+/*
+ * 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 <stdio.h>
#include "firm_types.h"
#include "bechordal.h"
-
-#ifdef WITH_LIBCORE
-#include <libcore/lc_opts.h>
-extern void co_register_options(lc_opt_entry_t *grp);
-#endif
+#include "beutil.h"
/**
* Flags for dumping the IFG.
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);
+void be_register_copyopt(const char *name, co_algo_info *copyopt);
-typedef struct _copy_opt_t copy_opt_t;
-
-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 *);
*/
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);
*/
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 {
- unsigned long long int aff_edges; /**< number of affinity edges. */
- unsigned long long int aff_nodes; /**< number of nodes with incident affinity edges. */
- unsigned long long int aff_int; /**< number of affinity edges whose nodes also interfere. */
- unsigned long long int inevit_costs; /**< costs which cannot be evited (due to interfering affinities). */
- unsigned long long int max_costs; /**< all costs of the affinities. */
- unsigned long long int costs; /**< The costs of the current coloring. */
- unsigned long long int unsatisfied_edges; /**< The number of unequally colored affinity edges. */
+ 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;
/**
* 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
*/
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
*/
int co_gs_is_optimizable(copy_opt_t *co, ir_node *irn);
-#endif /* _BECOPYOPT_H */
+#endif
projects / libfirm / blobdiff