#include "xmalloc.h"
#include "bechordal_t.h"
+#include "beabi.h"
#include "beutil.h"
#include "besched.h"
#include "benumb_t.h"
#include "beifg_impl.h"
#include "bespillbelady.h"
-#include "bespillilp.h"
-#include "beconstrperm.h"
#include "belower.h"
-#include "becopyoptmain.h"
-#include "bessadestr.h"
+#ifdef WITH_ILP
+#include "bespillilp.h"
+#endif /* WITH_ILP */
+
#include "becopystat.h"
+#include "becopyopt.h"
+#include "bessadestr.h"
void be_ra_chordal_check(be_chordal_env_t *chordal_env) {
- firm_dbg_module_t *dbg = chordal_env->dbg;
- const arch_env_t *arch_env = chordal_env->main_env->arch_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);
static void check_pressure_walker(ir_node *bl, void *data)
{
be_chordal_env_t *env = data;
- firm_dbg_module_t *dbg = env->dbg;
int n_regs = arch_register_class_n_regs(env->cls);
pset *live = pset_new_ptr_default();
int step = 0;
ir_node *irn;
irn_live_t *li;
+ DEBUG_ONLY(firm_dbg_module_t *dbg = env->dbg;)
live_foreach(bl, li) {
if(live_is_end(li) && chordal_has_class(env, li->irn)) {
static be_ra_chordal_opts_t options = {
- BE_CH_DUMP_ALL,
+ BE_CH_DUMP_NONE,
BE_CH_SPILL_BELADY,
BE_CH_COPYMIN_HEUR,
BE_CH_IFG_STD,
- BE_CH_LOWER_PERM_SWAP
+ BE_CH_LOWER_PERM_SWAP,
};
#ifdef WITH_LIBCORE
static const lc_opt_enum_int_items_t spill_items[] = {
{ "belady", BE_CH_SPILL_BELADY },
+#ifdef WITH_ILP
{ "ilp", BE_CH_SPILL_ILP },
+#endif
{ NULL, 0 }
};
static const lc_opt_enum_int_items_t copymin_items[] = {
+ { "none", BE_CH_COPYMIN_NONE },
{ "heur", BE_CH_COPYMIN_HEUR },
- { "ilp", BE_CH_COPYMIN_ILP },
+#ifdef WITH_ILP
+ { "ilp1", BE_CH_COPYMIN_ILP1 },
+ { "ilp2", BE_CH_COPYMIN_ILP2 },
+#endif
{ NULL, 0 }
};
};
static const lc_opt_enum_int_items_t lower_perm_items[] = {
- { "swap", BE_CH_LOWER_PERM_SWAP },
{ "copy", BE_CH_LOWER_PERM_COPY },
+ { "swap", BE_CH_LOWER_PERM_SWAP },
+ { NULL, 0 }
+};
+
+static const lc_opt_enum_int_items_t lower_perm_stat_items[] = {
+ { NULL, 0 }
+};
+
+static const lc_opt_enum_int_items_t dump_items[] = {
+ { "spill", BE_CH_DUMP_SPILL },
+ { "live", BE_CH_DUMP_LIVE },
+ { "color", BE_CH_DUMP_COLOR },
+ { "copymin", BE_CH_DUMP_COPYMIN },
+ { "ssadestr", BE_CH_DUMP_SSADESTR },
+ { "tree", BE_CH_DUMP_TREE_INTV },
+ { "constr", BE_CH_DUMP_CONSTR },
+ { "lower", BE_CH_DUMP_LOWER },
{ NULL, 0 }
};
};
static lc_opt_enum_int_var_t lower_perm_var = {
- &options.lower_perm_method, lower_perm_items
+ &options.lower_perm_opt, lower_perm_items
+};
+
+static lc_opt_enum_int_var_t dump_var = {
+ &options.dump_flags, dump_items
+};
+
+static const lc_opt_table_entry_t be_chordal_options[] = {
+ LC_OPT_ENT_ENUM_MASK("spill", "spill method (belady or ilp)", &spill_var),
+ LC_OPT_ENT_ENUM_PTR("copymin", "copymin method (none, heur or ilp)", ©min_var),
+ LC_OPT_ENT_ENUM_PTR("ifg", "interference graph flavour (std or fast)", &ifg_flavor_var),
+ LC_OPT_ENT_ENUM_MASK("perm", "perm lowering options (copy, swap)", &lower_perm_var),
+ LC_OPT_ENT_ENUM_MASK("dump", "select dump phases", &dump_var),
+ { NULL }
};
static void be_ra_chordal_register_options(lc_opt_entry_t *grp)
{
- grp = lc_opt_get_grp(grp, "chordal");
+ static int run_once = 0;
+ lc_opt_entry_t *chordal_grp;
+
+ if (! run_once) {
+ run_once = 1;
+ chordal_grp = lc_opt_get_grp(grp, "chordal");
+
+ lc_opt_add_table(chordal_grp, be_chordal_options);
+ }
}
#endif
const char *suffix,
void (*dump_func)(ir_graph *, const char *))
{
- if(1 || (options.dump_flags & mask) == mask) {
+ if(1 || ((options.dump_flags & mask) == mask)) {
if(cls) {
char buf[256];
snprintf(buf, sizeof(buf), "-%s%s", cls->name, suffix);
- dump_func(irg, buf);
+ be_dump(irg, buf, dump_func);
}
else
- dump_func(irg, suffix);
+ be_dump(irg, suffix, dump_func);
}
}
-static void be_ra_chordal_main(const be_main_env_t *main_env, ir_graph *irg)
+static void put_ignore_colors(be_chordal_env_t *chordal_env)
