Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/lib/libc/powerpc/softfloat/powerpc-gcc.h
39530 views
1
/* $NetBSD: arm-gcc.h,v 1.2 2001/02/21 18:09:25 bjh21 Exp $ */

2


3
/*

4
-------------------------------------------------------------------------------

5
One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined.

6
-------------------------------------------------------------------------------

7
*/

8
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__

9
#define LITTLEENDIAN

10
#else

11
#define BIGENDIAN

12
#endif

13


14
/*

15
-------------------------------------------------------------------------------

16
The macro `BITS64' can be defined to indicate that 64-bit integer types are

17
supported by the compiler.

18
-------------------------------------------------------------------------------

19
*/

20
#define BITS64

21


22
/*

23
-------------------------------------------------------------------------------

24
Each of the following `typedef's defines the most convenient type that holds

25
integers of at least as many bits as specified.  For example, `uint8' should

26
be the most convenient type that can hold unsigned integers of as many as

27
8 bits.  The `flag' type must be able to hold either a 0 or 1.  For most

28
implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed

29
to the same as `int'.

30
-------------------------------------------------------------------------------

31
*/

32
typedef int flag;

33
typedef unsigned int uint8;

34
typedef int int8;

35
typedef unsigned int uint16;

36
typedef int int16;

37
typedef unsigned int uint32;

38
typedef signed int int32;

39
#ifdef BITS64

40
typedef unsigned long long int uint64;

41
typedef signed long long int int64;

42
#endif

43


44
/*

45
-------------------------------------------------------------------------------

46
Each of the following `typedef's defines a type that holds integers

47
of _exactly_ the number of bits specified.  For instance, for most

48
implementation of C, `bits16' and `sbits16' should be `typedef'ed to

49
`unsigned short int' and `signed short int' (or `short int'), respectively.

50
-------------------------------------------------------------------------------

51
*/

52
typedef unsigned char bits8;

53
typedef signed char sbits8;

54
typedef unsigned short int bits16;

55
typedef signed short int sbits16;

56
typedef unsigned int bits32;

57
typedef signed int sbits32;

58
#ifdef BITS64

59
typedef unsigned long long int bits64;

60
typedef signed long long int sbits64;

61
#endif

62


63
#ifdef BITS64

64
/*

65
-------------------------------------------------------------------------------

66
The `LIT64' macro takes as its argument a textual integer literal and

67
if necessary ``marks'' the literal as having a 64-bit integer type.

68
For example, the GNU C Compiler (`gcc') requires that 64-bit literals be

69
appended with the letters `LL' standing for `long long', which is `gcc's

70
name for the 64-bit integer type.  Some compilers may allow `LIT64' to be

71
defined as the identity macro:  `#define LIT64( a ) a'.

72
-------------------------------------------------------------------------------

73
*/

74
#define LIT64( a ) a##LL

75
#endif

76


77
/*

78
-------------------------------------------------------------------------------

79
The macro `INLINE' can be used before functions that should be inlined.  If

80
a compiler does not support explicit inlining, this macro should be defined

81
to be `static'.

82
-------------------------------------------------------------------------------

83
*/

84
#define INLINE static __inline

85


86
/*

87
-------------------------------------------------------------------------------

88
The ARM FPA is odd in that it stores doubles high-order word first, no matter

89
what the endianness of the CPU.  VFP is sane.

90
-------------------------------------------------------------------------------

91
*/

92
#if defined(SOFTFLOAT_FOR_GCC)

93
#define FLOAT64_DEMANGLE(a)	(a)

94
#define FLOAT64_MANGLE(a)	(a)

95
#endif

96


97