… | |
… | |
551 | #endif |
551 | #endif |
552 | #endif |
552 | #endif |
553 | |
553 | |
554 | /* work around x32 idiocy by defining proper macros */ |
554 | /* work around x32 idiocy by defining proper macros */ |
555 | #if __x86_64 || _M_AMD64 |
555 | #if __x86_64 || _M_AMD64 |
556 | #if __ILP32 |
556 | #if _ILP32 |
557 | #define ECB_AMD64_X32 1 |
557 | #define ECB_AMD64_X32 1 |
558 | #else |
558 | #else |
559 | #define ECB_AMD64 1 |
559 | #define ECB_AMD64 1 |
560 | #endif |
560 | #endif |
561 | #endif |
561 | #endif |
… | |
… | |
627 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
627 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
628 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
628 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
629 | #elif defined __s390__ || defined __s390x__ |
629 | #elif defined __s390__ || defined __s390x__ |
630 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
630 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
631 | #elif defined __mips__ |
631 | #elif defined __mips__ |
632 | /* GNU/Linux emulates sync on mips1 architectures, so we force it's use */ |
632 | /* GNU/Linux emulates sync on mips1 architectures, so we force its use */ |
633 | /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */ |
633 | /* anybody else who still uses mips1 is supposed to send in their version, with detection code. */ |
634 | #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory") |
634 | #define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory") |
635 | #elif defined __alpha__ |
635 | #elif defined __alpha__ |
636 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
636 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory") |
637 | #elif defined __hppa__ |
637 | #elif defined __hppa__ |
… | |
… | |
1067 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 |
1067 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 |
1068 | #define ECB_STDFP 1 |
1068 | #define ECB_STDFP 1 |
1069 | #include <string.h> /* for memcpy */ |
1069 | #include <string.h> /* for memcpy */ |
1070 | #else |
1070 | #else |
1071 | #define ECB_STDFP 0 |
1071 | #define ECB_STDFP 0 |
1072 | #include <math.h> /* for frexp*, ldexp* */ |
|
|
1073 | #endif |
1072 | #endif |
1074 | |
1073 | |
1075 | #ifndef ECB_NO_LIBM |
1074 | #ifndef ECB_NO_LIBM |
|
|
1075 | |
|
|
1076 | #include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */ |
|
|
1077 | |
|
|
1078 | #ifdef NEN |
|
|
1079 | #define ECB_NAN NAN |
|
|
1080 | #else |
|
|
1081 | #define ECB_NAN INFINITY |
|
|
1082 | #endif |
|
|
1083 | |
|
|
1084 | /* converts an ieee half/binary16 to a float */ |
|
|
1085 | ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const; |
|
|
1086 | ecb_function_ float |
|
|
1087 | ecb_binary16_to_float (uint16_t x) |
|
|
1088 | { |
|
|
1089 | int e = (x >> 10) & 0x1f; |
|
|
1090 | int m = x & 0x3ff; |
|
|
1091 | float r; |
|
|
1092 | |
|
|
1093 | if (!e ) r = ldexpf (m , -24); |
|
|
1094 | else if (e != 31) r = ldexpf (m + 0x400, e - 25); |
|
|
1095 | else if (m ) r = ECB_NAN; |
|
|
1096 | else r = INFINITY; |
|
|
1097 | |
|
|
1098 | return x & 0x8000 ? -r : r; |
|
|
1099 | } |
1076 | |
1100 | |
1077 | /* convert a float to ieee single/binary32 */ |
1101 | /* convert a float to ieee single/binary32 */ |
1078 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
1102 | ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; |
1079 | ecb_function_ uint32_t |
1103 | ecb_function_ uint32_t |
1080 | ecb_float_to_binary32 (float x) |
1104 | ecb_float_to_binary32 (float x) |