2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Option handling for spiller.
23 * @author Daniel Grund, Sebastian Hack, Matthias Braun
33 #include "bespilloptions.h"
37 #include <libcore/lc_opts.h>
38 #include <libcore/lc_opts_enum.h>
39 #include <libcore/lc_timing.h>
41 int be_coalesce_spill_slots = 1;
44 static const lc_opt_table_entry_t be_spill_options[] = {
45 LC_OPT_ENT_BOOL ("coalesce_slots", "coalesce the spill slots", &be_coalesce_spill_slots),
46 LC_OPT_ENT_BOOL ("remat", "try to rematerialize values instead of reloading", &be_do_remats),
50 static be_module_list_entry_t *spillers = NULL;
51 static be_spiller_t *selected_spiller = NULL;
53 void be_register_spiller(const char *name, be_spiller_t *spiller)
55 if(selected_spiller == NULL)
56 selected_spiller = spiller;
57 be_add_module_to_list(&spillers, name, spiller);
60 void be_do_spill(be_irg_t *birg, const arch_register_class_t* cls)
62 assert(selected_spiller != NULL);
63 if(selected_spiller != NULL) {
64 selected_spiller->spill(birg, cls);
68 void be_init_spilloptions(void)
70 lc_opt_entry_t *be_grp = lc_opt_get_grp(firm_opt_get_root(), "be");
71 lc_opt_entry_t *spill_grp = lc_opt_get_grp(be_grp, "spill");
73 lc_opt_add_table(spill_grp, be_spill_options);
74 be_add_module_list_opt(spill_grp, "spiller", "spill algorithm",
75 &spillers, (void**) &selected_spiller);
78 BE_REGISTER_MODULE_CONSTRUCTOR(be_init_spilloptions);