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