dp-arm | 75b6057 | 2017-05-04 12:12:06 +0100 | [diff] [blame] | 1 | /* ===-- int_lib.h - configuration header for compiler-rt -----------------=== |
| 2 | * |
| 3 | * The LLVM Compiler Infrastructure |
| 4 | * |
| 5 | * This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | * Source Licenses. See LICENSE.TXT for details. |
| 7 | * |
| 8 | * ===----------------------------------------------------------------------=== |
| 9 | * |
| 10 | * This file is not part of the interface of this library. |
| 11 | * |
| 12 | * This file defines various standard types, most importantly a number of unions |
| 13 | * used to access parts of larger types. |
| 14 | * |
| 15 | * ===----------------------------------------------------------------------=== |
| 16 | */ |
| 17 | |
| 18 | #ifndef INT_TYPES_H |
| 19 | #define INT_TYPES_H |
| 20 | |
| 21 | #include "int_endianness.h" |
| 22 | |
| 23 | /* si_int is defined in Linux sysroot's asm-generic/siginfo.h */ |
| 24 | #ifdef si_int |
| 25 | #undef si_int |
| 26 | #endif |
| 27 | typedef int si_int; |
| 28 | typedef unsigned su_int; |
| 29 | |
| 30 | typedef long long di_int; |
| 31 | typedef unsigned long long du_int; |
| 32 | |
| 33 | typedef union |
| 34 | { |
| 35 | di_int all; |
| 36 | struct |
| 37 | { |
| 38 | #if _YUGA_LITTLE_ENDIAN |
| 39 | su_int low; |
| 40 | si_int high; |
| 41 | #else |
| 42 | si_int high; |
| 43 | su_int low; |
| 44 | #endif /* _YUGA_LITTLE_ENDIAN */ |
| 45 | }s; |
| 46 | } dwords; |
| 47 | |
| 48 | typedef union |
| 49 | { |
| 50 | du_int all; |
| 51 | struct |
| 52 | { |
| 53 | #if _YUGA_LITTLE_ENDIAN |
| 54 | su_int low; |
| 55 | su_int high; |
| 56 | #else |
| 57 | su_int high; |
| 58 | su_int low; |
| 59 | #endif /* _YUGA_LITTLE_ENDIAN */ |
| 60 | }s; |
| 61 | } udwords; |
| 62 | |
| 63 | /* MIPS64 issue: PR 20098 */ |
| 64 | #if (defined(__LP64__) || defined(__wasm__)) && \ |
| 65 | !(defined(__mips__) && defined(__clang__)) |
| 66 | #define CRT_HAS_128BIT |
| 67 | #endif |
| 68 | |
| 69 | #ifdef CRT_HAS_128BIT |
| 70 | typedef int ti_int __attribute__ ((mode (TI))); |
| 71 | typedef unsigned tu_int __attribute__ ((mode (TI))); |
| 72 | |
| 73 | typedef union |
| 74 | { |
| 75 | ti_int all; |
| 76 | struct |
| 77 | { |
| 78 | #if _YUGA_LITTLE_ENDIAN |
| 79 | du_int low; |
| 80 | di_int high; |
| 81 | #else |
| 82 | di_int high; |
| 83 | du_int low; |
| 84 | #endif /* _YUGA_LITTLE_ENDIAN */ |
| 85 | }s; |
| 86 | } twords; |
| 87 | |
| 88 | typedef union |
| 89 | { |
| 90 | tu_int all; |
| 91 | struct |
| 92 | { |
| 93 | #if _YUGA_LITTLE_ENDIAN |
| 94 | du_int low; |
| 95 | du_int high; |
| 96 | #else |
| 97 | du_int high; |
| 98 | du_int low; |
| 99 | #endif /* _YUGA_LITTLE_ENDIAN */ |
| 100 | }s; |
| 101 | } utwords; |
| 102 | |
| 103 | static __inline ti_int make_ti(di_int h, di_int l) { |
| 104 | twords r; |
| 105 | r.s.high = h; |
| 106 | r.s.low = l; |
| 107 | return r.all; |
| 108 | } |
| 109 | |
| 110 | static __inline tu_int make_tu(du_int h, du_int l) { |
| 111 | utwords r; |
| 112 | r.s.high = h; |
| 113 | r.s.low = l; |
| 114 | return r.all; |
| 115 | } |
| 116 | |
| 117 | #endif /* CRT_HAS_128BIT */ |
| 118 | |
| 119 | typedef union |
| 120 | { |
| 121 | su_int u; |
| 122 | float f; |
| 123 | } float_bits; |
| 124 | |
| 125 | typedef union |
| 126 | { |
| 127 | udwords u; |
| 128 | double f; |
| 129 | } double_bits; |
| 130 | |
| 131 | typedef struct |
| 132 | { |
| 133 | #if _YUGA_LITTLE_ENDIAN |
| 134 | udwords low; |
| 135 | udwords high; |
| 136 | #else |
| 137 | udwords high; |
| 138 | udwords low; |
| 139 | #endif /* _YUGA_LITTLE_ENDIAN */ |
| 140 | } uqwords; |
| 141 | |
| 142 | typedef union |
| 143 | { |
| 144 | uqwords u; |
| 145 | long double f; |
| 146 | } long_double_bits; |
| 147 | |
| 148 | #if __STDC_VERSION__ >= 199901L |
| 149 | typedef float _Complex Fcomplex; |
| 150 | typedef double _Complex Dcomplex; |
| 151 | typedef long double _Complex Lcomplex; |
| 152 | |
| 153 | #define COMPLEX_REAL(x) __real__(x) |
| 154 | #define COMPLEX_IMAGINARY(x) __imag__(x) |
| 155 | #else |
| 156 | typedef struct { float real, imaginary; } Fcomplex; |
| 157 | |
| 158 | typedef struct { double real, imaginary; } Dcomplex; |
| 159 | |
| 160 | typedef struct { long double real, imaginary; } Lcomplex; |
| 161 | |
| 162 | #define COMPLEX_REAL(x) (x).real |
| 163 | #define COMPLEX_IMAGINARY(x) (x).imaginary |
| 164 | #endif |
| 165 | #endif /* INT_TYPES_H */ |
| 166 | |