X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbespill.h;h=843a0df8dec82a5a4291ca4f6a3efe431e66571c;hb=9c456297552bb20d04e2fe76fd4a712afa8aa63f;hp=354ba57acdf390adfad532dfbb5195ea52d559f5;hpb=5f31a1dce7b52fb89fd220f61e358f63698a59e4;p=libfirm diff --git a/ir/be/bespill.h b/ir/be/bespill.h index 354ba57ac..843a0df8d 100644 --- a/ir/be/bespill.h +++ b/ir/be/bespill.h @@ -1,32 +1,71 @@ -/** - * Author: Daniel Grund - * Date: 29.09.2005 - * Copyright: (c) Universitaet Karlsruhe - * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE. +/* + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. + * + * This file is part of libFirm. + * + * This file may be distributed and/or modified under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation and appearing in the file LICENSE.GPL included in the + * packaging of this file. + * + * Licensees holding valid libFirm Professional Edition licenses may use + * this file in accordance with the libFirm Commercial License. + * Agreement provided with the Software. + * + * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE + * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE. */ -#ifndef BESPILL_H_ -#define BESPILL_H_ - -#include "set.h" -#include "pset.h" - -#include "be_t.h" -#include "irnode.h" +/** + * @file + * @brief Option handling for spiller. + * @author Matthias Braun + * @date 12.10.2006 + */ +#ifndef FIRM_BE_BESPILL_H +#define FIRM_BE_BESPILL_H #include "bearch.h" -typedef struct _spill_env_t spill_env_t; - -spill_env_t *be_new_spill_env(const be_main_session_env_t *session, - const arch_register_class_t *cls); +extern int be_coalesce_spill_slots; +extern int be_do_remats; -void be_delete_spill_env(spill_env_t *senv); +/** + * An entry in the list of spill-algorithms. + */ +typedef struct be_spiller_t { + /** + * The spill function. + * + * @param irg the graph to spill on + * @param cls the register class to spill + */ + void (*spill)(ir_graph *irg, const arch_register_class_t *cls); +} be_spiller_t; -void be_add_spill(spill_env_t *senv, ir_node *to_spill, ir_node *before); +/** + * Register a new spill algorithm. + * + * @param name the name of the spill algorithm, + * used to select it + * @param spiller a spill entry + */ +void be_register_spiller(const char *name, be_spiller_t *spiller); -void be_add_spill_on_edge(spill_env_t *senv, ir_node *to_spill, ir_node *bl, int pos); +/** + * Execute the selected spill algorithm + * + * @param irg the graph to spill on + * @param cls the register class to spill + */ +void be_do_spill(ir_graph *irg, const arch_register_class_t *cls); -void insert_spills_reloads(spill_env_t *senv, pset *mem_phis, pset *reload_set); +/** + * Adds additional copies, so constraints needing additional registers to be + * solved correctly induce the additional register pressure. + */ +void be_pre_spill_prepare_constr(ir_graph *irg, + const arch_register_class_t *cls); -#endif /*BESPILL_H_*/ +#endif