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Comparing libev/ev.c (file contents):
Revision 1.466 by root, Tue Mar 25 19:26:42 2014 UTC vs.
Revision 1.476 by root, Fri May 1 17:23:34 2015 UTC

… …
43# include EV_CONFIG_H 43# include EV_CONFIG_H
44# else 44# else
45# include "config.h" 45# include "config.h"
46# endif 46# endif
47 47
48#if HAVE_FLOOR 48# if HAVE_FLOOR
49# ifndef EV_USE_FLOOR 49# ifndef EV_USE_FLOOR
50# define EV_USE_FLOOR 1 50# define EV_USE_FLOOR 1
51# endif
51# endif 52# endif
52#endif
53 53
54# if HAVE_CLOCK_SYSCALL 54# if HAVE_CLOCK_SYSCALL
55# ifndef EV_USE_CLOCK_SYSCALL 55# ifndef EV_USE_CLOCK_SYSCALL
56# define EV_USE_CLOCK_SYSCALL 1 56# define EV_USE_CLOCK_SYSCALL 1
57# ifndef EV_USE_REALTIME 57# ifndef EV_USE_REALTIME
… …
256# else 256# else
257# define EV_USE_CLOCK_SYSCALL 0 257# define EV_USE_CLOCK_SYSCALL 0
258# endif 258# endif
259#endif 259#endif
260 260
261#if !(_POSIX_TIMERS > 0)
262# ifndef EV_USE_MONOTONIC
263# define EV_USE_MONOTONIC 0
264# endif
265# ifndef EV_USE_REALTIME
266# define EV_USE_REALTIME 0
267# endif
268#endif
269
261#ifndef EV_USE_MONOTONIC 270#ifndef EV_USE_MONOTONIC
262# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0 271# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
263# define EV_USE_MONOTONIC EV_FEATURE_OS 272# define EV_USE_MONOTONIC EV_FEATURE_OS
264# else 273# else
265# define EV_USE_MONOTONIC 0 274# define EV_USE_MONOTONIC 0
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482/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */ 491/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
483/* ECB.H BEGIN */ 492/* ECB.H BEGIN */
484/* 493/*
485 * libecb - http://software.schmorp.de/pkg/libecb 494 * libecb - http://software.schmorp.de/pkg/libecb
486 * 495 *
487 * Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de> 496 * Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
488 * Copyright (©) 2011 Emanuele Giaquinta 497 * Copyright (©) 2011 Emanuele Giaquinta
489 * All rights reserved. 498 * All rights reserved.
490 * 499 *
491 * Redistribution and use in source and binary forms, with or without modifica- 500 * Redistribution and use in source and binary forms, with or without modifica-
492 * tion, are permitted provided that the following conditions are met: 501 * tion, are permitted provided that the following conditions are met:
… …
506 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 515 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
507 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 516 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
508 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- 517 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
509 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 518 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
510 * OF THE POSSIBILITY OF SUCH DAMAGE. 519 * OF THE POSSIBILITY OF SUCH DAMAGE.
520 *
521 * Alternatively, the contents of this file may be used under the terms of
522 * the GNU General Public License ("GPL") version 2 or any later version,
523 * in which case the provisions of the GPL are applicable instead of
524 * the above. If you wish to allow the use of your version of this file
525 * only under the terms of the GPL and not to allow others to use your
526 * version of this file under the BSD license, indicate your decision
527 * by deleting the provisions above and replace them with the notice
528 * and other provisions required by the GPL. If you do not delete the
529 * provisions above, a recipient may use your version of this file under
530 * either the BSD or the GPL.
511 */ 531 */
512 532
513#ifndef ECB_H 533#ifndef ECB_H
514#define ECB_H 534#define ECB_H
515 535
516/* 16 bits major, 16 bits minor */ 536/* 16 bits major, 16 bits minor */
517#define ECB_VERSION 0x00010003 537#define ECB_VERSION 0x00010004
518 538
519#ifdef _WIN32 539#ifdef _WIN32
520 typedef signed char int8_t; 540 typedef signed char int8_t;
521 typedef unsigned char uint8_t; 541 typedef unsigned char uint8_t;
522 typedef signed short int16_t; 542 typedef signed short int16_t;
… …
546 #else 566 #else
547 #define ECB_PTRSIZE 4 567 #define ECB_PTRSIZE 4
548 #endif 568 #endif
549#endif 569#endif
550 570
571#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
572#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
573
551/* work around x32 idiocy by defining proper macros */ 574/* work around x32 idiocy by defining proper macros */
552#if __amd64 || __x86_64 || _M_AMD64 || _M_X64 575#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
553 #if _ILP32 576 #if _ILP32
554 #define ECB_AMD64_X32 1 577 #define ECB_AMD64_X32 1
555 #else 578 #else
556 #define ECB_AMD64 1 579 #define ECB_AMD64 1
557 #endif 580 #endif
… …
562 * causing enormous grief in return for some better fake benchmark numbers. 585 * causing enormous grief in return for some better fake benchmark numbers.
