diff options
Diffstat (limited to 'src/systemc/ext/dt/int/sc_nbdefs.hh')
| -rw-r--r-- | src/systemc/ext/dt/int/sc_nbdefs.hh | 88 |
1 files changed, 67 insertions, 21 deletions
diff --git a/src/systemc/ext/dt/int/sc_nbdefs.hh b/src/systemc/ext/dt/int/sc_nbdefs.hh index 48d735adf..3854a9198 100644 --- a/src/systemc/ext/dt/int/sc_nbdefs.hh +++ b/src/systemc/ext/dt/int/sc_nbdefs.hh @@ -18,12 +18,52 @@ *****************************************************************************/ /***************************************************************************** + sc_nbdefs.h -- Top level header file for arbitrary precision signed/unsigned arithmetic. This file defines all the constants needed. + + Original Author: Ali Dasdan, Synopsys, Inc. + + *****************************************************************************/ + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: Torsten Maehne, Berner Fachhochschule, + 2016-09-24 + Description of Modification: Move constant definitions to the header so that + that their value is known at compile time. + *****************************************************************************/ -#ifndef __SYSTEMC_DT_SC_NBDEFS_H__ -#define __SYSTEMC_DT_SC_NBDEFS_H__ +// $Log: sc_nbdefs.h,v $ +// Revision 1.7 2011/02/18 20:19:15 acg +// Andy Goodrich: updating Copyright notice. +// +// Revision 1.6 2011/02/18 20:09:34 acg +// Philipp A. Hartmann: added alternative #define for Windows to guard. +// +// Revision 1.5 2011/01/20 16:52:20 acg +// Andy Goodrich: changes for IEEE 1666 2011. +// +// Revision 1.4 2010/02/08 18:35:55 acg +// Andy Goodrich: Philipp Hartmann's changes for Solaris and Linux 64. +// +// Revision 1.2 2009/05/22 16:06:29 acg +// Andy Goodrich: process control updates. +// +// Revision 1.1.1.1 2006/12/15 20:20:05 acg +// SystemC 2.3 +// +// Revision 1.3 2006/01/13 18:49:32 acg +// Added $Log command so that CVS check in comments are reproduced in the +// source. +// + +#ifndef __SYSTEMC_EXT_DT_INT_SC_NBDEFS_HH__ +#define __SYSTEMC_EXT_DT_INT_SC_NBDEFS_HH__ #include <stdint.h> @@ -77,8 +117,8 @@ typedef int small_type; #define LOG2_BITS_PER_BYTE 3 // Attributes of the unsigned long. These definitions are used mainly in -// the functions that are aware of the internal representation of digits, -// e.g., get/set_packed_rep(). +// the functions that are aware of the internal representation of +// digits, e.g., get/set_packed_rep(). #define BYTES_PER_DIGIT_TYPE 4 #define BITS_PER_DIGIT_TYPE 32 @@ -120,35 +160,41 @@ static const int MAX_NDIGITS = DIV_CEIL(SC_MAX_NBITS) + 2; // since the unsigned long data type varies in size between 32-bit and 64-bit // machines. -typedef unsigned int sc_digit; // 32-bit unsigned integer +typedef unsigned int sc_digit; // 32-bit unsigned integer // Support for the long long type. This type is not in the standard // but is usually supported by compilers. +#if defined(__x86_64__) || defined(__aarch64__) +typedef long long int64; +typedef unsigned long long uint64; +#else typedef int64_t int64; typedef uint64_t uint64; +#endif -static const uint64 UINT64_ZERO = 0ULL; -static const uint64 UINT64_ONE = 1ULL; +static const uint64 UINT64_ZERO = 0ULL; +static const uint64 UINT64_ONE = 1ULL; static const uint64 UINT64_32ONES = 0x00000000ffffffffULL; + // Bits per ... // will be deleted in the future. Use numeric_limits instead -#define BITS_PER_CHAR 8 -#define BITS_PER_INT (sizeof(int) * BITS_PER_CHAR) -#define BITS_PER_LONG (sizeof(long) * BITS_PER_CHAR) -#define BITS_PER_INT64 (sizeof(::sc_dt::int64) * BITS_PER_CHAR) -#define BITS_PER_UINT (sizeof(unsigned int) * BITS_PER_CHAR) -#define BITS_PER_ULONG (sizeof(unsigned long) * BITS_PER_CHAR) +#define BITS_PER_CHAR 8 +#define BITS_PER_INT (sizeof(int) * BITS_PER_CHAR) +#define BITS_PER_LONG (sizeof(long) * BITS_PER_CHAR) +#define BITS_PER_INT64 (sizeof(::sc_dt::int64) * BITS_PER_CHAR) +#define BITS_PER_UINT (sizeof(unsigned int) * BITS_PER_CHAR) +#define BITS_PER_ULONG (sizeof(unsigned long) * BITS_PER_CHAR) #define BITS_PER_UINT64 (sizeof(::sc_dt::uint64) * BITS_PER_CHAR) // Digits per ... -#define DIGITS_PER_CHAR 1 -#define DIGITS_PER_INT ((BITS_PER_INT+29)/30) -#define DIGITS_PER_LONG ((BITS_PER_LONG+29)/30) -#define DIGITS_PER_INT64 ((BITS_PER_INT64+29)/30) -#define DIGITS_PER_UINT ((BITS_PER_UINT+29)/30) -#define DIGITS_PER_ULONG ((BITS_PER_ULONG+29)/30) -#define DIGITS_PER_UINT64 ((BITS_PER_UINT64+29)/30) +#define DIGITS_PER_CHAR 1 +#define DIGITS_PER_INT ((BITS_PER_INT + 29) / 30) +#define DIGITS_PER_LONG ((BITS_PER_LONG + 29) / 30) +#define DIGITS_PER_INT64 ((BITS_PER_INT64 + 29) / 30) +#define DIGITS_PER_UINT ((BITS_PER_UINT + 29) / 30) +#define DIGITS_PER_ULONG ((BITS_PER_ULONG + 29) / 30) +#define DIGITS_PER_UINT64 ((BITS_PER_UINT64 + 29) / 30) // Above, BITS_PER_X is mainly used for sc_signed, and BITS_PER_UX is // mainly used for sc_unsigned. @@ -165,4 +211,4 @@ static const uint64 UINT_ONE = UINT64_ONE; } // namespace sc_dt -#endif +#endif // __SYSTEMC_EXT_DT_INT_SC_NBDEFS_HH__ |