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Diffstat (limited to 'softfloat/milieu.h')
-rw-r--r-- | softfloat/milieu.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/softfloat/milieu.h b/softfloat/milieu.h new file mode 100644 index 0000000..ab3d371 --- /dev/null +++ b/softfloat/milieu.h @@ -0,0 +1,68 @@ + +/*---------------------------------------------------------------------------- +| One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined. +*----------------------------------------------------------------------------*/ +#define BIGENDIAN + +/*---------------------------------------------------------------------------- +| The macro `BITS64' can be defined to indicate that 64-bit integer types are +| supported by the compiler. +*----------------------------------------------------------------------------*/ +#define BITS64 + +/*---------------------------------------------------------------------------- +| Each of the following `typedef's defines the most convenient type that holds +| integers of at least as many bits as specified. For example, `uint8' should +| be the most convenient type that can hold unsigned integers of as many as +| 8 bits. The `flag' type must be able to hold either a 0 or 1. For most +| implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed +| to the same as `int'. +*----------------------------------------------------------------------------*/ +typedef int flag; +typedef int uint8; +typedef int int8; +typedef int uint16; +typedef int int16; +typedef unsigned int uint32; +typedef signed int int32; +#ifdef BITS64 +typedef unsigned long long int uint64; +typedef signed long long int int64; +#endif + +/*---------------------------------------------------------------------------- +| Each of the following `typedef's defines a type that holds integers +| of _exactly_ the number of bits specified. For instance, for most +| implementation of C, `bits16' and `sbits16' should be `typedef'ed to +| `unsigned short int' and `signed short int' (or `short int'), respectively. +*----------------------------------------------------------------------------*/ +typedef unsigned char bits8; +typedef signed char sbits8; +typedef unsigned short int bits16; +typedef signed short int sbits16; +typedef unsigned int bits32; +typedef signed int sbits32; +#ifdef BITS64 +typedef unsigned long long int bits64; +typedef signed long long int sbits64; +#endif + +#ifdef BITS64 +/*---------------------------------------------------------------------------- +| The `LIT64' macro takes as its argument a textual integer literal and +| if necessary ``marks'' the literal as having a 64-bit integer type. +| For example, the GNU C Compiler (`gcc') requires that 64-bit literals be +| appended with the letters `LL' standing for `long long', which is `gcc's +| name for the 64-bit integer type. Some compilers may allow `LIT64' to be +| defined as the identity macro: `#define LIT64( a ) a'. +*----------------------------------------------------------------------------*/ +#define LIT64( a ) a##LL +#endif + +/*---------------------------------------------------------------------------- +| The macro `INLINE' can be used before functions that should be inlined. If +| a compiler does not support explicit inlining, this macro should be defined +| to be `static'. +*----------------------------------------------------------------------------*/ +#define INLINE extern inline + |