/*
- * 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 _TV_T_H_
-#define _TV_T_H_
+#ifndef FIRM_TV_TV_T_H
+#define FIRM_TV_TV_T_H
-#include "firm_config.h"
+#include "firm_common.h"
#include <assert.h>
-#include "entity.h"
#include "irmode.h"
#include "tv.h"
-/* debugging aid */
+/** Debugging aid for the firmEvaluator: Marks for reserved tarvals values. */
enum reserved_id {
- resid_tarval_bad = 1,
- resid_tarval_undefined = 2,
- resid_tarval_b_false = 3,
- resid_tarval_b_true = 4
+ 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. */
+ resid_tarval_unreachable = 5, /**< tarval_unreachable marker. */
+ resid_tarval_reachable = 6 /**< tarval_reachable marker. */
};
/**
*
* Call before init_mode().
*
- * @param null_value The reference mode NULL value, typical 0l
+ * @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);
+void init_tarval_1(long null_value, int support_quad_precision);
/**
* Initialization of the tarval module.
* 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 */
+ 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 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_bad(void) {
- return tarval_bad;
+static inline tarval *_get_tarval_b_true(void)
+{
+ return tarval_b_true;
}
-static INLINE tarval *
-_get_tarval_undefined(void) {
- return tarval_undefined;
+static inline tarval *_get_tarval_reachable(void)
+{
+ return tarval_reachable;
}
-static INLINE tarval *
-_get_tarval_b_false(void) {
- return tarval_b_false;
+static inline tarval *_get_tarval_unreachable(void)
+{
+ return tarval_unreachable;
}
-static INLINE tarval *
-_get_tarval_b_true(void) {
- return tarval_b_true;
+static inline int _is_tarval(const void *thing)
+{
+ return get_kind(thing) == k_tarval;
}
-#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()
+#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_unreachable() _get_tarval_unreachable()
+#define get_tarval_reachable() _get_tarval_reachable()
+#define is_tarval(thing) _is_tarval(thing)
-#endif /* _TV_T_H_ */
+#endif /* FIRM_TV_TV_T_H */
projects / libfirm / blobdiff