563 * or so. 586 * or so.
564 * we try to detect these and simply assume they are not gcc - if they have 587 * we try to detect these and simply assume they are not gcc - if they have
565 * an issue with that they should have done it right in the first place. 588 * an issue with that they should have done it right in the first place.
566 */ 589 */
567#ifndef ECB_GCC_VERSION
568 #if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__ 590#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
569 #define ECB_GCC_VERSION(major,minor) 0 591 #define ECB_GCC_VERSION(major,minor) 0
570 #else 592#else
571 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) 593 #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
572 #endif 594#endif
595
596#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
597
598#if __clang__ && defined __has_builtin
599 #define ECB_CLANG_BUILTIN(x) __has_builtin (x)
600#else
601 #define ECB_CLANG_BUILTIN(x) 0
602#endif
603
604#if __clang__ && defined __has_extension
605 #define ECB_CLANG_EXTENSION(x) __has_extension (x)
606#else
607 #define ECB_CLANG_EXTENSION(x) 0
573#endif 608#endif
574 609
575#define ECB_CPP (__cplusplus+0) 610#define ECB_CPP (__cplusplus+0)
576#define ECB_CPP11 (__cplusplus >= 201103L) 611#define ECB_CPP11 (__cplusplus >= 201103L)
577 612
… …
607 642
608#if ECB_NO_SMP 643#if ECB_NO_SMP
609 #define ECB_MEMORY_FENCE do { } while (0) 644 #define ECB_MEMORY_FENCE do { } while (0)
610#endif 645#endif
611 646
647/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
648#if __xlC__ && ECB_CPP
649 #include <builtins.h>
650#endif
651
612#ifndef ECB_MEMORY_FENCE 652#ifndef ECB_MEMORY_FENCE
613 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 653 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
614 #if __i386 || __i386__ 654 #if __i386 || __i386__
615 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 655 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
616 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 656 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
617 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 657 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
618 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ 658 #elif ECB_GCC_AMD64
619 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 659 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
620 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 660 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
621 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 661 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
622 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 662 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
623 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 663 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
… …
661 /* see comment below (stdatomic.h) about the C11 memory model. */ 701 /* see comment below (stdatomic.h) about the C11 memory model. */
662 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST) 702 #define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
663 #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE) 703 #define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
664 #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE) 704 #define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
665 705
666 /* The __has_feature syntax from clang is so misdesigned that we cannot use it 706 #elif ECB_CLANG_EXTENSION(c_atomic)
667 * without risking compile time errors with other compilers. We *could*
668 * define our own ecb_clang_has_feature, but I just can't be bothered to work
669 * around this shit time and again.
