mips-gcc.h revision 1.5 1 1.5 matt /* $NetBSD: mips-gcc.h,v 1.5 2011/06/27 06:40:26 matt Exp $ */
2 1.2 matt
3 1.2 matt /*
4 1.2 matt -------------------------------------------------------------------------------
5 1.2 matt One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined.
6 1.2 matt -------------------------------------------------------------------------------
7 1.2 matt */
8 1.2 matt #ifdef __MIPSEB__
9 1.2 matt #define BIGENDIAN
10 1.2 matt #else
11 1.2 matt #define LITTLEENDIAN
12 1.2 matt #endif
13 1.2 matt
14 1.2 matt /*
15 1.2 matt -------------------------------------------------------------------------------
16 1.2 matt The macro `BITS64' can be defined to indicate that 64-bit integer types are
17 1.2 matt supported by the compiler.
18 1.2 matt -------------------------------------------------------------------------------
19 1.2 matt */
20 1.2 matt #define BITS64
21 1.2 matt
22 1.2 matt /*
23 1.2 matt -------------------------------------------------------------------------------
24 1.2 matt Each of the following `typedef's defines the most convenient type that holds
25 1.2 matt integers of at least as many bits as specified. For example, `uint8' should
26 1.2 matt be the most convenient type that can hold unsigned integers of as many as
27 1.2 matt 8 bits. The `flag' type must be able to hold either a 0 or 1. For most
28 1.2 matt implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
29 1.2 matt to the same as `int'.
30 1.2 matt -------------------------------------------------------------------------------
31 1.2 matt */
32 1.2 matt typedef int flag;
33 1.2 matt typedef int uint8;
34 1.2 matt typedef int int8;
35 1.2 matt typedef int uint16;
36 1.2 matt typedef int int16;
37 1.2 matt typedef unsigned int uint32;
38 1.2 matt typedef signed int int32;
39 1.2 matt #ifdef BITS64
40 1.2 matt typedef unsigned long long int uint64;
41 1.2 matt typedef signed long long int int64;
42 1.2 matt #endif
43 1.2 matt
44 1.2 matt /*
45 1.2 matt -------------------------------------------------------------------------------
46 1.2 matt Each of the following `typedef's defines a type that holds integers
47 1.2 matt of _exactly_ the number of bits specified. For instance, for most
48 1.2 matt implementation of C, `bits16' and `sbits16' should be `typedef'ed to
49 1.2 matt `unsigned short int' and `signed short int' (or `short int'), respectively.
50 1.2 matt -------------------------------------------------------------------------------
51 1.2 matt */
52 1.2 matt typedef unsigned char bits8;
53 1.2 matt typedef signed char sbits8;
54 1.2 matt typedef unsigned short int bits16;
55 1.2 matt typedef signed short int sbits16;
56 1.2 matt typedef unsigned int bits32;
57 1.2 matt typedef signed int sbits32;
58 1.2 matt #ifdef BITS64
59 1.2 matt typedef unsigned long long int bits64;
60 1.2 matt typedef signed long long int sbits64;
61 1.2 matt #endif
62 1.2 matt
63 1.2 matt #ifdef BITS64
64 1.2 matt /*
65 1.2 matt -------------------------------------------------------------------------------
66 1.2 matt The `LIT64' macro takes as its argument a textual integer literal and
67 1.2 matt if necessary ``marks'' the literal as having a 64-bit integer type.
68 1.2 matt For example, the GNU C Compiler (`gcc') requires that 64-bit literals be
69 1.2 matt appended with the letters `LL' standing for `long long', which is `gcc's
70 1.2 matt name for the 64-bit integer type. Some compilers may allow `LIT64' to be
71 1.2 matt defined as the identity macro: `#define LIT64( a ) a'.
72 1.2 matt -------------------------------------------------------------------------------
73 1.2 matt */
74 1.2 matt #define LIT64( a ) a##LL
75 1.2 matt #endif
76 1.2 matt
77 1.2 matt /*
78 1.2 matt -------------------------------------------------------------------------------
79 1.2 matt The macro `INLINE' can be used before functions that should be inlined. If
80 1.2 matt a compiler does not support explicit inlining, this macro should be defined
81 1.2 matt to be `static'.
82 1.2 matt -------------------------------------------------------------------------------
83 1.2 matt */
84 1.2 matt #define INLINE static inline
85 1.2 matt
86 1.2 matt /*
87 1.2 matt -------------------------------------------------------------------------------
88 1.3 pooka The MIPS FPA is odd in that it stores doubles high-order word first, no matter
89 1.2 matt what the endianness of the CPU. VFP is sane.
90 1.2 matt -------------------------------------------------------------------------------
91 1.2 matt */
92 1.2 matt #if defined(SOFTFLOAT_FOR_GCC)
93 1.4 pooka #define FLOAT64_DEMANGLE(a) (a)
94 1.4 pooka #define FLOAT64_MANGLE(a) (a)
95 1.2 matt #endif
96