X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbecopyopt.h;h=6c371ea48697ec7b3db6cd8facbb56a94ac5064d;hb=a3ff5d70ee39a6308a81fb4d7f53258d11f93013;hp=0ef10ca8803da029e0ef148ed9f7ea334834eba5;hpb=da48a7f7266cfe6274fc4d159d63bba245724222;p=libfirm diff --git a/ir/be/becopyopt.h b/ir/be/becopyopt.h index 0ef10ca88..6c371ea48 100644 --- a/ir/be/becopyopt.h +++ b/ir/be/becopyopt.h @@ -1,27 +1,42 @@ +/* + * 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. + */ + /** - * Author: Daniel Grund - * Date: 11.04.2005 - * Copyright: (c) Universitaet Karlsruhe - * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE. + * @file + * @brief Copy minimization driver. + * @author Daniel Grund + * @date 11.04.2005 + * @version $Id$ * * Main file for the optimization reducing the copies needed for: * - Phi coalescing * - Register-constrained nodes * - Two-address code instructions */ - -#ifndef _BECOPYOPT_H -#define _BECOPYOPT_H +#ifndef FIRM_BE_BECOPYOPT_H +#define FIRM_BE_BECOPYOPT_H #include #include "firm_types.h" #include "bechordal.h" - -#ifdef WITH_LIBCORE -#include -extern void co_register_options(lc_opt_entry_t *grp); -#endif +#include "beutil.h" /** * Flags for dumping the IFG. @@ -40,17 +55,35 @@ enum { CO_ALGO_NONE, CO_ALGO_HEUR, CO_ALGO_HEUR2, - CO_ALGO_HEUR3, + CO_ALGO_HEUR4, CO_ALGO_ILP, +#ifdef FIRM_KAPS + CO_ALGO_PBQP, +#endif CO_ALGO_LAST }; -/** The driver for copy minimization. */ -void co_driver(be_chordal_env_t *cenv); - typedef struct _copy_opt_t copy_opt_t; -typedef int(*cost_fct_t)(const copy_opt_t *, ir_node*, ir_node*, int); +typedef int(*cost_fct_t)(const copy_opt_t *, ir_node *, ir_node *, int); + +typedef struct { + int (*copyopt)(copy_opt_t *co); /**< function ptr to run copyopt */ + int can_improve_existing; +} co_algo_info; + + +/** + * Register a new copy optimization algorithm. + * + * @param name the name of the copy optimazation algorithm, + * used to select it + * @param copyopt a copy optimazation entry + */ +void be_register_copyopt(const char *name, co_algo_info *copyopt); + +/** The driver for copy minimization. */ +void co_driver(be_chordal_env_t *cenv); /** A coalescing algorithm. */ typedef int (co_algo_t)(copy_opt_t *); @@ -65,18 +98,6 @@ copy_opt_t *new_copy_opt(be_chordal_env_t *chordal_env, cost_fct_t get_costs); */ void free_copy_opt(copy_opt_t *co); -/** - * Checks if a node is optimizable, viz. has something to do with coalescing - * @param arch The architecture environment - * @param irn The irn to check - */ -int co_is_optimizable_root(const copy_opt_t *co, ir_node *irn); - -/** - * Checks if the irn is a non-interfering argument of a node which 'is_optimizable' - */ -int co_is_optimizable_arg(const copy_opt_t *co, ir_node *irn); - /** * Computes the costs of a copy according to loop depth * @param co The copy opt object. @@ -149,14 +170,7 @@ void co_solve_park_moon(copy_opt_t *co); * Solves the copy minimization problem using another heuristic approach. * Uses the OU and the GRAPH data structure. */ -int co_solve_heuristic_new(copy_opt_t *co); - -/** - * Solves the copy minimization problem using another heuristic approach implemented in Java. - * This function needs a JVM which is started to call the Java module. - * Uses the GRAPH data structure. - */ -int co_solve_heuristic_java(copy_opt_t *co); +int co_solve_heuristic_new(copy_opt_t *co); /** * Returns the maximal costs possible, i.e. the costs if all @@ -243,4 +257,4 @@ int co_solve_ilp2(copy_opt_t *co); */ int co_gs_is_optimizable(copy_opt_t *co, ir_node *irn); -#endif /* _BECOPYOPT_H */ +#endif /* FIRM_BE_BECOPYOPT_H */