/*
- * 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.
*
irm_T, /**< tuple */
irm_ANY, /**< undefined mode */
irm_BAD, /**< bad mode */
- irm_max /**< maximum value for modecode */
-} modecode;
+ irm_max /**< maximum value for ir_modecode */
+} ir_modecode;
/** These values represent the different mode classes of value representations.
*/
Integer computations can be performed. */
irms_float_number, /**< A mode to represent float numbers.
Floating point computations can be performed. */
- irms_reference, /**< A mode to represent entities.
+ irms_reference /**< A mode to represent entities.
Restricted int computations can be performed */
-} mode_sort;
+} ir_mode_sort;
/** These values represent the different arithmetic operations possible with a mode.
Further arithmetics can be defined, e.g., for @@@ modes.
according to @@@ which standards??? Only legal for modes of
sort float_number. */
irma_max
-} mode_arithmetic;
+} ir_mode_arithmetic;
/* ********** Constructor for user defined modes **************** */
* Creates a new mode.
*
* @param name the name of the mode to be created
- * @param sort the mode_sort of the mode to be created
+ * @param sort the ir_mode_sort of the mode to be created
* @param bit_size number of bits this mode allocate
* @param sign non-zero if this is a signed mode
* @param arithmetic arithmetic operations possible with a mode
* It is allowed to construct the default modes. So, a call
* new_ir_mode("Is", irms_int_number, 32, 1, irma_twos_complement, 32) will return mode_Is.
*/
-ir_mode *new_ir_mode(const char *name, mode_sort sort, int bit_size, int sign, mode_arithmetic arithmetic, unsigned int modulo_shift);
+ir_mode *new_ir_mode(const char *name, ir_mode_sort sort, int bit_size, int sign,
+ ir_mode_arithmetic arithmetic, unsigned int modulo_shift);
/**
* Creates a new vector mode.
*
* @param name the name of the mode to be created
- * @param sort the mode_sort of the mode to be created
+ * @param sort the ir_mode_sort of the mode to be created
* @param bit_size number of bits for one element of this mode
* @param num_of_elem number of elements in this vector mode
* @param sign non-zero if this is a signed mode
* @return
* The new mode or NULL on error.
*/
-ir_mode *new_ir_vector_mode(const char *name, mode_sort sort, int bit_size, unsigned num_of_elem, int sign,
- mode_arithmetic arithmetic, unsigned int modulo_shift);
+ir_mode *new_ir_vector_mode(const char *name, ir_mode_sort sort, int bit_size, unsigned num_of_elem, int sign,
+ ir_mode_arithmetic arithmetic, unsigned int modulo_shift);
/**
* Checks whether a pointer points to a mode.
/* ********** Access methods to read mode information *********** */
/** Returns the classification of the mode */
-modecode get_mode_modecode(const ir_mode *mode);
+ir_modecode get_mode_modecode(const ir_mode *mode);
/** Returns the ident* of the mode */
ident *get_mode_ident(const ir_mode *mode);
const char *get_mode_name(const ir_mode *mode);
/** Returns a coarse classification of the mode. */
-mode_sort get_mode_sort(const ir_mode *mode);
+ir_mode_sort get_mode_sort(const ir_mode *mode);
/** Returns the size of values of the mode in bits. */
-int get_mode_size_bits(const ir_mode *mode);
+unsigned get_mode_size_bits(const ir_mode *mode);
/** Returns the size of values of the mode in bytes.
* If the size is not dividable by 8 returns -1. */
-int get_mode_size_bytes(const ir_mode *mode);
+unsigned get_mode_size_bytes(const ir_mode *mode);
/** Returns the signess of a mode.
*
int get_mode_sign(const ir_mode *mode);
/** Returns the arithmetic of a mode */
-mode_arithmetic get_mode_arithmetic(const ir_mode *mode);
+ir_mode_arithmetic get_mode_arithmetic(const ir_mode *mode);
/** Get the modulo shift attribute.
*
*/
tarval *get_mode_minus_one(ir_mode *mode);
+/**
+ * Returns the value where all bits are One, represented in this mode.
+ *
+ * All One is defined only for modes integer, reference and boolean modes
+ */
+tarval *get_mode_all_one(ir_mode *mode);
+
/**
* Returns the positive infinite value of a mode.
*
*/
void set_modeP_data(ir_mode *p);
+/*@{*/
/**
- Functions to check, whether a modecode is signed, float, int, character,
+ Functions to check, whether a ir_modecode is signed, float, int, character,
reference, num, data, datab or dataM.
For more exact definitions read the corresponding pages
Vector "int" and "float" are defined by the arithmetic and vector_elem > 1.
*/
-/*@}*/
/* Test for a certain class of modes. */
int mode_is_signed (const ir_mode *mode);
int mode_is_float (const ir_mode *mode);
int mode_is_dataM (const ir_mode *mode);
int mode_is_float_vector (const ir_mode *mode);
int mode_is_int_vector (const ir_mode *mode);
+/*@}*/
/** Returns true if sm can be converted to lm without loss
according to firm definition */