X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeinsn_t.h;h=8897873042cdbe16b5b9146bfef2da444ca4d0a1;hb=026ec52ac914eee06e7afb961fb754735fb4ad9f;hp=777a122467b452fe4e4153f4cc5c0f6a930c8ed1;hpb=f436f72951577e35b60e0ea1f2e6a536e4f479bb;p=libfirm

diff --git a/ir/be/beinsn_t.h b/ir/be/beinsn_t.h
index 777a12246..889787304 100644
--- a/ir/be/beinsn_t.h
+++ b/ir/be/beinsn_t.h
@@ -1,45 +1,67 @@
-/**
- * Instructions
+/*
+ * 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.
  *
- * A data structure to treat nodes and node-proj collections uniformly.
+ * 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.
  */
 
-#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 {
 	struct obstack              *obst;
-	const arch_env_t            *aenv;
 	const arch_register_class_t *cls;
 	bitset_t                    *ignore_colors;
 };
@@ -51,4 +73,4 @@ be_insn_t *be_scan_insn(const be_insn_env_t *env, ir_node *irn);
 
 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 /* _BEINSN_T_H */
+#endif /* FIRM_BE_BEINSN_T_H */