… | |
… | |
74 | #else |
74 | #else |
75 | #define ECB_PTRSIZE 4 |
75 | #define ECB_PTRSIZE 4 |
76 | #endif |
76 | #endif |
77 | #endif |
77 | #endif |
78 | |
78 | |
|
|
79 | #define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__) |
|
|
80 | #define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64) |
|
|
81 | |
79 | /* work around x32 idiocy by defining proper macros */ |
82 | /* work around x32 idiocy by defining proper macros */ |
80 | #if __amd64 || __x86_64 || _M_AMD64 || _M_X64 |
83 | #if ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
81 | #if _ILP32 |
84 | #if _ILP32 |
82 | #define ECB_AMD64_X32 1 |
85 | #define ECB_AMD64_X32 1 |
83 | #else |
86 | #else |
84 | #define ECB_AMD64 1 |
87 | #define ECB_AMD64 1 |
85 | #endif |
88 | #endif |
… | |
… | |
147 | |
150 | |
148 | #if ECB_NO_SMP |
151 | #if ECB_NO_SMP |
149 | #define ECB_MEMORY_FENCE do { } while (0) |
152 | #define ECB_MEMORY_FENCE do { } while (0) |
150 | #endif |
153 | #endif |
151 | |
154 | |
|
|
155 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */ |
|
|
156 | #if __xlC__ && ECB_CPP |
|
|
157 | #include <builtins.h> |
|
|
158 | #endif |
|
|
159 | |
152 | #ifndef ECB_MEMORY_FENCE |
160 | #ifndef ECB_MEMORY_FENCE |
153 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
161 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
154 | #if __i386 || __i386__ |
162 | #if __i386 || __i386__ |
155 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
163 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
156 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
164 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
157 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
165 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
158 | #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ |
166 | #elif ECB_GCC_AMD64 |
159 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
167 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
160 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
168 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
161 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
169 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
162 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
170 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
163 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
171 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
… | |
… | |
302 | |
310 | |
303 | #define ECB_CONCAT_(a, b) a ## b |
311 | #define ECB_CONCAT_(a, b) a ## b |
304 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
312 | #define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) |
305 | #define ECB_STRINGIFY_(a) # a |
313 | #define ECB_STRINGIFY_(a) # a |
306 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
314 | #define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) |
|
|
315 | #define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr)) |
307 | |
316 | |
308 | #define ecb_function_ ecb_inline |
317 | #define ecb_function_ ecb_inline |
309 | |
318 | |
310 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
319 | #if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) |
311 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
320 | #define ecb_attribute(attrlist) __attribute__ (attrlist) |
… | |
… | |
348 | #define ecb_deprecated __declspec (deprecated) |
357 | #define ecb_deprecated __declspec (deprecated) |
349 | #else |
358 | #else |
350 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
359 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
351 | #endif |
360 | #endif |
352 | |
361 | |
|
|
362 | #if _MSC_VER >= 1500 |
|
|
363 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
|
|
364 | #elif ECB_GCC_VERSION(4,5) |
|
|
365 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
|
|
366 | #else |
|
|
367 | #define ecb_deprecated_message(msg) ecb_deprecated |
|
|
368 | #endif |
|
|
369 | |
|
|
370 | #if _MSC_VER >= 1400 |
|
|
371 | #define ecb_noinline __declspec (noinline) |
|
|
372 | #else |
353 | #define ecb_noinline ecb_attribute ((__noinline__)) |
373 | #define ecb_noinline ecb_attribute ((__noinline__)) |
|
|
374 | #endif |
|
|
375 | |
354 | #define ecb_unused ecb_attribute ((__unused__)) |
376 | #define ecb_unused ecb_attribute ((__unused__)) |
355 | #define ecb_const ecb_attribute ((__const__)) |
377 | #define ecb_const ecb_attribute ((__const__)) |
356 | #define ecb_pure ecb_attribute ((__pure__)) |
378 | #define ecb_pure ecb_attribute ((__pure__)) |
357 | |
379 | |
358 | /* TODO http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */ |
|
|
359 | #if ECB_C11 || __IBMC_NORETURN |
380 | #if ECB_C11 || __IBMC_NORETURN |
360 | /* http://pic.dhe.ibm.com/infocenter/compbg/v121v141/topic/com.ibm.xlcpp121.bg.doc/language_ref/noreturn.html */ |
381 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */ |
361 | #define ecb_noreturn _Noreturn |
382 | #define ecb_noreturn _Noreturn |
|
|
383 | #elif ECB_CPP11 |
|
|
384 | #define ecb_noreturn [[noreturn]] |
|
|
385 | #elif _MSC_VER >= 1200 |
|
|
386 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
|
|
387 | #define ecb_noreturn __declspec (noreturn) |
362 | #else |
388 | #else |
363 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
389 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
364 | #endif |
390 | #endif |
365 | |
391 | |
366 | #if ECB_GCC_VERSION(4,3) |
392 | #if ECB_GCC_VERSION(4,3) |
… | |
… | |
526 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
552 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
527 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
553 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
528 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