670 * #elif defined __clang && __has_feature (cxx_atomic)
671 * // see comment below (stdatomic.h) about the C11 memory model. 707 /* see comment below (stdatomic.h) about the C11 memory model. */
672 * #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST) 708 #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
673 * #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE) 709 #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
674 * #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE) 710 #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
675 */
676 711
677 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__ 712 #elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
678 #define ECB_MEMORY_FENCE __sync_synchronize () 713 #define ECB_MEMORY_FENCE __sync_synchronize ()
679 #elif _MSC_VER >= 1500 /* VC++ 2008 */ 714 #elif _MSC_VER >= 1500 /* VC++ 2008 */
680 /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */ 715 /* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
… …
743 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE 778 #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
744#endif 779#endif
745 780
746/*****************************************************************************/ 781/*****************************************************************************/
747 782
748#if __cplusplus 783#if ECB_CPP
749 #define ecb_inline static inline 784 #define ecb_inline static inline
750#elif ECB_GCC_VERSION(2,5) 785#elif ECB_GCC_VERSION(2,5)
751 #define ecb_inline static __inline__ 786 #define ecb_inline static __inline__
752#elif ECB_C99 787#elif ECB_C99
753 #define ecb_inline static inline 788 #define ecb_inline static inline
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767 802
768#define ECB_CONCAT_(a, b) a ## b 803#define ECB_CONCAT_(a, b) a ## b
769#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) 804#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
770#define ECB_STRINGIFY_(a) # a 805#define ECB_STRINGIFY_(a) # a
771#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) 806#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
807#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
772 808
773#define ecb_function_ ecb_inline 809#define ecb_function_ ecb_inline
774 810
775#if ECB_GCC_VERSION(3,1) 811#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
776 #define ecb_attribute(attrlist) __attribute__(attrlist) 812 #define ecb_attribute(attrlist) __attribute__ (attrlist)
777 #define ecb_is_constant(expr) __builtin_constant_p (expr)
778 #define ecb_expect(expr,value) __builtin_expect ((expr),(value))
779 #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
780#else 813#else
781 #define ecb_attribute(attrlist) 814 #define ecb_attribute(attrlist)
815#endif
782 816
817#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
818 #define ecb_is_constant(expr) __builtin_constant_p (expr)
819#else
783 /* possible C11 impl for integral types 820 /* possible C11 impl for integral types
784 typedef struct ecb_is_constant_struct ecb_is_constant_struct; 821 typedef struct ecb_is_constant_struct ecb_is_constant_struct;
785 #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */ 822 #define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
786 823
787 #define ecb_is_constant(expr) 0 824 #define ecb_is_constant(expr) 0
825#endif
826
827#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
828 #define ecb_expect(expr,value) __builtin_expect ((expr),(value))
829#else
788 #define ecb_expect(expr,value) (expr) 830 #define ecb_expect(expr,value) (expr)
831#endif
832
833#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
834 #define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
835#else
789 #define ecb_prefetch(addr,rw,locality) 836 #define ecb_prefetch(addr,rw,locality)
790#endif 837#endif
791 838
792/* no emulation for ecb_decltype */ 839/* no emulation for ecb_decltype */
793#if ECB_GCC_VERSION(4,5) 840#if ECB_CPP11
841 // older implementations might have problems with decltype(x)::type, work around it
842 template<class T> struct ecb_decltype_t { typedef T type; };
794 #define ecb_decltype(x) __decltype(x) 843 #define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
795#elif ECB_GCC_VERSION(3,0) 844#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
796 #define ecb_decltype(x) __typeof(x) 845 #define ecb_decltype(x) __typeof__ (x)
797#endif 846#endif
798 847
848#if _MSC_VER >= 1300
849 #define ecb_deprecated __declspec (deprecated)
850#else
851 #define ecb_deprecated ecb_attribute ((__deprecated__))
852#endif
853
854#if _MSC_VER >= 1500
855 #define ecb_deprecated_message(msg) __declspec (deprecated (msg))
856#elif ECB_GCC_VERSION(4,5)
857 #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
858#else
859 #define ecb_deprecated_message(msg) ecb_deprecated
860#endif
861
862#if _MSC_VER >= 1400
863 #define ecb_noinline __declspec (noinline)
864#else
799#define ecb_noinline ecb_attribute ((__noinline__)) 865 #define ecb_noinline ecb_attribute ((__noinline__))
866#endif
867
800#define ecb_unused ecb_attribute ((__unused__)) 868#define ecb_unused ecb_attribute ((__unused__))
801#define ecb_const ecb_attribute ((__const__)) 869#define ecb_const ecb_attribute ((__const__))
