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(__mips__) && defined(__clang__)) 65 #define CRT_HAS_128BIT 66 #endif 67 68 #ifdef CRT_HAS_128BIT 69 typedef int ti_int __attribute__ ((mode (TI))); 70 typedef unsigned tu_int __attribute__ ((mode (TI))); 71 72 typedef union 73 { 74 ti_int all; 75 struct 76 { 77 #if _YUGA_LITTLE_ENDIAN 78 du_int low; 79 di_int high; 80 #else 81 di_int high; 82 du_int low; 83 #endif /* _YUGA_LITTLE_ENDIAN */ 84 }s; 85 } twords; 86 87 typedef union 88 { 89 tu_int all; 90 struct 91 { 92 #if _YUGA_LITTLE_ENDIAN 93 du_int low; 94 du_int high; 95 #else 96 du_int high; 97 du_int low; 98 #endif /* _YUGA_LITTLE_ENDIAN */ 99 }s; 100 } utwords; 101 102 static __inline ti_int make_ti(di_int h, di_int l) { 103 twords r; 104 r.s.high = h; 105 r.s.low = l; 106 return r.all; 107 } 108 109 static __inline tu_int make_tu(du_int h, du_int l) { 110 utwords r; 111 r.s.high = h; 112 r.s.low = l; 113 return r.all; 114 } 115 116 #endif /* CRT_HAS_128BIT */ 117 118 typedef union 119 { 120 su_int u; 121 float f; 122 } float_bits; 123 124 typedef union 125 { 126 udwords u; 127 double f; 128 } double_bits; 129 130 typedef struct 131 { 132 #if _YUGA_LITTLE_ENDIAN 133 udwords low; 134 udwords high; 135 #else 136 udwords high; 137 udwords low; 138 #endif /* _YUGA_LITTLE_ENDIAN */ 139 } uqwords; 140 141 typedef union 142 { 143 uqwords u; 144 long double f; 145 } long_double_bits; 146 147 #if __STDC_VERSION__ >= 199901L 148 typedef float _Complex Fcomplex; 149 typedef double _Complex Dcomplex; 150 typedef long double _Complex Lcomplex; 151 152 #define COMPLEX_REAL(x) __real__(x) 153 #define COMPLEX_IMAGINARY(x) __imag__(x) 154 #else 155 typedef struct { float real, imaginary; } Fcomplex; 156 157 typedef struct { double real, imaginary; } Dcomplex; 158 159 typedef struct { long double real, imaginary; } Lcomplex; 160 161 #define COMPLEX_REAL(x) (x).real 162 #define COMPLEX_IMAGINARY(x) (x).imaginary 163 #endif 164 #endif /* INT_TYPES_H */ 165 166