554 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
529 | |
555 | |
530 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
556 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
|
|
557 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
|
|
558 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
|
|
559 | #else |
531 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
560 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
561 | #endif |
532 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
562 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
533 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
563 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
564 | #elif _MSC_VER |
|
|
565 | #include <stdlib.h> |
|
|
566 | #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x))) |
|
|
567 | #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x))) |
|
|
568 | #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x))) |
534 | #else |
569 | #else |
535 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
570 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
536 | ecb_function_ ecb_const uint16_t |
571 | ecb_function_ ecb_const uint16_t |
537 | ecb_bswap16 (uint16_t x) |
572 | ecb_bswap16 (uint16_t x) |
538 | { |
573 | { |
… | |
… | |
573 | /* but less than using pointers, and always seems to */ |
608 | /* but less than using pointers, and always seems to */ |
574 | /* successfully return a constant. */ |
609 | /* successfully return a constant. */ |
575 | /* the reason why we have this horrible preprocessor mess */ |
610 | /* the reason why we have this horrible preprocessor mess */ |
576 | /* is to avoid it in all cases, at least on common architectures */ |
611 | /* is to avoid it in all cases, at least on common architectures */ |
577 | /* or when using a recent enough gcc version (>= 4.6) */ |
612 | /* or when using a recent enough gcc version (>= 4.6) */ |
578 | #if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 |
613 | #if ((__i386 || __i386__) && !__VOS__) || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
579 | return 0x44; |
614 | return 0x44; |
580 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
615 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
581 | return 0x44; |
616 | return 0x44; |
582 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
617 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
583 | return 0x11; |
618 | return 0x11; |
… | |
… | |
634 | |
669 | |
635 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
670 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
636 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
671 | /* the only noteworthy exception is ancient armle, which uses order 43218765 */ |
637 | #if 0 \ |
672 | #if 0 \ |
638 | || __i386 || __i386__ \ |
673 | || __i386 || __i386__ \ |
639 | || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ |
674 | || ECB_GCC_AMD64 \ |
640 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
675 | || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ |
641 | || defined __s390__ || defined __s390x__ \ |
676 | || defined __s390__ || defined __s390x__ \ |
642 | || defined __mips__ \ |
677 | || defined __mips__ \ |
643 | || defined __alpha__ \ |
678 | || defined __alpha__ \ |
644 | || defined __hppa__ \ |
679 | || defined __hppa__ \ |
645 | || defined __ia64__ \ |
680 | || defined __ia64__ \ |
646 | || defined __m68k__ \ |
681 | || defined __m68k__ \ |
647 | || defined __m88k__ \ |
682 | || defined __m88k__ \ |
648 | || defined __sh__ \ |
683 | || defined __sh__ \ |
649 | || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \ |
684 | || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \ |
650 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
685 | || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ |
651 | || defined __aarch64__ |
686 | || defined __aarch64__ |
652 | #define ECB_STDFP 1 |
687 | #define ECB_STDFP 1 |
653 | #include <string.h> /* for memcpy */ |
688 | #include <string.h> /* for memcpy */ |
654 | #else |
689 | #else |
… | |
… | |
672 | #define ECB_NAN ECB_INFINITY |
707 | #define ECB_NAN ECB_INFINITY |
673 | #endif |
708 | #endif |
674 | |
709 | |
675 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
710 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
676 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
711 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
|
|
712 | #define ecb_frexpf(x,e) frexpf ((x), (e)) |
677 | #else |
713 | #else |
678 | #define ecb_ldexpf(x,e) (float) ldexp ((x), (e)) |
714 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
|
|
715 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
679 | #endif |
716 | #endif |
680 | |
717 | |
681 | /* converts an ieee half/binary16 to a float */ |
718 | /* converts an ieee half/binary16 to a float */ |
682 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
719 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
683 | ecb_function_ ecb_const float |
720 | ecb_function_ ecb_const float |
… | |
… | |
712 | if (x == 0e0f ) return 0x00000000U; |
749 | if (x == 0e0f ) return 0x00000000U; |
713 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
750 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
714 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
751 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
715 | if (x != x ) return 0x7fbfffffU; |
752 | if (x != x ) return 0x7fbfffffU; |
716 | |
753 | |
717 | m = frexpf (x, &e) * 0x1000000U; |
754 | m = ecb_frexpf (x, &e) * 0x1000000U; |
718 | |
755 | |
719 | r = m & 0x80000000U; |
756 | r = m & 0x80000000U; |
720 | |
757 | |
721 | if (r) |
758 | if (r) |
722 | m = -m; |
759 | m = -m; |