_ssa);
- check_for_memory_operands(&chordal_env);
+ dump(BE_CH_DUMP_SSADESTR, irg, chordal_env->cls, "-ssadestr", dump_ir_block_graph_sched);
- be_abi_fix_stack_nodes(bi->abi, chordal_env.lv);
+ BE_TIMER_PUSH(ra_timer.t_verify);
+ if (chordal_env->opts->vrfy_option != BE_CH_VRFY_OFF) {
+ be_ssa_destruction_check(chordal_env);
+ }
+ BE_TIMER_POP(ra_timer.t_verify);
- BE_TIMER_PUSH(ra_timer.t_verify);
+ be_ifg_free(chordal_env->ifg);
+ pmap_destroy(chordal_env->border_heads);
+ bitset_free(chordal_env->ignore_colors);
+
+#ifdef FIRM_STATISTICS
+ if (be_stat_ev_is_active()) {
+ node_stats(chordal_env, &node_stat);
+ be_stat_ev("perms_after_coal", node_stat.n_perms);
+ be_stat_ev("copies_after_coal", node_stat.n_copies);
+ be_stat_ev_pop();
+ }
+#endif /* FIRM_STATISTICS */
+}
- /* verify schedule and register pressure */
- if (options.vrfy_option == BE_CH_VRFY_WARN) {
- be_verify_schedule(irg);
- be_verify_register_pressure(chordal_env.birg, chordal_env.cls, irg);
- }
- else if (options.vrfy_option == BE_CH_VRFY_ASSERT) {
- assert(be_verify_schedule(irg) && "Schedule verification failed");
- assert(be_verify_register_pressure(chordal_env.birg, chordal_env.cls, irg)
- && "Register pressure verification failed");
- }
- BE_TIMER_POP(ra_timer.t_verify);
+/**
+ * Performs chordal register allocation for each register class on given irg.
+ *
+ * @param birg Backend irg object
+ * @return Structure containing timer for the single phases or NULL if no timing requested.
+ */
+static void be_ra_chordal_main(be_irg_t *birg)
+{
+ const be_main_env_t *main_env = birg->main_env;
+ const arch_isa_t *isa = arch_env_get_isa(main_env->arch_env);
+ ir_graph *irg = birg->irg;
+ be_options_t *main_opts = main_env->options;
+ int j, m;
+ be_chordal_env_t chordal_env;
- if (be_elr_split && ! splitted) {
- extreme_liverange_splitting(&chordal_env);
- splitted = 1;
- }
+ BE_TIMER_INIT(main_opts);
+ BE_TIMER_PUSH(ra_timer.t_other);
+ BE_TIMER_PUSH(ra_timer.t_prolog);
+ be_assure_dom_front(birg);
+ be_assure_liveness(birg);
- /* Color the graph. */
- BE_TIMER_PUSH(ra_timer.t_color);
- be_ra_chordal_color(&chordal_env);
- BE_TIMER_POP(ra_timer.t_color);
+ chordal_env.opts = &options;
+ chordal_env.irg = irg;
+ chordal_env.birg = birg;
+ FIRM_DBG_REGISTER(chordal_env.dbg, "firm.be.chordal");
- dump(BE_CH_DUMP_CONSTR, irg, chordal_env.cls, "-color", dump_ir_block_graph_sched);
+ obstack_init(&chordal_env.obst);
- /* Create the ifg with the selected flavor */
- BE_TIMER_PUSH(ra_timer.t_ifg);
- switch (options.ifg_flavor) {
- default:
- fprintf(stderr, "no valid ifg flavour selected. falling back to std\n");
- case BE_CH_IFG_STD:
- case BE_CH_IFG_FAST:
- chordal_env.ifg = be_ifg_std_new(&chordal_env);
- break;
- case BE_CH_IFG_CLIQUE:
- chordal_env.ifg = be_ifg_clique_new(&chordal_env);
- break;
- case BE_CH_IFG_POINTER:
- chordal_env.ifg = be_ifg_pointer_new(&chordal_env);
- break;
- case BE_CH_IFG_LIST:
- chordal_env.ifg = be_ifg_list_new(&chordal_env);
- break;
- case BE_CH_IFG_CHECK:
- check_ifg_implementations(&chordal_env);
- /* Build the interference graph. */
- chordal_env.ifg = be_ifg_std_new(&chordal_env);
- break;
- }
- BE_TIMER_POP(ra_timer.t_ifg);
-
- if(be_stat_ev_is_active()) {
- be_ifg_stat_t stat;
- be_ifg_stat(&chordal_env, &stat);
- be_stat_ev("ifg_nodes", stat.n_nodes);
- be_stat_ev("ifg_edges", stat.n_edges);
- be_stat_ev("ifg_comps", stat.n_comps);
- }
+ BE_TIMER_POP(ra_timer.t_prolog);
- BE_TIMER_PUSH(ra_timer.t_verify);
- if (options.vrfy_option != BE_CH_VRFY_OFF) {
- //be_ra_chordal_check(&chordal_env);
- }
+ be_stat_ev("insns_before", count_insns(irg));
- BE_TIMER_POP(ra_timer.t_verify);
+ if (! arch_code_generator_has_spiller(birg->cg)) {
+ /* use one of the generic spiller */
- if(be_stat_ev_is_active()) {
- node_stats(&chordal_env, &node_stat);
- be_stat_ev("perms_before_coal", node_stat.n_perms);
- be_stat_ev("copies_before_coal", node_stat.n_copies);
- }
+ /* Perform the following for each register class. */