802#define ecb_pure ecb_attribute ((__pure__)) 870#define ecb_pure ecb_attribute ((__pure__))
803 871
804#if ECB_C11 872#if ECB_C11 || __IBMC_NORETURN
873 /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
805 #define ecb_noreturn _Noreturn 874 #define ecb_noreturn _Noreturn
875#elif ECB_CPP11
876 #define ecb_noreturn [[noreturn]]
877#elif _MSC_VER >= 1200
878 /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
879 #define ecb_noreturn __declspec (noreturn)
806#else 880#else
807 #define ecb_noreturn ecb_attribute ((__noreturn__)) 881 #define ecb_noreturn ecb_attribute ((__noreturn__))
808#endif 882#endif
809 883
810#if ECB_GCC_VERSION(4,3) 884#if ECB_GCC_VERSION(4,3)
… …
825/* for compatibility to the rest of the world */ 899/* for compatibility to the rest of the world */
826#define ecb_likely(expr) ecb_expect_true (expr) 900#define ecb_likely(expr) ecb_expect_true (expr)
827#define ecb_unlikely(expr) ecb_expect_false (expr) 901#define ecb_unlikely(expr) ecb_expect_false (expr)
828 902
829/* count trailing zero bits and count # of one bits */ 903/* count trailing zero bits and count # of one bits */
830#if ECB_GCC_VERSION(3,4) 904#if ECB_GCC_VERSION(3,4) \
905 || (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
906 && ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
907 && ECB_CLANG_BUILTIN(__builtin_popcount))
831 /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */ 908 /* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
832 #define ecb_ld32(x) (__builtin_clz (x) ^ 31) 909 #define ecb_ld32(x) (__builtin_clz (x) ^ 31)
833 #define ecb_ld64(x) (__builtin_clzll (x) ^ 63) 910 #define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
834 #define ecb_ctz32(x) __builtin_ctz (x) 911 #define ecb_ctz32(x) __builtin_ctz (x)
835 #define ecb_ctz64(x) __builtin_ctzll (x) 912 #define ecb_ctz64(x) __builtin_ctzll (x)
836 #define ecb_popcount32(x) __builtin_popcount (x) 913 #define ecb_popcount32(x) __builtin_popcount (x)
837 /* no popcountll */ 914 /* no popcountll */
838#else 915#else
839 ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const; 916 ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
840 ecb_function_ int 917 ecb_function_ ecb_const int
841 ecb_ctz32 (uint32_t x) 918 ecb_ctz32 (uint32_t x)
842 { 919 {
843 int r = 0; 920 int r = 0;
844 921
845 x &= ~x + 1; /* this isolates the lowest bit */ 922 x &= ~x + 1; /* this isolates the lowest bit */
… …
859#endif 936#endif
860 937
861 return r; 938 return r;
862 } 939 }
863 940
864 ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const; 941 ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
865 ecb_function_ int 942 ecb_function_ ecb_const int
866 ecb_ctz64 (uint64_t x) 943 ecb_ctz64 (uint64_t x)
867 { 944 {
868 int shift = x & 0xffffffffU ? 0 : 32; 945 int shift = x & 0xffffffffU ? 0 : 32;
869 return ecb_ctz32 (x >> shift) + shift; 946 return ecb_ctz32 (x >> shift) + shift;
870 } 947 }
871 948
872 ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const; 949 ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
873 ecb_function_ int 950 ecb_function_ ecb_const int
874 ecb_popcount32 (uint32_t x) 951 ecb_popcount32 (uint32_t x)
875 { 952 {
876 x -= (x >> 1) & 0x55555555; 953 x -= (x >> 1) & 0x55555555;
877 x = ((x >> 2) & 0x33333333) + (x & 0x33333333); 954 x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
878 x = ((x >> 4) + x) & 0x0f0f0f0f; 955 x = ((x >> 4) + x) & 0x0f0f0f0f;
879 x *= 0x01010101; 956 x *= 0x01010101;
880 957
881 return x >> 24; 958 return x >> 24;
882 } 959 }
883 960
884 ecb_function_ int ecb_ld32 (uint32_t x) ecb_const; 961 ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
885 ecb_function_ int ecb_ld32 (uint32_t x) 962 ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
886 { 963 {
887 int r = 0; 964 int r = 0;
888 965
889 if (x >> 16) { x >>= 16; r += 16; } 966 if (x >> 16) { x >>= 16; r += 16; }
890 if (x >> 8) { x >>= 8; r += 8; } 967 if (x >> 8) { x >>= 8; r += 8; }
… …
893 if (x >> 1) { r += 1; } 970 if (x >> 1) { r += 1; }
894 971
895 return r; 972 return r;
896 } 973 }
897 974
898 ecb_function_ int ecb_ld64 (uint64_t x) ecb_const; 975 ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
899 ecb_function_ int ecb_ld64 (uint64_t x) 976 ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
900 { 977 {
901 int r = 0; 978 int r = 0;
902 979
903 if (x >> 32) { x >>= 32; r += 32; } 980 if (x >> 32) { x >>= 32; r += 32; }
904 981
905 return r + ecb_ld32 (x); 982 return r + ecb_ld32 (x);
906 } 983 }
907#endif 984#endif
908 985
909ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const; 986ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
910ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } 987ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
911ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const; 988ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
912ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); } 989ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
913 990
914ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const; 991ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
915ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) 992ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
916{ 993{
917 return ( (x * 0x0802U & 0x22110U) 994 return ( (x * 0x0802U & 0x22110U)
918 | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16; 995 | (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
919} 996}
920 997
921ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const; 998ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
922ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) 999ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
923{ 1000{
924 x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1); 1001 x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
925 x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2); 1002 x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
926 x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4); 1003 x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
927 x = ( x >> 8 ) | ( x << 8); 1004 x = ( x >> 8 ) | ( x << 8);
928 1005
929 return x; 1006 return x;
930} 1007}
931 1008
932ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const; 1009ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
933ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) 1010ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
934{ 1011{
935 x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1); 1012 x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
936 x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2); 1013 x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
937 x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4); 1014 x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
938 x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8); 1015 x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
… …
941 return x; 1018 return x;
942} 1019}
943 1020
944/* popcount64 is only available on 64 bit cpus as gcc builtin */ 1021/* popcount64 is only available on 64 bit cpus as gcc builtin */
945/* so for this version we are lazy */ 1022/* so for this version we are lazy */
946ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const; 1023ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
947ecb_function_ int 1024ecb_function_ ecb_const int
948ecb_popcount64 (uint64_t x) 1025ecb_popcount64 (uint64_t x)
949{ 1026{
950 return ecb_popcount32 (x) + ecb_popcount32 (x >> 32); 1027 return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
951} 1028}
952 1029
953ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const; 1030ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
954ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const; 1031ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
955ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const; 1032ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
956ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const; 1033ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
957ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const; 1034ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
958ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const; 1035ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
959ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const; 1036ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
960ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const; 1037ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
961 1038
962ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); } 1039ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
963ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); } 1040ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
964ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); } 1041ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
965ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); } 1042ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
966ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); } 1043ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
967ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } 1044ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
968ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } 1045ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
969ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } 1046ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
970 1047
971#if ECB_GCC_VERSION(4,3) 1048#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
1049 #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
1050 #define ecb_bswap16(x) __builtin_bswap16 (x)
1051 #else
972 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) 1052 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
1053 #endif
973 #define ecb_bswap32(x) __builtin_bswap32 (x) 1054 #define ecb_bswap32(x) __builtin_bswap32 (x)
974 #define ecb_bswap64(x) __builtin_bswap64 (x) 1055 #define ecb_bswap64(x) __builtin_bswap64 (x)
1056#elif _MSC_VER
1057 #include <stdlib.h>
1058 #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
1059 #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
1060 #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
975#else 1061#else
