X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbespillslots.h;h=7a251f8b322944e41c08f9465fd12bc467ca7675;hb=fef8dc3eff6468d7d65485af8e1ac9884c504e1a;hp=21dce054f07cc297445b1c5d03f961f8e5698438;hpb=cf1e763f961a2d51d89df2497866902fbae4e366;p=libfirm diff --git a/ir/be/bespillslots.h b/ir/be/bespillslots.h index 21dce054f..7a251f8b3 100644 --- a/ir/be/bespillslots.h +++ b/ir/be/bespillslots.h @@ -1,17 +1,65 @@ /* - * Author: Matthias Braun - * Date: 27.7.2006 - * 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 BESPILLSLOTS_H_ -#define BESPILLSLOTS_H_ -#include "bechordal.h" +/** + * @file + * @brief Spillslot coalescer. + * @author Matthias Braun + * @date 27.07.2006 + */ +#ifndef FIRM_BE_BESPILLSLOTS_H +#define FIRM_BE_BESPILLSLOTS_H + +#include + +typedef struct be_fec_env_t be_fec_env_t; + +/** + * Initializes a new frame entity coalescer environment + */ +be_fec_env_t *be_new_frame_entity_coalescer(ir_graph *irg); + +/** + * Frees a frame entity coalescer environment + */ +void be_free_frame_entity_coalescer(be_fec_env_t *env); + +/** + * Adds a node that needs a frame entity and consumes memory (Reload nodes). The + * memory edges are followed to find memory-phis and the entities that produce + * the memory values. + * + * @param env The frame entity coalescer environment + * @param node The node that uses the frame entity + * @param mode The mode of the needed spillslot + * @param align The alignment of the needed spillslot + */ +void be_node_needs_frame_entity(be_fec_env_t *env, ir_node *node, + const ir_mode *mode, int alignment); + +typedef void (*set_frame_entity_func)(ir_node *node, ir_entity *entity); /** - * Computes the spill offsets for all spill nodes in the irg + * Assigned frame entities to all the nodes added by be_node_needs_frame_entity. + * Adds memory perms where needed. */ -void be_coalesce_spillslots(const be_chordal_env_t *chordal_env); +void be_assign_entities(be_fec_env_t *env, set_frame_entity_func set_frame, + bool alloc_entities_at_begin); #endif