+ for (j = 0, m = arch_isa_get_n_reg_class(isa); j < m; ++j) {
+ post_spill_env_t pse;
- /* copy minimization */
- BE_TIMER_PUSH(ra_timer.t_copymin);
- co_driver(&chordal_env);
- BE_TIMER_POP(ra_timer.t_copymin);
+ memcpy(&pse.cenv, &chordal_env, sizeof(chordal_env));
+ pre_spill(isa, j, &pse);
- dump(BE_CH_DUMP_COPYMIN, irg, chordal_env.cls, "-copymin", dump_ir_block_graph_sched);
+ BE_TIMER_PUSH(ra_timer.t_spill);
+ /* spilling */
+ switch(options.spill_method) {
+ case BE_CH_SPILL_MORGAN:
+ be_spill_morgan(&pse.cenv);
+ break;
+ case BE_CH_SPILL_BELADY:
+ be_spill_belady(&pse.cenv);
+ break;
+ #ifdef WITH_ILP
+ case BE_CH_SPILL_REMAT:
+ be_spill_remat(&pse.cenv);
+ break;
+ #endif /* WITH_ILP */
+ default:
+ fprintf(stderr, "no valid spiller selected. falling back to belady\n");
+ be_spill_belady(&pse.cenv);
+ }
+ BE_TIMER_POP(ra_timer.t_spill);
- BE_TIMER_PUSH(ra_timer.t_verify);
+ dump(BE_CH_DUMP_SPILL, irg, pse.cenv.cls, "-spill", dump_ir_block_graph_sched);
- if (options.vrfy_option != BE_CH_VRFY_OFF) {
- //be_ra_chordal_check(&chordal_env);
+ post_spill(&pse);
}
+ }
+ else {
+ post_spill_env_t *pse;
- BE_TIMER_POP(ra_timer.t_verify);
- BE_TIMER_PUSH(ra_timer.t_ssa);
-
- /* ssa destruction */
- be_ssa_destruction(&chordal_env);
-
- BE_TIMER_POP(ra_timer.t_ssa);
+ /* the backend has it's own spiller */
+ m = arch_isa_get_n_reg_class(isa);
- dump(BE_CH_DUMP_SSADESTR, irg, chordal_env.cls, "-ssadestr", dump_ir_block_graph_sched);
+ pse = alloca(m * sizeof(pse[0]));
- BE_TIMER_PUSH(ra_timer.t_verify);
- if (options.vrfy_option != BE_CH_VRFY_OFF) {
- be_ssa_destruction_check(&chordal_env);
- //be_ra_chordal_check(&chordal_env);
+ for (j = 0; j < m; ++j) {
+ memcpy(&pse[j].cenv, &chordal_env, sizeof(chordal_env));
+ pre_spill(isa, j, &pse[j]);
}
- BE_TIMER_POP(ra_timer.t_verify);
- be_ifg_free(chordal_env.ifg);
- pmap_destroy(chordal_env.border_heads);
- bitset_free(chordal_env.ignore_colors);
+ BE_TIMER_PUSH(ra_timer.t_spill);
+ arch_code_generator_spill(birg->cg, &chordal_env);
+ BE_TIMER_POP(ra_timer.t_spill);
+ dump(BE_CH_DUMP_SPILL, irg, NULL, "-spill", dump_ir_block_graph_sched);
- if(be_stat_ev_is_active()) {
- node_stats(&chordal_env, &node_stat);
- be_stat_ev("perms_after_coal", node_stat.n_perms);
- be_stat_ev("copies_after_coal", node_stat.n_copies);
+ for (j = 0; j < m; ++j) {
+ post_spill(&pse[j]);
}
-
- be_stat_ev_pop();
}
BE_TIMER_PUSH(ra_timer.t_spillslots);
BE_TIMER_POP(ra_timer.t_spillslots);
BE_TIMER_PUSH(ra_timer.t_verify);
-
/* verify spillslots */
if (options.vrfy_option == BE_CH_VRFY_WARN) {
be_verify_spillslots(main_env->arch_env, irg);
BE_TIMER_POP(ra_timer.t_verify);
BE_TIMER_PUSH(ra_timer.t_epilog);
-
dump(BE_CH_DUMP_LOWER, irg, NULL, "-spilloff", dump_ir_block_graph_sched);
lower_nodes_after_ra(&chordal_env, options.lower_perm_opt & BE_CH_LOWER_PERM_COPY ? 1 : 0);
dump(BE_CH_DUMP_LOWER, irg, NULL, "-belower-after-ra", dump_ir_block_graph_sched);
obstack_free(&chordal_env.obst, NULL);
- be_free_dominance_frontiers(chordal_env.dom_front);
- be_liveness_free(chordal_env.lv);
-
BE_TIMER_POP(ra_timer.t_epilog);
+
BE_TIMER_POP(ra_timer.t_other);
be_stat_ev("insns_after", count_insns(irg));
-#ifdef WITH_LIBCORE
- return main_opts->timing == BE_TIME_ON ? &ra_timer : NULL;
-#endif /* WITH_LIBCORE */
- return NULL;
+ return;
}
-const be_ra_t be_ra_chordal_allocator = {
-#ifdef WITH_LIBCORE
- be_ra_chordal_register_options,
-#else
- NULL,
-#endif
+static be_ra_t be_ra_chordal_allocator = {
be_ra_chordal_main,
};
+
+void be_init_chordal(void)
+{
+ lc_opt_entry_t *be_grp = lc_opt_get_grp(firm_opt_get_root(), "be");
+ lc_opt_entry_t *ra_grp = lc_opt_get_grp(be_grp, "ra");
+ lc_opt_entry_t *chordal_grp = lc_opt_get_grp(ra_grp, "chordal");
+
+ lc_opt_add_table(chordal_grp, be_chordal_options);
+
+ be_register_allocator("chordal", &be_ra_chordal_allocator);
+}
+
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_chordal);
projects / libfirm / blobdiff