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[/] [openrisc/] [trunk/] [or1ksim/] [softfloat/] [host.h] - Blame information for rev 234

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1 234 jeremybenn
 
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// To check endianness and if compiler supports 64-bit type (sizeof(long long))
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#include "config.h"
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/*----------------------------------------------------------------------------
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| One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined.
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*----------------------------------------------------------------------------*/
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#ifdef WORDS_BIGENDIAN
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# define BIGENDIAN
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#else
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# define LITTLEENDIAN
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#endif
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/*----------------------------------------------------------------------------
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| The macro `BITS64' can be defined to indicate that 64-bit integer types are
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| supported by the compiler.
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| Configure script should check sizeof long long at configure time.
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*----------------------------------------------------------------------------*/
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#if SIZEOF_LONG_LONG!=8
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# error Compiler does not appear to have 64-bit types. This is required for the SoftFloat library.
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#else
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#define BITS64
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#endif
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/*----------------------------------------------------------------------------
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| Each of the following `typedef's defines the most convenient type that holds
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| integers of at least as many bits as specified.  For example, `uint8' should
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| be the most convenient type that can hold unsigned integers of as many as
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| 8 bits.  The `flag' type must be able to hold either a 0 or 1.  For most
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| implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
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| to the same as `int'.
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*----------------------------------------------------------------------------*/
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typedef char flag;
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typedef unsigned char uint8;
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typedef signed char int8;
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typedef int uint16;
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typedef int int16;
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typedef unsigned int uint32;
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typedef signed int int32;
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#ifdef BITS64
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typedef unsigned long long int uint64;
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typedef signed long long int int64;
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#endif
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/*----------------------------------------------------------------------------
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| Each of the following `typedef's defines a type that holds integers
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| of _exactly_ the number of bits specified.  For instance, for most
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| implementation of C, `bits16' and `sbits16' should be `typedef'ed to
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| `unsigned short int' and `signed short int' (or `short int'), respectively.
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*----------------------------------------------------------------------------*/
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typedef unsigned char bits8;
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typedef signed char sbits8;
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typedef unsigned short int bits16;
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typedef signed short int sbits16;
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typedef unsigned int bits32;
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typedef signed int sbits32;
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#ifdef BITS64
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typedef unsigned long long int bits64;
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typedef signed long long int sbits64;
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#endif
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#ifdef BITS64
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/*----------------------------------------------------------------------------
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| The `LIT64' macro takes as its argument a textual integer literal and
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| if necessary ``marks'' the literal as having a 64-bit integer type.
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| For example, the GNU C Compiler (`gcc') requires that 64-bit literals be
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| appended with the letters `LL' standing for `long long', which is `gcc's
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| name for the 64-bit integer type.  Some compilers may allow `LIT64' to be
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| defined as the identity macro:  `#define LIT64( a ) a'.
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*----------------------------------------------------------------------------*/
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#define LIT64( a ) a##LL
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#endif
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/*----------------------------------------------------------------------------
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| The macro `INLINE' can be used before functions that should be inlined.  If
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| a compiler does not support explicit inlining, this macro should be defined
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| to be `static'.
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*----------------------------------------------------------------------------*/
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#define INLINE extern inline
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