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Comparing libev/ev.c (file contents):
Revision 1.457 by root, Thu Sep 5 18:45:29 2013 UTC vs.
Revision 1.458 by root, Sun Oct 27 16:26:07 2013 UTC

… …
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)

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