-/**
- * Instructions
+/*
+ * 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.
*
- * A data structure to treat nodes and node-proj collections uniformly.
+ * 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 _BEINSN_T_H
-#define _BEINSN_T_H
+/**
+ * @file
+ * @brief A data structure to treat nodes and node-proj collections uniformly.
+ * @author Sebastian Hack
+ * @version $Id$
+ */
+#ifndef FIRM_BE_BEINSN_T_H
+#define FIRM_BE_BEINSN_T_H
+#include "firm_types.h"
#include "bitset.h"
+#include "obst.h"
#include "bearch.h"
+#include "beirg.h"
typedef struct _be_operand_t be_operand_t;
typedef struct _be_insn_t be_insn_t;
typedef struct _be_insn_env_t be_insn_env_t;
struct _be_operand_t {
- ir_node *irn;
- ir_node *carrier;
- be_operand_t *partner;
- bitset_t *regs;
- int pos;
- arch_register_req_t req;
- unsigned has_constraints : 1;
+ ir_node *irn; /**< Firm node of the insn this operand belongs to */
+ ir_node *carrier; /**< node representing the operand value (Proj or the node itself for defs, the value itself for uses */
+ be_operand_t *partner; /**< used in bechordal later... (TODO what does it do?) */
+ bitset_t *regs; /**< admissible register bitset */
+ int pos; /**< pos of the operand (0 to n are inputs, -1 to -n are outputs) */
+ const arch_register_req_t *req; /**< register constraints for the carrier node */
+ unsigned has_constraints : 1; /**< the carrier node has register constraints (the constraint type is limited) */
};
struct _be_insn_t {
- be_operand_t *ops;
- int n_ops;
- int use_start;
- ir_node *next_insn;
- ir_node *irn;
- unsigned in_constraints : 1;
- unsigned out_constraints : 1;
- unsigned has_constraints : 1;
- unsigned pre_colored : 1;
+ be_operand_t *ops; /**< the values used and defined by the insn */
+ int n_ops; /**< length of the ops array */
+ int use_start; /**< entries [0-use_start) in ops are defs,
+ [use_start-n_ops) uses */
+ ir_node *next_insn; /**< next instruction in schedule */
+ ir_node *irn; /**< ir_node of the instruction */
+ unsigned in_constraints : 1; /**< instruction has input contraints */
+ unsigned out_constraints : 1; /**< instruction has output constraints */
+ unsigned has_constraints : 1; /**< in_constraints or out_constraints true */
+ unsigned pre_colored : 1; /**< all defined values already have a register assigned */
};
struct _be_insn_env_t {
be_insn_t *be_scan_insn(const be_insn_env_t *env, ir_node *irn);
-#endif /* _BEINSN_T_H */
+be_insn_env_t *be_insn_env_init(be_insn_env_t *ie, const be_irg_t *birg, const arch_register_class_t *cls, struct obstack *obst);
+
+#endif /* FIRM_BE_BEINSN_T_H */