+/**
+ * Initialization of the tarval module.
+ *
+ * Call before init_mode().
+ *
+ * @param null_value
+ * The reference mode NULL value, typical 0l
+ * @param support_quad_precision
+ * If non-zero, activate support for quad precision
+ */
+void init_tarval_1(long null_value, int support_quad_precision);
+
+/**
+ * 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.
+ *
+ * ATTRIBUTES:
+ * - ir_mode *mode The mode of the stored value
+ * - void *value The internal representation
+ *
+ * @sa
+ * irmode.h for predefined modes
+ */
+struct tarval {
+ 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 */
+};
+
+/* 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;
+}