976 ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const; 1062 ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
977 ecb_function_ uint16_t 1063 ecb_function_ ecb_const uint16_t
978 ecb_bswap16 (uint16_t x) 1064 ecb_bswap16 (uint16_t x)
979 { 1065 {
980 return ecb_rotl16 (x, 8); 1066 return ecb_rotl16 (x, 8);
981 } 1067 }
982 1068
983 ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const; 1069 ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
984 ecb_function_ uint32_t 1070 ecb_function_ ecb_const uint32_t
985 ecb_bswap32 (uint32_t x) 1071 ecb_bswap32 (uint32_t x)
986 { 1072 {
987 return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16); 1073 return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
988 } 1074 }
989 1075
990 ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const; 1076 ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
991 ecb_function_ uint64_t 1077 ecb_function_ ecb_const uint64_t
992 ecb_bswap64 (uint64_t x) 1078 ecb_bswap64 (uint64_t x)
993 { 1079 {
994 return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32); 1080 return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
995 } 1081 }
996#endif 1082#endif
997 1083
998#if ECB_GCC_VERSION(4,5) 1084#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
999 #define ecb_unreachable() __builtin_unreachable () 1085 #define ecb_unreachable() __builtin_unreachable ()
1000#else 1086#else
1001 /* this seems to work fine, but gcc always emits a warning for it :/ */ 1087 /* this seems to work fine, but gcc always emits a warning for it :/ */
1002 ecb_inline void ecb_unreachable (void) ecb_noreturn; 1088 ecb_inline ecb_noreturn void ecb_unreachable (void);
1003 ecb_inline void ecb_unreachable (void) { } 1089 ecb_inline ecb_noreturn void ecb_unreachable (void) { }
1004#endif 1090#endif
1005 1091
1006/* try to tell the compiler that some condition is definitely true */ 1092/* try to tell the compiler that some condition is definitely true */
1007#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 1093#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1008 1094
1009ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const; 1095ecb_inline ecb_const unsigned char ecb_byteorder_helper (void);
1010ecb_inline unsigned char 1096ecb_inline ecb_const unsigned char
1011ecb_byteorder_helper (void) 1097ecb_byteorder_helper (void)
1012{ 1098{
1013 /* the union code still generates code under pressure in gcc, */ 1099 /* the union code still generates code under pressure in gcc, */
1014 /* but less than using pointers, and always seems to */ 1100 /* but less than using pointers, and always seems to */
1015 /* successfully return a constant. */ 1101 /* successfully return a constant. */
1016 /* the reason why we have this horrible preprocessor mess */ 1102 /* the reason why we have this horrible preprocessor mess */
1017 /* is to avoid it in all cases, at least on common architectures */ 1103 /* is to avoid it in all cases, at least on common architectures */
1018 /* or when using a recent enough gcc version (>= 4.6) */ 1104 /* or when using a recent enough gcc version (>= 4.6) */
1019#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64 1105#if ((__i386 || __i386__) && !__VOS__) || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64
1020 return 0x44; 1106 return 0x44;
1021#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 1107#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
1022 return 0x44; 1108 return 0x44;
1023#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 1109#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
1024 return 0x11; 1110 return 0x11;
… …
1030 } u = { 0x11223344 }; 1116 } u = { 0x11223344 };
1031 return u.c; 1117 return u.c;
1032#endif 1118#endif
1033} 1119}
1034 1120
1035ecb_inline ecb_bool ecb_big_endian (void) ecb_const; 1121ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1036ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } 1122ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
1037ecb_inline ecb_bool ecb_little_endian (void) ecb_const; 1123ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1038ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } 1124ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
1039 1125
1040#if ECB_GCC_VERSION(3,0) || ECB_C99 1126#if ECB_GCC_VERSION(3,0) || ECB_C99
1041 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) 1127 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1042#else 1128#else
1043 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) 1129 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1044#endif 1130#endif
1045 1131
1046#if __cplusplus 1132#if ECB_CPP
1047 template<typename T> 1133 template<typename T>
1048 static inline T ecb_div_rd (T val, T div) 1134 static inline T ecb_div_rd (T val, T div)
1049 { 1135 {
1050 return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; 1136 return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1051 } 1137 }
… …
1075 1161
1076/* basically, everything uses "ieee pure-endian" floating point numbers */ 1162/* basically, everything uses "ieee pure-endian" floating point numbers */
1077/* the only noteworthy exception is ancient armle, which uses order 43218765 */ 1163/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1078#if 0 \ 1164#if 0 \
