xref: /minix3/lib/libc/arch/or1k/softfloat/or1k-gcc.h (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1*0a6a1f1dSLionel Sambuc /*	$NetBSD: or1k-gcc.h,v 1.1 2014/09/03 19:34:26 matt Exp $	*/
2*0a6a1f1dSLionel Sambuc 
3*0a6a1f1dSLionel Sambuc /*
4*0a6a1f1dSLionel Sambuc -------------------------------------------------------------------------------
5*0a6a1f1dSLionel Sambuc One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined.
6*0a6a1f1dSLionel Sambuc -------------------------------------------------------------------------------
7*0a6a1f1dSLionel Sambuc */
8*0a6a1f1dSLionel Sambuc #include <machine/endian.h>
9*0a6a1f1dSLionel Sambuc #if _BYTE_ORDER == _BIG_ENDIAN
10*0a6a1f1dSLionel Sambuc #define BIGENDIAN
11*0a6a1f1dSLionel Sambuc #endif
12*0a6a1f1dSLionel Sambuc #if _BYTE_ORDER == _LITTLE_ENDIAN
13*0a6a1f1dSLionel Sambuc #define LITTLEENDIAN
14*0a6a1f1dSLionel Sambuc #endif
15*0a6a1f1dSLionel Sambuc 
16*0a6a1f1dSLionel Sambuc /*
17*0a6a1f1dSLionel Sambuc -------------------------------------------------------------------------------
18*0a6a1f1dSLionel Sambuc The macro `BITS64' can be defined to indicate that 64-bit integer types are
19*0a6a1f1dSLionel Sambuc supported by the compiler.
20*0a6a1f1dSLionel Sambuc -------------------------------------------------------------------------------
21*0a6a1f1dSLionel Sambuc */
22*0a6a1f1dSLionel Sambuc #define BITS64
23*0a6a1f1dSLionel Sambuc 
24*0a6a1f1dSLionel Sambuc /*
25*0a6a1f1dSLionel Sambuc -------------------------------------------------------------------------------
26*0a6a1f1dSLionel Sambuc Each of the following `typedef's defines the most convenient type that holds
27*0a6a1f1dSLionel Sambuc integers of at least as many bits as specified.  For example, `uint8' should
28*0a6a1f1dSLionel Sambuc be the most convenient type that can hold unsigned integers of as many as
29*0a6a1f1dSLionel Sambuc 8 bits.  The `flag' type must be able to hold either a 0 or 1.  For most
30*0a6a1f1dSLionel Sambuc implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
31*0a6a1f1dSLionel Sambuc to the same as `int'.
32*0a6a1f1dSLionel Sambuc -------------------------------------------------------------------------------
33*0a6a1f1dSLionel Sambuc */
34*0a6a1f1dSLionel Sambuc typedef int flag;
35*0a6a1f1dSLionel Sambuc typedef int uint8;
36*0a6a1f1dSLionel Sambuc typedef int int8;
37*0a6a1f1dSLionel Sambuc typedef int uint16;
38*0a6a1f1dSLionel Sambuc typedef int int16;
39*0a6a1f1dSLionel Sambuc typedef unsigned int uint32;
40*0a6a1f1dSLionel Sambuc typedef signed int int32;
41*0a6a1f1dSLionel Sambuc #ifdef BITS64
42*0a6a1f1dSLionel Sambuc typedef unsigned long long int uint64;
43*0a6a1f1dSLionel Sambuc typedef signed long long int int64;
44*0a6a1f1dSLionel Sambuc #endif
45*0a6a1f1dSLionel Sambuc 
46*0a6a1f1dSLionel Sambuc /*
47*0a6a1f1dSLionel Sambuc -------------------------------------------------------------------------------
48*0a6a1f1dSLionel Sambuc Each of the following `typedef's defines a type that holds integers
49*0a6a1f1dSLionel Sambuc of _exactly_ the number of bits specified.  For instance, for most
50*0a6a1f1dSLionel Sambuc implementation of C, `bits16' and `sbits16' should be `typedef'ed to
51*0a6a1f1dSLionel Sambuc `unsigned short int' and `signed short int' (or `short int'), respectively.
52*0a6a1f1dSLionel Sambuc -------------------------------------------------------------------------------
53*0a6a1f1dSLionel Sambuc */
54*0a6a1f1dSLionel Sambuc typedef unsigned char bits8;
55*0a6a1f1dSLionel Sambuc typedef signed char sbits8;
56*0a6a1f1dSLionel Sambuc typedef unsigned short int bits16;
57*0a6a1f1dSLionel Sambuc typedef signed short int sbits16;
58*0a6a1f1dSLionel Sambuc typedef unsigned int bits32;
59*0a6a1f1dSLionel Sambuc typedef signed int sbits32;
60*0a6a1f1dSLionel Sambuc #ifdef BITS64
61*0a6a1f1dSLionel Sambuc typedef unsigned long long int bits64;
62*0a6a1f1dSLionel Sambuc typedef signed long long int sbits64;
63*0a6a1f1dSLionel Sambuc #endif
64*0a6a1f1dSLionel Sambuc 
65*0a6a1f1dSLionel Sambuc #ifdef BITS64
66*0a6a1f1dSLionel Sambuc /*
67*0a6a1f1dSLionel Sambuc -------------------------------------------------------------------------------
68*0a6a1f1dSLionel Sambuc The `LIT64' macro takes as its argument a textual integer literal and
69*0a6a1f1dSLionel Sambuc if necessary ``marks'' the literal as having a 64-bit integer type.
70*0a6a1f1dSLionel Sambuc For example, the GNU C Compiler (`gcc') requires that 64-bit literals be
71*0a6a1f1dSLionel Sambuc appended with the letters `LL' standing for `long long', which is `gcc's
72*0a6a1f1dSLionel Sambuc name for the 64-bit integer type.  Some compilers may allow `LIT64' to be
73*0a6a1f1dSLionel Sambuc defined as the identity macro:  `#define LIT64( a ) a'.
74*0a6a1f1dSLionel Sambuc -------------------------------------------------------------------------------
75*0a6a1f1dSLionel Sambuc */
76*0a6a1f1dSLionel Sambuc #define LIT64( a ) a##LL
77*0a6a1f1dSLionel Sambuc #endif
78*0a6a1f1dSLionel Sambuc 
79*0a6a1f1dSLionel Sambuc /*
80*0a6a1f1dSLionel Sambuc -------------------------------------------------------------------------------
81*0a6a1f1dSLionel Sambuc The macro `INLINE' can be used before functions that should be inlined.  If
82*0a6a1f1dSLionel Sambuc a compiler does not support explicit inlining, this macro should be defined
83*0a6a1f1dSLionel Sambuc to be `static'.
84*0a6a1f1dSLionel Sambuc -------------------------------------------------------------------------------
85*0a6a1f1dSLionel Sambuc */
86*0a6a1f1dSLionel Sambuc #define INLINE static inline
87*0a6a1f1dSLionel Sambuc 
88*0a6a1f1dSLionel Sambuc #define FLOAT64_DEMANGLE(a)	(a)
89*0a6a1f1dSLionel Sambuc #define FLOAT64_MANGLE(a)	(a)
90