X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbecopyopt.h;h=6646e5d01f228d619d13b2c52c02bd8765b738e0;hb=6bd0f7309f4670de0ada96a3de0a954d1ebe48dd;hp=23b497fc90143d22ae0f31c88449866dea8777f0;hpb=8105317384cd99ef55d8c052684a401b2484f64b;p=libfirm diff --git a/ir/be/becopyopt.h b/ir/be/becopyopt.h index 23b497fc9..6646e5d01 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. @@ -40,22 +55,33 @@ enum { CO_ALGO_NONE, CO_ALGO_HEUR, CO_ALGO_HEUR2, - CO_ALGO_HEUR3, + CO_ALGO_HEUR4, CO_ALGO_ILP, + CO_ALGO_PBQP, 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 struct { + int (*copyopt)(copy_opt_t *co); /**< function ptr to run copyopt */ + int can_improve_existing; +} co_algo_info; + /** - * Has to be called during the firm init phase + * 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_copy_opt_init(void); - -typedef struct _copy_opt_t copy_opt_t; +void be_register_copyopt(const char *name, co_algo_info *copyopt); -typedef int(*cost_fct_t)(const copy_opt_t *, ir_node*, ir_node*, int); +/** The driver for copy minimization. */ +void co_driver(be_chordal_env_t *cenv); /** A coalescing algorithm. */ typedef int (co_algo_t)(copy_opt_t *); @@ -70,30 +96,18 @@ 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. - * @param pos the argument position of arg in the root arguments - * @return Must be >= 0 in all cases. + * @param pos the argument position of arg in the root arguments + * @return Must be >= 0 in all cases. */ int co_get_costs_loop_depth(const copy_opt_t *co, ir_node *root, ir_node* arg, int pos); /** * Computes the costs of a copy according to execution frequency * @param co The copy opt object. - * @param pos the argument position of arg in the root arguments + * @param pos the argument position of arg in the root arguments * @return Must be >= 0 in all cases. */ int co_get_costs_exec_freq(const copy_opt_t *co, ir_node *root, ir_node* arg, int pos); @@ -105,7 +119,42 @@ int co_get_costs_exec_freq(const copy_opt_t *co, ir_node *root, ir_node* arg, in */ int co_get_costs_all_one(const copy_opt_t *co, ir_node *root, ir_node* arg, int pos); +#ifdef _MSC_VER +typedef __int64 long64; +typedef unsigned __int64 ulong64; + +#define LL_FMT "i64" +#define ULL_FMT "ui64" + +#else +typedef long long long64; +typedef unsigned long long ulong64; + +#define LL_FMT "ll" +#define ULL_FMT "llu" + +#endif + +/** + * Statistics over a copy optimization module. + */ +typedef struct { + ulong64 aff_edges; /**< number of affinity edges. */ + ulong64 aff_nodes; /**< number of nodes with incident affinity edges. */ + ulong64 aff_int; /**< number of affinity edges whose nodes also interfere. */ + ulong64 inevit_costs; /**< costs which cannot be evited (due to interfering affinities). */ + ulong64 max_costs; /**< all costs of the affinities. */ + ulong64 costs; /**< The costs of the current coloring. */ + ulong64 unsatisfied_edges; /**< The number of unequally colored affinity edges. */ +} co_complete_stats_t; +/** + * Collect statistics of a copy optimization module. + * @param co The copy optimization environment. + * @param stat Where to put the stats. + * @note This requires the graph info to be computed. + */ +void co_complete_stats(const copy_opt_t *co, co_complete_stats_t *stat); /** @@ -135,14 +184,7 @@ 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 @@ -208,13 +250,6 @@ void co_build_graph_structure(copy_opt_t *co); */ void co_free_graph_structure(copy_opt_t *co); -/** - * Solves the problem using mixed integer programming - * @returns 1 iff solution state was optimal - * NYI - */ -int co_solve_ilp1(copy_opt_t *co, double time_limit); - /** * Solves the problem using mixed integer programming * @returns 1 iff solution state was optimal @@ -229,4 +264,4 @@ int co_solve_ilp2(copy_opt_t *co); */ int co_gs_is_optimizable(copy_opt_t *co, ir_node *irn); -#endif /* _BECOPYOPT_H */ +#endif