-/**
- * Author: Daniel Grund
- * Date: 12.04.2005
- * Copyright: (c) Universitaet Karlsruhe
- * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+/*
+ * Copyright (C) 1995-2007 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.
*
- * Internal header for copy optimization problem.
+ * 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 _BECOPYOPT_T_H
-#define _BECOPYOPT_T_H
+/**
+ * @file
+ * @brief Internal header for copy optimization problem.
+ * @author Daniel Grund
+ * @date 12.04.2005
+ * @version $Id$
+ */
+#ifndef FIRM_BE_BECOPYOPT_T_H
+#define FIRM_BE_BECOPYOPT_T_H
-#include <obstack.h>
+#include "obst.h"
#include "list.h"
-#include "bearch.h"
+#include "set.h"
+
+#include "bearch_t.h"
#include "bechordal_t.h"
#include "becopyopt.h"
+#include "benodesets.h"
/**
* Data representing the problem of copy minimization.
*/
struct _copy_opt_t {
- be_chordal_env_t *cenv;
+ be_chordal_env_t *cenv;
const arch_register_class_t *cls;
- const arch_env_t *aenv;
- ir_graph *irg;
- char *name; /**< ProgName__IrgName__RegClassName */
- cost_fct_t get_costs; /**< function ptr used to get costs for copies */
+ const arch_env_t *aenv;
+ ir_graph *irg;
+ char *name; /**< ProgName__IrgName__RegClassName */
+ cost_fct_t get_costs; /**< function ptr used to get costs for copies */
/** Representation as optimization units */
- struct list_head units; /**< all units to optimize in specific order */
+ struct list_head units; /**< all units to optimize in specific order */
/** Representation in graph structure. Only build on demand */
struct obstack obst;
- set *nodes;
+ set *nodes;
};
/* Helpers */
+#define ASSERT_OU_AVAIL(co) assert((co)->units.next && "Representation as optimization-units not build")
+#define ASSERT_GS_AVAIL(co) assert((co)->nodes && "Representation as graph not build")
+
#define get_irn_col(co, irn) arch_register_get_index(arch_get_irn_register((co)->aenv, irn))
#define set_irn_col(co, irn, col) arch_set_irn_register((co)->aenv, irn, arch_register_for_index((co)->cls, col))
#define is_curr_reg_class(co, irn) (arch_get_irn_reg_class((co)->aenv, irn, -1) == (co)->cls)
-#define MIN(a,b) ((a<b)?(a):(b))
-#define MAX(a,b) ((a<b)?(b):(a))
-
#define list_entry_units(lh) list_entry(lh, unit_t, units)
#define is_Reg_Phi(irn) (is_Phi(irn) && mode_is_data(get_irn_mode(irn)))
#define is_Perm(arch_env, irn) (arch_irn_classify(arch_env, irn) == arch_irn_class_perm)
#define is_Perm_Proj(arch_env, irn) (is_Proj(irn) && is_Perm(arch_env, get_Proj_pred(irn)))
-#define is_2addr_code(arch_env, irn, req) (arch_get_register_req(arch_env, req, irn, -1)->type == arch_register_req_type_should_be_same)
-
+static INLINE int is_2addr_code(const arch_register_req_t *req)
+{
+ return req->type == arch_register_req_type_should_be_same;
+}
/******************************************************************************
____ _ _ _ _ _ _____ _
#define MIS_HEUR_TRIGGER 8
typedef struct _unit_t {
- struct list_head units; /**< chain for all units */
- copy_opt_t *co; /**< the copy opt this unit belongs to */
- int node_count; /**< size of the nodes array */
- ir_node **nodes; /**< [0] is the root-node, others are non interfering args of it. */
- int *costs; /**< costs[i] are incurred, if nodes[i] has a different color */
- int inevitable_costs; /**< sum of costs of all args interfering with root */
- int all_nodes_costs; /**< sum of all costs[i] */
- int min_nodes_costs; /**< a lower bound for the costs in costs[], determined by a max independent set */
- int sort_key; /**< maximum costs. controls the order of ou's in the struct list_head units. */
+ struct list_head units; /**< chain for all units */
+ copy_opt_t *co; /**< the copy opt this unit belongs to */
+ int node_count; /**< size of the nodes array */
+ ir_node **nodes; /**< [0] is the root-node, others are non interfering args of it. */
+ int *costs; /**< costs[i] are incurred, if nodes[i] has a different color */
+ int inevitable_costs; /**< sum of costs of all args interfering with root */
+ int all_nodes_costs; /**< sum of all costs[i] */
+ int min_nodes_costs; /**< a lower bound for the costs in costs[], determined by a max independent set */
+ int sort_key; /**< maximum costs. controls the order of ou's in the struct list_head units. */
/* for heuristic */
- struct list_head queue; /**< list of qn's sorted by weight of qn-mis */
+ struct list_head queue; /**< list of qn's sorted by weight of qn-mis */
} unit_t;
******************************************************************************/
typedef struct _neighb_t neighb_t;
-typedef struct _node_t node_t;
-
+typedef struct _affinity_node_t affinity_node_t;
struct _neighb_t {
- neighb_t *next; /** the next neighbour entry*/
- ir_node *irn; /** the neighbour itself */
- int costs; /** the costs of the edge (node_t->irn, neighb_t->irn) */
+ neighb_t *next; /** the next neighbour entry*/
+ ir_node *irn; /** the neighbour itself */
+ int costs; /** the costs of the edge (affinity_node_t->irn, neighb_t->irn) */
};
-struct _node_t {
- ir_node *irn; /** a node with affinity edges */
- int count; /** number of affinity edges in the linked list below */
- neighb_t *neighbours; /** a linked list of all affinity neighbours */
+struct _affinity_node_t {
+ ir_node *irn; /** a node with affinity edges */
+ int degree; /** number of affinity edges in the linked list below */
+ neighb_t *neighbours; /** a linked list of all affinity neighbours */
+ void *data; /** stuff that is attachable. */
};
+
+static INLINE affinity_node_t *get_affinity_info(const copy_opt_t *co, ir_node *irn) {
+ affinity_node_t find;
+
+ ASSERT_GS_AVAIL(co);
+
+ find.irn = irn;
+ return set_find(co->nodes, &find, sizeof(find), nodeset_hash(irn));
+}
+
#define co_gs_nodes_begin(co) set_first((co)->nodes)
#define co_gs_nodes_next(co) set_next((co)->nodes)
#define co_gs_nodes_break(co) set_break((co)->nodes)
-#define co_gs_foreach_node(co, node) for (node = co_gs_nodes_begin(co); node; node = co_gs_nodes_next(co))
-#define co_gs_foreach_neighb(node, neighb) for (neighb = node->neighbours; neighb; neighb = neighb->next)
+#define co_gs_foreach_aff_node(co, aff_node) for (aff_node = co_gs_nodes_begin(co); aff_node; aff_node = co_gs_nodes_next(co))
+#define co_gs_foreach_neighb(aff_node, neighb) for (neighb = aff_node->neighbours; neighb; neighb = neighb->next)
+
-#endif
+#endif /* FIRM_BE_BECOPYOPT_T_H */