X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbespill.h;h=52551132c058b3743f0e8e862fc58e83a401be44;hb=bb4b701ebadcf132a2a6637f41db3c845d51de78;hp=a0503cd41e55d905a1738b1e71ed5c19d0ed2ca6;hpb=3767f52182607e5de9f0ed7e48d88132317c12d8;p=libfirm diff --git a/ir/be/bespill.h b/ir/be/bespill.h index a0503cd41..52551132c 100644 --- a/ir/be/bespill.h +++ b/ir/be/bespill.h @@ -1,43 +1,73 @@ -/** - * Author: Daniel Grund, Sebastian Hack - * 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 "firm_config.h" -#include "set.h" -#include "pset.h" -#include "irnode.h" -#include "debug.h" - -#include "bechordal.h" -#include "be_t.h" +/** + * @file + * @brief Option handling for spiller. + * @author Matthias Braun + * @date 12.10.2006 + * @version $Id$ + */ +#ifndef FIRM_BE_BESPILL_H +#define FIRM_BE_BESPILL_H #include "bearch.h" +#include "beirg.h" -typedef struct _spill_env_t spill_env_t; -typedef int(*decide_irn_t)(const ir_node*, void*); - - -spill_env_t *be_new_spill_env(const be_chordal_env_t *chordal, decide_irn_t is_mem_phi, void *data); - -void be_delete_spill_env(spill_env_t *senv); +extern int be_coalesce_spill_slots; +extern int be_do_remats; -void be_add_reload(spill_env_t *senv, ir_node *to_spill, ir_node *before); - -void be_add_reload_on_edge(spill_env_t *senv, ir_node *to_spill, ir_node *bl, int pos); +/** + * An entry in the list of spill-algorithms. + */ +typedef struct be_spiller_t { + /** + * The spill function. + * + * @param birg the graph to spill on + * @param cls the register class to spill + */ + void (*spill)(be_irg_t *birg, const arch_register_class_t *cls); +} be_spiller_t; -void be_insert_spills_reloads(spill_env_t *senv, pset *reload_set); +/** + * 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); /** - * Computes the spill offsets for all spill nodes in the irg + * Execute the selected spill algorithm + * + * @param birg the graph to spill on + * @param cls the register class to spill */ -void be_compute_spill_offsets(be_chordal_env_t *cenv); +void be_do_spill(be_irg_t *birg, const arch_register_class_t *cls); -DEBUG_ONLY(void be_set_spill_env_dbg_module(spill_env_t *env, firm_dbg_module_t *dbg)); +/** + * Adds additional copies, so constraints needing additional registers to be + * solved correctly induce the additional register pressure. + */ +void be_pre_spill_prepare_constr(be_irg_t *birg, + const arch_register_class_t *cls); -#endif /*BESPILL_H_*/ +#endif