1 1.2 perry /* $NetBSD: sh3-gcc.h,v 1.2 2005/12/24 21:11:16 perry Exp $ */ 2 1.1 tsubai 3 1.1 tsubai /* 4 1.1 tsubai ------------------------------------------------------------------------------- 5 1.1 tsubai One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined. 6 1.1 tsubai ------------------------------------------------------------------------------- 7 1.1 tsubai */ 8 1.1 tsubai #include <machine/endian.h> 9 1.1 tsubai #if _BYTE_ORDER == _BIG_ENDIAN 10 1.1 tsubai #define BIGENDIAN 11 1.1 tsubai #endif 12 1.1 tsubai #if _BYTE_ORDER == _LITTLE_ENDIAN 13 1.1 tsubai #define LITTLEENDIAN 14 1.1 tsubai #endif 15 1.1 tsubai 16 1.1 tsubai /* 17 1.1 tsubai ------------------------------------------------------------------------------- 18 1.1 tsubai The macro `BITS64' can be defined to indicate that 64-bit integer types are 19 1.1 tsubai supported by the compiler. 20 1.1 tsubai ------------------------------------------------------------------------------- 21 1.1 tsubai */ 22 1.1 tsubai #define BITS64 23 1.1 tsubai 24 1.1 tsubai /* 25 1.1 tsubai ------------------------------------------------------------------------------- 26 1.1 tsubai Each of the following `typedef's defines the most convenient type that holds 27 1.1 tsubai integers of at least as many bits as specified. For example, `uint8' should 28 1.1 tsubai be the most convenient type that can hold unsigned integers of as many as 29 1.1 tsubai 8 bits. The `flag' type must be able to hold either a 0 or 1. For most 30 1.1 tsubai implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed 31 1.1 tsubai to the same as `int'. 32 1.1 tsubai ------------------------------------------------------------------------------- 33 1.1 tsubai */ 34 1.1 tsubai typedef int flag; 35 1.1 tsubai typedef unsigned char uint8; 36 1.1 tsubai typedef signed char int8; 37 1.1 tsubai typedef int uint16; 38 1.1 tsubai typedef int int16; 39 1.1 tsubai typedef unsigned int uint32; 40 1.1 tsubai typedef signed int int32; 41 1.1 tsubai #ifdef BITS64 42 1.1 tsubai typedef unsigned long long int uint64; 43 1.1 tsubai typedef signed long long int int64; 44 1.1 tsubai #endif 45 1.1 tsubai 46 1.1 tsubai /* 47 1.1 tsubai ------------------------------------------------------------------------------- 48 1.1 tsubai Each of the following `typedef's defines a type that holds integers 49 1.1 tsubai of _exactly_ the number of bits specified. For instance, for most 50 1.1 tsubai implementation of C, `bits16' and `sbits16' should be `typedef'ed to 51 1.1 tsubai `unsigned short int' and `signed short int' (or `short int'), respectively. 52 1.1 tsubai ------------------------------------------------------------------------------- 53 1.1 tsubai */ 54 1.1 tsubai typedef unsigned char bits8; 55 1.1 tsubai typedef signed char sbits8; 56 1.1 tsubai typedef unsigned short int bits16; 57 1.1 tsubai typedef signed short int sbits16; 58 1.1 tsubai typedef unsigned int bits32; 59 1.1 tsubai typedef signed int sbits32; 60 1.1 tsubai #ifdef BITS64 61 1.1 tsubai typedef unsigned long long int bits64; 62 1.1 tsubai typedef signed long long int sbits64; 63 1.1 tsubai #endif 64 1.1 tsubai 65 1.1 tsubai #ifdef BITS64 66 1.1 tsubai /* 67 1.1 tsubai ------------------------------------------------------------------------------- 68 1.1 tsubai The `LIT64' macro takes as its argument a textual integer literal and 69 1.1 tsubai if necessary ``marks'' the literal as having a 64-bit integer type. 70 1.1 tsubai For example, the GNU C Compiler (`gcc') requires that 64-bit literals be 71 1.1 tsubai appended with the letters `LL' standing for `long long', which is `gcc's 72 1.1 tsubai name for the 64-bit integer type. Some compilers may allow `LIT64' to be 73 1.1 tsubai defined as the identity macro: `#define LIT64( a ) a'. 74 1.1 tsubai ------------------------------------------------------------------------------- 75 1.1 tsubai */ 76 1.1 tsubai #define LIT64(a) a##LL 77 1.1 tsubai #endif 78 1.1 tsubai 79 1.1 tsubai /* 80 1.1 tsubai ------------------------------------------------------------------------------- 81 1.1 tsubai The macro `INLINE' can be used before functions that should be inlined. If 82 1.1 tsubai a compiler does not support explicit inlining, this macro should be defined 83 1.1 tsubai to be `static'. 84 1.1 tsubai ------------------------------------------------------------------------------- 85 1.1 tsubai */ 86 1.2 perry #define INLINE static inline 87 1.1 tsubai 88 1.1 tsubai #define FLOAT64_DEMANGLE(a) (a) 89 1.1 tsubai #define FLOAT64_MANGLE(a) (a) 90
Indexes created Mon Sep 22 10:09:38 GMT 2025