/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
*/
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
const void *sc_get_buffer(void);
int sc_get_buffer_length(void);
-void sign_extend(char *calc_buffer, ir_mode *mode);
+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);
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_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.
+ *
+ * @param value the value
+ * @param len number of valid bits in the value
+ * @param byte_ofs the byte offset
+ */
unsigned char sc_sub_bits(const void *value, int len, unsigned byte_ofs);
/**