X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbespill.h;h=61a92d88d5fd11622e43307e11f69f2304a23231;hb=9dbd3483c36950b2fa92ff191d6f19153696105a;hp=10b31d9e60a826a476be97e29b6132a30fefe669;hpb=e2f37d0340ab4de1d7de4b1e0bdf3de081ef283e;p=libfirm diff --git a/ir/be/bespill.h b/ir/be/bespill.h index 10b31d9e6..61a92d88d 100644 --- a/ir/be/bespill.h +++ b/ir/be/bespill.h @@ -1,57 +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_types.h" -#include "set.h" -#include "pset.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; +extern int be_coalesce_spill_slots; +extern int be_do_remats; /** - * Creates a new spill environment. - * - * @param chordal + * An entry in the list of spill-algorithms. */ -spill_env_t *be_new_spill_env(const be_chordal_env_t *chordal); +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; /** - * Marks a phi-node for spilling. So when reloading from this phi-node, not - * only its value but the whole phi will be spilled. + * Register a new spill algorithm. + * + * @param name the name of the spill algorithm, + * used to select it + * @param spiller a spill entry */ -void be_spill_phi(spill_env_t *env, ir_node *node); +void be_register_spiller(const char *name, be_spiller_t *spiller); /** - * Deletes a spill environment. - */ -void be_delete_spill_env(spill_env_t *senv); - -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); - -void be_insert_spills_reloads(spill_env_t *senv); - -/** - * Computes the spill offsets for all spill nodes in the irg + * Execute the selected spill algorithm + * + * @param irg 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(ir_graph *irg, const arch_register_class_t *cls); /** - * Sets the debug module of a spill environment. + * Adds additional copies, so constraints needing additional registers to be + * solved correctly induce the additional register pressure. */ -DEBUG_ONLY(void be_set_spill_env_dbg_module(spill_env_t *env, firm_dbg_module_t *dbg)); +void be_pre_spill_prepare_constr(ir_graph *irg, + const arch_register_class_t *cls); -#endif /* BESPILL_H_ */ +#endif