+{
+ int n_colors = chordal_env->cls->n_regs;
+ int i;
+
+ bitset_clear_all(chordal_env->ignore_colors);
+ be_abi_put_ignore_regs(chordal_env->birg->abi, chordal_env->cls, chordal_env->ignore_colors);
+ for(i = 0; i < n_colors; ++i)
+ if(arch_register_type_is(&chordal_env->cls->regs[i], ignore))
+ bitset_set(chordal_env->ignore_colors, i);
+}
+
+static void 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;
+
int j, m;
be_chordal_env_t chordal_env;
- const arch_isa_t *isa = arch_env_get_isa(main_env->arch_env);
compute_doms(irg);
- chordal_env.irg = irg;
- chordal_env.dbg = firm_dbg_register("be.chordal");
- chordal_env.main_env = main_env;
- chordal_env.dom_front = be_compute_dominance_frontiers(irg);
+ chordal_env.opts = &options;
+ chordal_env.irg = irg;
+ chordal_env.birg = bi;
+ chordal_env.dom_front = be_compute_dominance_frontiers(irg);
+ FIRM_DBG_REGISTER(chordal_env.dbg, "firm.be.chordal");
obstack_init(&chordal_env.obst);
- lower_nodes_before_ra(&chordal_env, 0);
- dump(BE_CH_DUMP_LOWER, irg, NULL, "-belower-before-ra", dump_ir_block_graph_sched);
-
/* Perform the following for each register class. */
for(j = 0, m = arch_isa_get_n_reg_class(isa); j < m; ++j) {
- chordal_env.border_heads = pmap_create();
- chordal_env.cls = arch_isa_get_reg_class(isa, j);
+ 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);
+
+ /* put all ignore registers into the ignore register set. */
+ put_ignore_colors(&chordal_env);
be_liveness(irg);
dump(BE_CH_DUMP_LIVE, irg, chordal_env.cls, "-live", dump_ir_block_graph_sched);
case BE_CH_SPILL_BELADY:
be_spill_belady(&chordal_env);
break;
+#ifdef WITH_ILP
case BE_CH_SPILL_ILP:
be_spill_ilp(&chordal_env);
break;
+#endif /* WITH_ILP */
default:
fprintf(stderr, "no valid spiller selected. falling back to belady\n");
be_spill_belady(&chordal_env);
be_liveness(irg);
be_check_pressure(&chordal_env);
- /* Insert perms before reg-constrained instructions */
- be_insert_constr_perms(&chordal_env);
- dump(BE_CH_DUMP_CONSTR, irg, chordal_env.cls, "-constr", dump_ir_block_graph_sched);
-
- be_liveness(irg);
- be_numbering(irg);
- be_check_pressure(&chordal_env);
-
/* Color the graph. */
be_ra_chordal_color(&chordal_env);
dump(BE_CH_DUMP_CONSTR, irg, chordal_env.cls, "-color", dump_ir_block_graph_sched);
be_ifg_check(chordal_env.ifg);
/* copy minimization */
- copystat_collect_cls(&chordal_env);
- be_copy_opt(&chordal_env);
+#ifdef COPYOPT_STAT
+ co_compare_solvers(&chordal_env);
+#else /* COPYOPT_STAT */
+ {
+ copy_opt_t *co = new_copy_opt(&chordal_env, co_get_costs_loop_depth);
+ co_build_ou_structure(co);
+
+ switch(options.copymin_method) {
+ case BE_CH_COPYMIN_HEUR:
+ co_solve_heuristic(co);
+ break;
+#ifdef WITH_ILP
+ case BE_CH_COPYMIN_ILP1:
+ co_solve_ilp1(co, 60.0);
+ break;
+ case BE_CH_COPYMIN_ILP2:
+ co_build_graph_structure(co);
+ co_solve_ilp2(co, 60.0);
+ co_free_graph_structure(co);
+ break;
+#endif /* WITH_ILP */
+ case BE_CH_COPYMIN_NONE:
+ default:
+ break;
+ }
+
+ co_free_ou_structure(co);
+ free_copy_opt(co);
+ }
+#endif /* COPYOPT_STAT */
dump(BE_CH_DUMP_COPYMIN, irg, chordal_env.cls, "-copymin", dump_ir_block_graph_sched);
be_ra_chordal_check(&chordal_env);
copystat_dump(irg);
be_ifg_free(chordal_env.ifg);
- be_numbering_done(irg);
-
pmap_destroy(chordal_env.border_heads);
+ bitset_free(chordal_env.ignore_colors);
}
be_compute_spill_offsets(&chordal_env);
dump(BE_CH_DUMP_LOWER, irg, NULL, "-spilloff", dump_ir_block_graph_sched);
- lower_nodes_after_ra(&chordal_env, options.lower_perm_method == BE_CH_LOWER_PERM_COPY ? 1 : 0);
+ 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);
- be_free_dominance_frontiers(chordal_env.dom_front);
obstack_free(&chordal_env.obst, NULL);
+ be_free_dominance_frontiers(chordal_env.dom_front);
}
const be_ra_t be_ra_chordal_allocator = {
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