X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbechordal_main.c;h=7ea2e49e1cb72d941b946f55759bfae9be9349b4;hb=e782bd598a2f96d5181ee4aebe353addc6d04058;hp=c44fbe2a103467bdc79c3972be43ac5188455332;hpb=67c11196d3abc39579127b61e8e2e9539ca41dd2;p=libfirm

diff --git a/ir/be/bechordal_main.c b/ir/be/bechordal_main.c
index c44fbe2a1..7ea2e49e1 100644
--- a/ir/be/bechordal_main.c
+++ b/ir/be/bechordal_main.c
@@ -33,32 +33,35 @@
 #include "xmalloc.h"
 
 #include "bechordal_t.h"
+#include "beabi.h"
 #include "beutil.h"
 #include "besched.h"
 #include "benumb_t.h"
 #include "besched_t.h"
 #include "belive_t.h"
 #include "bearch.h"
-#include "beifg.h"
+#include "beifg_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);
@@ -80,7 +83,7 @@ void be_ra_chordal_check(be_chordal_env_t *chordal_env) {
 		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");
+			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);
@@ -96,13 +99,13 @@ void be_ra_chordal_check(be_chordal_env_t *chordal_env) {
 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)) {
@@ -159,19 +162,25 @@ static be_ra_chordal_opts_t options = {
 	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 }
 };
 
@@ -182,8 +191,24 @@ static const lc_opt_enum_int_items_t ifg_flavor_items[] = {
 };
 
 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 }
 };
 
@@ -200,101 +225,178 @@ static lc_opt_enum_int_var_t ifg_flavor_var = {
 };
 
 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)", &copymin_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)
 {
-	lc_opt_entry_t *dump;
-	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
 
-static void dump(int mask, ir_graph *irg, const char *suffix,
-				 void (*dump)(ir_graph *, const char *))
+static void dump(unsigned mask, ir_graph *irg,
+				 const arch_register_class_t *cls,
+				 const char *suffix,
+				 void (*dump_func)(ir_graph *, const char *))
 {
-	if((options.dump_flags & mask) == mask)
-		dump(irg, suffix);
+	if(1 || ((options.dump_flags & mask) == mask)) {
+		if(cls) {
+			char buf[256];
+			snprintf(buf, sizeof(buf), "-%s%s", cls->name, suffix);
+			be_dump(irg, buf, dump_func);
+		}
+
+		else
+			be_dump(irg, suffix, dump_func);
+	}
+}
+
+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_main_env_t *main_env, ir_graph *irg)
+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("firm.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);
 
 	/* 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);
 
 		/* spilling */
 		switch(options.spill_method) {
 		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);
 		}
-		dump(BE_CH_DUMP_SPILL, irg, "-spill", dump_ir_block_graph_sched);
-		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, "-constr", dump_ir_block_graph_sched);
-
+		dump(BE_CH_DUMP_SPILL, irg, chordal_env.cls, "-spill", 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);
 
 		/* Build the interference graph. */
 		chordal_env.ifg = be_ifg_std_new(&chordal_env);
 		be_ifg_check(chordal_env.ifg);
 
 		/* copy minimization */
-		copystat_collect_cls(&chordal_env);
-		be_copy_opt(&chordal_env);
-		dump(BE_CH_DUMP_COPYMIN, irg, "-copymin", dump_ir_block_graph_sched);
+#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);
 
 		/* ssa destruction */
 		be_ssa_destruction(&chordal_env);
-		dump(BE_CH_DUMP_SSADESTR, irg, "-ssadestr", dump_ir_block_graph_sched);
+		dump(BE_CH_DUMP_SSADESTR, irg, chordal_env.cls, "-ssadestr", dump_ir_block_graph_sched);
 		be_ssa_destruction_check(&chordal_env);
 		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);
 	}
 
-	lower_perms(&chordal_env, options.lower_perm_method == BE_CH_LOWER_PERM_COPY ? 1 : 0);
+	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_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 = {