Improved start sets for blocks with one pred.

[libfirm] / ir / be / bechordal_main.c

diff --git a/ir/be/bechordal_main.c b/ir/be/bechordal_main.c
index 38bd678..5f74c84 100644 (file)
--- a/ir/be/bechordal_main.c
+++ b/ir/be/bechordal_main.c
@@ -154,7 +154,7 @@ int nodes_interfere(const be_chordal_env_t *env, const ir_node *a, const ir_node
 
 
 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,
@@ -186,6 +186,18 @@ static const lc_opt_enum_int_items_t lower_perm_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 spill_var = {
        &options.spill_method, spill_items
 };
@@ -202,6 +214,10 @@ static lc_opt_enum_int_var_t lower_perm_var = {
        &options.lower_perm_method, lower_perm_items
 };
 
+static lc_opt_enum_int_var_t dump_var = {
+       &options.dump_flags, dump_items
+};
+
 static void be_ra_chordal_register_options(lc_opt_entry_t *grp)
 {
        grp = lc_opt_get_grp(grp, "chordal");
@@ -244,7 +260,6 @@ static void be_ra_chordal_main(const be_main_env_t *main_env, ir_graph *irg)
        for(j = 0, m = arch_isa_get_n_reg_class(isa); j < m; ++j) {
                chordal_env.cls          = arch_isa_get_reg_class(isa, j);
                chordal_env.border_heads = pmap_create();
-               chordal_env.constr_irn   = pset_new_ptr(32);
 
                be_liveness(irg);
                dump(BE_CH_DUMP_LIVE, irg, chordal_env.cls, "-live", dump_ir_block_graph_sched);
@@ -265,12 +280,6 @@ static void be_ra_chordal_main(const be_main_env_t *main_env, ir_graph *irg)
                be_liveness(irg);
                be_check_pressure(&chordal_env);
 
-#if 0
-               /* 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);
-#endif
-
                be_liveness(irg);
                be_check_pressure(&chordal_env);
 
@@ -299,7 +308,6 @@ static void be_ra_chordal_main(const be_main_env_t *main_env, ir_graph *irg)
                be_ifg_free(chordal_env.ifg);
 
                pmap_destroy(chordal_env.border_heads);
-               del_pset(chordal_env.constr_irn);
        }
 
        be_compute_spill_offsets(&chordal_env);