Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [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 | typedef int si_int; |
| 24 | typedef unsigned su_int; |
| 25 | |
| 26 | typedef long long di_int; |
| 27 | typedef unsigned long long du_int; |
| 28 | |
| 29 | typedef union |
| 30 | { |
| 31 | di_int all; |
| 32 | struct |
| 33 | { |
| 34 | #if _YUGA_LITTLE_ENDIAN |
| 35 | su_int low; |
| 36 | si_int high; |
| 37 | #else |
| 38 | si_int high; |
| 39 | su_int low; |
| 40 | #endif /* _YUGA_LITTLE_ENDIAN */ |
| 41 | }s; |
| 42 | } dwords; |
| 43 | |
| 44 | typedef union |
| 45 | { |
| 46 | du_int all; |
| 47 | struct |
| 48 | { |
| 49 | #if _YUGA_LITTLE_ENDIAN |
| 50 | su_int low; |
| 51 | su_int high; |
| 52 | #else |
| 53 | su_int high; |
| 54 | su_int low; |
| 55 | #endif /* _YUGA_LITTLE_ENDIAN */ |
| 56 | }s; |
| 57 | } udwords; |
| 58 | |
Petar Jovanovic | 80610d6 | 2014-12-18 01:21:33 +0000 | [diff] [blame] | 59 | /* MIPS64 issue: PR 20098 */ |
| 60 | #if defined(__LP64__) && !(defined(__mips__) && defined(__clang__)) |
Stephen Hines | 2d1fdb2 | 2014-05-28 23:58:16 -0700 | [diff] [blame] | 61 | #define CRT_HAS_128BIT |
| 62 | #endif |
| 63 | |
| 64 | #ifdef CRT_HAS_128BIT |
| 65 | typedef int ti_int __attribute__ ((mode (TI))); |
| 66 | typedef unsigned tu_int __attribute__ ((mode (TI))); |
| 67 | |
| 68 | typedef union |
| 69 | { |
| 70 | ti_int all; |
| 71 | struct |
| 72 | { |
| 73 | #if _YUGA_LITTLE_ENDIAN |
| 74 | du_int low; |
| 75 | di_int high; |
| 76 | #else |
| 77 | di_int high; |
| 78 | du_int low; |
| 79 | #endif /* _YUGA_LITTLE_ENDIAN */ |
| 80 | }s; |
| 81 | } twords; |
| 82 | |
| 83 | typedef union |
| 84 | { |
| 85 | tu_int all; |
| 86 | struct |
| 87 | { |
| 88 | #if _YUGA_LITTLE_ENDIAN |
| 89 | du_int low; |
| 90 | du_int high; |
| 91 | #else |
| 92 | du_int high; |
| 93 | du_int low; |
| 94 | #endif /* _YUGA_LITTLE_ENDIAN */ |
| 95 | }s; |
| 96 | } utwords; |
| 97 | |
| 98 | static inline ti_int make_ti(di_int h, di_int l) { |
| 99 | twords r; |
| 100 | r.s.high = h; |
| 101 | r.s.low = l; |
| 102 | return r.all; |
| 103 | } |
| 104 | |
| 105 | static inline tu_int make_tu(du_int h, du_int l) { |
| 106 | utwords r; |
| 107 | r.s.high = h; |
| 108 | r.s.low = l; |
| 109 | return r.all; |
| 110 | } |
| 111 | |
| 112 | #endif /* CRT_HAS_128BIT */ |
| 113 | |
| 114 | typedef union |
| 115 | { |
| 116 | su_int u; |
| 117 | float f; |
| 118 | } float_bits; |
| 119 | |
| 120 | typedef union |
| 121 | { |
| 122 | udwords u; |
| 123 | double f; |
| 124 | } double_bits; |
| 125 | |
| 126 | typedef struct |
| 127 | { |
| 128 | #if _YUGA_LITTLE_ENDIAN |
| 129 | udwords low; |
| 130 | udwords high; |
| 131 | #else |
| 132 | udwords high; |
| 133 | udwords low; |
| 134 | #endif /* _YUGA_LITTLE_ENDIAN */ |
| 135 | } uqwords; |
| 136 | |
| 137 | typedef union |
| 138 | { |
| 139 | uqwords u; |
| 140 | long double f; |
| 141 | } long_double_bits; |
| 142 | |
| 143 | #endif /* INT_TYPES_H */ |
| 144 | |