-/* Declarations for Target Values.
- Copyright (C) 1995, 1996 Christian von Roques */
-
-/**
-* @file tv_t.h
-*
-* @author Christian von Roques
-*/
-
-/* $Id$ */
-
+/*
+ * 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.
+ */
#ifndef _TV_T_H_
#define _TV_T_H_
+#include "firm_config.h"
+
+#include <assert.h>
+#include "entity.h"
+#include "irmode.h"
#include "tv.h"
-#include "xprintf.h"
-/****s* tv/tarval
+/**
+ * Initialization of the tarval module.
*
- * NAME
- * tarval
- * This struct represents the aforementioned tarvals.
+ * Call before init_mode().
*
- * DESCRIPTION
- * A tarval struct consists of an internal representation of the
- * value and some additional fields further describing the value.
+ * @param null_value The reference mode NULL value, typical 0l
+ */
+void init_tarval_1(long null_value);
+
+/**
+ * Initialization of the tarval module.
*
- * ATTRIBUTES
- * ir_mode *mode The mode of the stored value
- * void *value The internal representation
+ * 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.
*
- * SEE ALSO
- * irmode.h for predefined modes
+ * A tarval struct consists of an internal representation of the
+ * value and some additional fields further describing the value.
*
- ******/
-
+ * ATTRIBUTES:
+ * - ir_mode *mode The mode of the stored value
+ * - void *value The internal representation
+ *
+ * @sa
+ * irmode.h for predefined modes
+ */
struct tarval {
- ir_mode *mode; /* 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 */
};
-/* xfprint output */
-int tarval_print (XP_PAR1, const xprintf_info *, XP_PARN);
-
/** 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_ */