X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Ftv%2Ftv_t.h;h=86b2cf476a89e9cec3c05f0e5d3be28cb2dd07d8;hb=7498ed3766f3f98604d96d1b75978a3a9e6768ed;hp=8272c7838940d0b343642f1ed13c71530601edb9;hpb=25a9079a440dca3115aedcc4c22438e187ed9d7d;p=libfirm

diff --git a/ir/tv/tv_t.h b/ir/tv/tv_t.h
index 8272c7838..86b2cf476 100644
--- a/ir/tv/tv_t.h
+++ b/ir/tv/tv_t.h
@@ -1,25 +1,70 @@
 /*
- * Project:     libFIRM
- * File name:   ir/tv/tv_t.h
- * Purpose:     Representation of and static computations on target machine
- *              values -- private header.
- * Author:      Mathias Heil
- * Modified by:
- * Created:
- * CVS-ID:      $Id$
- * Copyright:   (c) 2003 Universität Karlsruhe
- * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ * 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.
  */
 
+/**
+ * @file
+ * @brief    Representation of and static computations on target machine
+ *           values -- private header.
+ * @date     2003
+ * @author   Mathias Heil
+ * @version  $Id$
+ */
+#ifndef FIRM_TV_TV_T_H
+#define FIRM_TV_TV_T_H
 
+#include "firm_config.h"
 
-#ifndef _TV_T_H_
-#define _TV_T_H_
-
+#include <assert.h>
+#include "irmode.h"
 #include "tv.h"
 
+/** Debugging aid for the firmEvaluator: Marks for reserved tarvals values. */
+enum reserved_id {
+  resid_tarval_bad       = 1,  /**< tarval_bad marker. */
+  resid_tarval_undefined = 2,  /**< tarval_undefined marker. */
+  resid_tarval_b_false   = 3,  /**< tarval_b_false marker. */
+  resid_tarval_b_true    = 4   /**< tarval_b_true marker. */
+};
+
+/**
+ * Initialization of the tarval module.
+ *
+ * Call before init_mode().
+ *
+ * @param null_value  The reference mode NULL value, typical 0l
+ */
+void init_tarval_1(long null_value);
+
 /**
- * This struct represents the aforementioned tarvals.
+ * Initialization of the tarval module.
+ *
+ * Call after init_mode().
+ */
+void init_tarval_2(void);
+
+/**
+ * Free all memory occupied by the tarval module.
+ */
+void finish_tarval(void);
+
+/**
+ * This struct represents the afore mentioned tarvals.
  *
  * A tarval struct consists of an internal representation of the
  * value and some additional fields further describing the value.
@@ -32,12 +77,47 @@
  *   irmode.h for predefined modes
  */
 struct tarval {
-    ir_mode *mode; 		/**< the mode of the stored value */
-    const void *value; 		/**< the value stored in an internal way... */
-    unsigned int length; 	/**< the length of the stored value */
+  firm_kind kind;         /**< must be k_tarval */
+  ir_mode   *mode;        /**< the mode of the stored value */
+  const void *value;      /**< the value stored in an internal way... */
+  unsigned int length;    /**< the length of the stored value */
 };
 
-/** remove tarval representing an entity that is about to be destroyed */
-void free_tarval_entity(entity *ent);
+/* inline functions */
+/*
+ * Access routines for tarval fields ========================================
+ */
+static INLINE ir_mode *
+_get_tarval_mode(const tarval *tv) {
+  assert(tv);
+  return tv->mode;
+}
+
+static INLINE tarval *
+_get_tarval_bad(void) {
+  return tarval_bad;
+}
+
+static INLINE tarval *
+_get_tarval_undefined(void) {
+  return tarval_undefined;
+}
+
+static INLINE tarval *
+_get_tarval_b_false(void) {
+  return tarval_b_false;
+}
+
+static INLINE tarval *
+_get_tarval_b_true(void) {
+  return tarval_b_true;
+}
+
+#define get_tarval_mode(tv)     _get_tarval_mode(tv)
+#define get_tarval_bad()        _get_tarval_bad()
+#define get_tarval_undefined()  _get_tarval_undefined()
+#define get_tarval_b_false()    _get_tarval_b_false()
+#define get_tarval_b_true()     _get_tarval_b_true()
+#define get_tarval_P_void()     _get_tarval_P_void()
 
-#endif /* _TV_T_H_ */
+#endif /* FIRM_TV_TV_T_H */