/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
* @brief Provides basic mathematical operations on values represented as strings.
* @date 2003
* @author Mathias Heil
- * @version $Id$
- * @summary
+ * @brief
*
* The module uses a string to represent values, and provides operations
* to perform calculations with these values.
*/
void sc_and(const void *value1, const void *value2, void *buffer);
+/**
+ * buffer = value1 & ~value2
+ */
+void sc_andnot(const void *value1, const void *value2, void *buffer);
+
/**
* buffer = value1 | value2
*/
*/
void sc_mod(const void *value1, const void *value2, void *buffer);
+/**
+ * div_buffer = value1 / value2
+ * mod_buffer = value1 % value2
+ */
+void sc_divmod(const void *value1, const void *value2, void *div_buffer, void *mod_buffer);
+
+/**
+ * buffer = value1 << offset
+ */
+void sc_shlI(const void *val1, long shift_cnt, int bitsize, int sign, void *buffer);
+
/**
* buffer = value1 << value2
*/
-void sc_shl(const void *value1, const void *value2, int radius, int sign, void *buffer);
+void sc_shl(const void *value1, const void *value2, int bitsize, int sign, void *buffer);
+
+/**
+ * buffer = value1 >>u offset
+ */
+void sc_shrI(const void *val1, long shift_cnt, int bitsize, int sign, void *buffer);
/**
* buffer = value1 >>u value2
*/
-void sc_shr(const void *value1, const void *value2, int radius, int sign, void *buffer);
+void sc_shr(const void *value1, const void *value2, int bitsize, int sign, void *buffer);
/**
* buffer = value1 >>s value2
*/
-void sc_shrs(const void *value1, const void *value2, int radius, int sign, void *buffer);
+void sc_shrs(const void *value1, const void *value2, int bitsize, int sign, void *buffer);
/**
- * buffer = value1 <<>> value2
+ * buffer = value1 <<left>> value2
*/
-void sc_rot(const void *value1, const void *value2, int radius, int sign, void *buffer);
+void sc_rotl(const void *value1, const void *value2, int bitsize, int sign, void *buffer);
+
+/**
+ * buffer = 0
+ */
+void sc_zero(void *buffer);
/*
* function declarations
void sign_extend(void *buffer, ir_mode *mode);
-/** create an value form a string representation */
-void sc_val_from_str(const char *str, unsigned int len, void *buffer, ir_mode *mode);
+/**
+ * create an value form a string representation
+ * @return 1 if ok, 0 in case of parse error
+ */
+int sc_val_from_str(char sign, unsigned base, const char *str,
+ size_t len, void *buffer);
/** create a value from a long */
void sc_val_from_long(long l, void *buffer);
void sc_min_from_bits(unsigned int num_bits, unsigned int sign, void *buffer);
void sc_max_from_bits(unsigned int num_bits, unsigned int sign, void *buffer);
+/** truncates a value to lowest @p num_bits bits */
+void sc_truncate(unsigned num_bits, void *buffer);
+
/**
* Compares val1 and val2
*/
int sc_get_lowest_set_bit(const void *value);
int sc_is_zero(const void *value);
int sc_is_negative(const void *value);
-int sc_had_carry(void);
/**
* Return the bits of a tarval at a given byte-offset.
void finish_strcalc(void);
int sc_get_precision(void);
+/** Return the bit at a given position. */
+int sc_get_bit_at(const void *value, unsigned pos);
+
+/** Set the bit at the specified position. */
+void sc_set_bit_at(void *value, unsigned pos);
+
+/* Strange semantics */
+int sc_had_carry(void);
+
#endif /* FIRM_TV_STRCALC_H */