X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeinsn_t.h;h=8c8c953b7907f839e67170cb65869c73df23c040;hb=2cfb4be35e6255d7cd59824e9b7a5eea39705227;hp=53fc828dea5479821320272b3d997723da5379d1;hpb=a62baf3793037f4657a37c7f298d18dfafedd1e5;p=libfirm

diff --git a/ir/be/beinsn_t.h b/ir/be/beinsn_t.h
index 53fc828de..8c8c953b7 100644
--- a/ir/be/beinsn_t.h
+++ b/ir/be/beinsn_t.h
@@ -1,52 +1,61 @@
-/**
- * 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
+ */
+#ifndef FIRM_BE_BEINSN_T_H
+#define FIRM_BE_BEINSN_T_H
 
+#include "firm_types.h"
 #include "bitset.h"
 
 #include "bearch.h"
+#include "bechordal.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;
-};
+typedef struct be_operand_t  be_operand_t;
+typedef struct be_insn_t     be_insn_t;
 
-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;
+struct be_operand_t {
+	ir_node        *carrier; /**< node representing the operand value (Proj or the node itself for defs, the used value for uses) */
+	be_operand_t   *partner; /**< used in bechordal later... (TODO what does it do?) */
+	unsigned const *regs;    /**< admissible register bitset */
 };
 
-struct _be_insn_env_t {
-	struct obstack              *obst;
-	const arch_env_t            *aenv;
-	const arch_register_class_t *cls;
-	bitset_t                    *ignore_colors;
+struct be_insn_t {
+	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      *irn;       /**< ir_node of the instruction */
 };
 
-#define be_insn_n_defs(insn) ((insn)->use_start)
-#define be_insn_n_uses(insn) ((insn)->n_ops - (insn)->use_start)
-
-be_insn_t *be_scan_insn(const be_insn_env_t *env, ir_node *irn);
+/**
+ * Create a be_insn_t for an IR node.
+ *
+ * @param env      the insn construction environment
+ * @param irn      the irn for which the be_insn should be build
+ *
+ * @return the be_insn for the IR node
+ */
+be_insn_t *be_scan_insn(be_chordal_env_t *env, ir_node *irn);
 
-#endif /* _BEINSN_T_H */
+#endif /* FIRM_BE_BEINSN_T_H */