X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbespill.h;h=61a92d88d5fd11622e43307e11f69f2304a23231;hb=4eccff9cdc2a5e114606e8b83745f1339c83c932;hp=7a7702620d01e5cb089b65b6e3a6d521452905fa;hpb=6165d2a9406fcc89959cc52a312eaff7bfd99c1b;p=libfirm diff --git a/ir/be/bespill.h b/ir/be/bespill.h index 7a7702620..61a92d88d 100644 --- a/ir/be/bespill.h +++ b/ir/be/bespill.h @@ -1,30 +1,73 @@ -/** - * 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" +/** + * @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 "be_t.h" -#include "irnode.h" +#include "bearch.h" +#include "beirg.h" -typedef struct _spill_env_t { - const be_main_session_env_t *session; - set *spill_ctxs; - pset *mem_phis; /**< all phis which must be converted to memory phis */ -} spill_env_t; +extern int be_coalesce_spill_slots; +extern int be_do_remats; -int be_set_cmp_spillctx(const void *a, const void *b, size_t n); +/** + * 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; -ir_node *be_spill_node(spill_env_t *senv, ir_node *to_spill); +/** + * 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_remove_spilled_phis(spill_env_t *senv); +/** + * 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); +/** + * 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