1 #ifndef _MACHINE_IEEE_H_ 2 #define _MACHINE_IEEE_H_ 3 #include <sys/types.h> 4 #include <sys/cdefs.h> 5 #include <machine/ieeefp.h> 6 #include <float.h> 7 8 #if LDBL_MANT_DIG == 24 9 #define EXT_IMPLICIT_NBIT 10 #define EXT_TO_ARRAY32(p, a) do { \ 11 (a)[0] = (p)->ext_frac; \ 12 } while (0) 13 #ifdef __IEEE_LITTLE_ENDIAN 14 struct ieee_ext { 15 uint32_t ext_frac:23; 16 uint32_t ext_exp:8; 17 uint32_t ext_sign:1; 18 }; 19 #endif 20 #ifdef __IEEE_BIG_ENDIAN 21 struct ieee_ext { 22 #ifndef ___IEEE_BYTES_LITTLE_ENDIAN 23 uint32_t ext_sign:1; 24 uint32_t ext_exp:8; 25 uint32_t ext_frac:23; 26 #else /* ARMEL without __VFP_FP__ */ 27 uint32_t ext_frac:23; 28 uint32_t ext_exp:8; 29 uint32_t ext_sign:1; 30 #endif 31 }; 32 #endif 33 #elif LDBL_MANT_DIG == 53 34 #define EXT_IMPLICIT_NBIT 35 #define EXT_TO_ARRAY32(p, a) do { \ 36 (a)[0] = (p)->ext_fracl; \ 37 (a)[1] = (p)->ext_frach; \ 38 } while (0) 39 #ifdef __IEEE_LITTLE_ENDIAN 40 struct ieee_ext { 41 uint32_t ext_fracl; 42 uint32_t ext_frach:20; 43 uint32_t ext_exp:11; 44 uint32_t ext_sign:1; 45 }; 46 #endif 47 #ifdef __IEEE_BIG_ENDIAN 48 struct ieee_ext { 49 #ifndef ___IEEE_BYTES_LITTLE_ENDIAN 50 uint32_t ext_sign:1; 51 uint32_t ext_exp:11; 52 uint32_t ext_frach:20; 53 #else /* ARMEL without __VFP_FP__ */ 54 uint32_t ext_frach:20; 55 uint32_t ext_exp:11; 56 uint32_t ext_sign:1; 57 #endif 58 uint32_t ext_fracl; 59 }; 60 #endif 61 #elif LDBL_MANT_DIG == 64 62 #define EXT_TO_ARRAY32(p, a) do { \ 63 (a)[0] = (p)->ext_fracl; \ 64 (a)[1] = (p)->ext_frach; \ 65 } while (0) 66 #ifdef __IEEE_LITTLE_ENDIAN /* for Intel CPU */ 67 struct ieee_ext { 68 uint32_t ext_fracl; 69 uint32_t ext_frach; 70 uint32_t ext_exp:15; 71 uint32_t ext_sign:1; 72 uint32_t ext_padl:16; 73 uint32_t ext_padh; 74 }; 75 #endif 76 #ifdef __IEEE_BIG_ENDIAN 77 struct ieee_ext { 78 #ifndef ___IEEE_BYTES_LITTLE_ENDIAN /* for m68k */ 79 uint32_t ext_sign:1; 80 uint32_t ext_exp:15; 81 uint32_t ext_pad:16; 82 #else /* ARM FPA10 math coprocessor */ 83 uint32_t ext_exp:15; 84 uint32_t ext_pad:16; 85 uint32_t ext_sign:1; 86 #endif 87 uint32_t ext_frach; 88 uint32_t ext_fracl; 89 }; 90 #endif 91 #elif LDBL_MANT_DIG == 113 92 #define EXT_IMPLICIT_NBIT 93 #define EXT_TO_ARRAY32(p, a) do { \ 94 (a)[0] = (p)->ext_fracl; \ 95 (a)[1] = (p)->ext_fraclm; \ 96 (a)[2] = (p)->ext_frachm; \ 97 (a)[3] = (p)->ext_frach; \ 98 } while (0) 99 #ifdef __IEEE_LITTLE_ENDIAN 100 struct ieee_ext { 101 uint32_t ext_fracl; 102 uint32_t ext_fraclm; 103 uint32_t ext_frachm; 104 uint32_t ext_frach:16; 105 uint32_t ext_exp:15; 106 uint32_t ext_sign:1; 107 }; 108 #endif 109 #ifdef __IEEE_BIG_ENDIAN 110 struct ieee_ext { 111 #ifndef ___IEEE_BYTES_LITTLE_ENDIAN 112 uint32_t ext_sign:1; 113 uint32_t ext_exp:15; 114 uint32_t ext_frach:16; 115 #else /* ARMEL without __VFP_FP__ */ 116 uint32_t ext_frach:16; 117 uint32_t ext_exp:15; 118 uint32_t ext_sign:1; 119 #endif 120 uint32_t ext_frachm; 121 uint32_t ext_fraclm; 122 uint32_t ext_fracl; 123 }; 124 #endif 125 #endif 126 127 #endif /* _MACHINE_IEEE_H_ */ 128