1079 || __i386 || __i386__ \ 1165 || __i386 || __i386__ \
1080 || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ 1166 || ECB_GCC_AMD64 \
1081 || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ 1167 || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1082 || defined __s390__ || defined __s390x__ \ 1168 || defined __s390__ || defined __s390x__ \
1083 || defined __mips__ \ 1169 || defined __mips__ \
1084 || defined __alpha__ \ 1170 || defined __alpha__ \
1085 || defined __hppa__ \ 1171 || defined __hppa__ \
1086 || defined __ia64__ \ 1172 || defined __ia64__ \
1087 || defined __m68k__ \ 1173 || defined __m68k__ \
1088 || defined __m88k__ \ 1174 || defined __m88k__ \
1089 || defined __sh__ \ 1175 || defined __sh__ \
1090 || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \ 1176 || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
1091 || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ 1177 || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
1092 || defined __aarch64__ 1178 || defined __aarch64__
1093 #define ECB_STDFP 1 1179 #define ECB_STDFP 1
1094 #include <string.h> /* for memcpy */ 1180 #include <string.h> /* for memcpy */
1095#else 1181#else
… …
1111 #define ECB_NAN NAN 1197 #define ECB_NAN NAN
1112 #else 1198 #else
1113 #define ECB_NAN ECB_INFINITY 1199 #define ECB_NAN ECB_INFINITY
1114 #endif 1200 #endif
1115 1201
1202 #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1203 #define ecb_ldexpf(x,e) ldexpf ((x), (e))
1204 #define ecb_frexpf(x,e) frexpf ((x), (e))
1205 #else
1206 #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1207 #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1208 #endif
1209
1116 /* converts an ieee half/binary16 to a float */ 1210 /* converts an ieee half/binary16 to a float */
1117 ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const; 1211 ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
1118 ecb_function_ float 1212 ecb_function_ ecb_const float
1119 ecb_binary16_to_float (uint16_t x) 1213 ecb_binary16_to_float (uint16_t x)
1120 { 1214 {
1121 int e = (x >> 10) & 0x1f; 1215 int e = (x >> 10) & 0x1f;
1122 int m = x & 0x3ff; 1216 int m = x & 0x3ff;
1123 float r; 1217 float r;
1124 1218
1125 if (!e ) r = ldexpf (m , -24); 1219 if (!e ) r = ecb_ldexpf (m , -24);
1126 else if (e != 31) r = ldexpf (m + 0x400, e - 25); 1220 else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25);
1127 else if (m ) r = ECB_NAN; 1221 else if (m ) r = ECB_NAN;
1128 else r = ECB_INFINITY; 1222 else r = ECB_INFINITY;
1129 1223
1130 return x & 0x8000 ? -r : r; 1224 return x & 0x8000 ? -r : r;
1131 } 1225 }
1132 1226
1133 /* convert a float to ieee single/binary32 */ 1227 /* convert a float to ieee single/binary32 */
1134 ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const; 1228 ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1135 ecb_function_ uint32_t 1229 ecb_function_ ecb_const uint32_t
1136 ecb_float_to_binary32 (float x) 1230 ecb_float_to_binary32 (float x)
1137 { 1231 {
1138 uint32_t r; 1232 uint32_t r;
1139 1233
1140 #if ECB_STDFP 1234 #if ECB_STDFP
… …
1147 if (x == 0e0f ) return 0x00000000U; 1241 if (x == 0e0f ) return 0x00000000U;
1148 if (x > +3.40282346638528860e+38f) return 0x7f800000U; 1242 if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1149 if (x < -3.40282346638528860e+38f) return 0xff800000U; 1243 if (x < -3.40282346638528860e+38f) return 0xff800000U;
1150 if (x != x ) return 0x7fbfffffU; 1244 if (x != x ) return 0x7fbfffffU;
1151 1245
1152 m = frexpf (x, &e) * 0x1000000U; 1246 m = ecb_frexpf (x, &e) * 0x1000000U;
1153 1247
1154 r = m & 0x80000000U; 1248 r = m & 0x80000000U;
1155 1249
1156 if (r) 1250 if (r)
1157 m = -m; 1251 m = -m;
… …
1169 1263
1170 return r; 1264 return r;
1171 } 1265 }
1172 1266
1173 /* converts an ieee single/binary32 to a float */ 1267 /* converts an ieee single/binary32 to a float */
1174 ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const; 1268 ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1175 ecb_function_ float 1269 ecb_function_ ecb_const float
1176 ecb_binary32_to_float (uint32_t x) 1270 ecb_binary32_to_float (uint32_t x)
1177 { 1271 {
1178 float r; 1272 float r;
1179 1273
1180 #if ECB_STDFP 1274 #if ECB_STDFP
… …
1190 x |= 0x800000U; 1284 x |= 0x800000U;
1191 else 1285 else
1192 e = 1; 1286 e = 1;
1193 1287
1194 /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */ 1288 /* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1195 r = ldexpf (x * (0.5f / 0x800000U), e - 126); 1289 r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1196 1290
1197 r = neg ? -r : r; 1291 r = neg ? -r : r;
1198 #endif 1292 #endif
1199 1293
1200 return r; 1294 return r;
1201 } 1295 }
1202 1296
1203 /* convert a double to ieee double/binary64 */ 1297 /* convert a double to ieee double/binary64 */
1204 ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const; 1298 ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1205 ecb_function_ uint64_t 1299 ecb_function_ ecb_const uint64_t
1206 ecb_double_to_binary64 (double x) 1300 ecb_double_to_binary64 (double x)
1207 { 1301 {
1208 uint64_t r; 1302 uint64_t r;
1209 1303
1210 #if ECB_STDFP 1304 #if ECB_STDFP
… …
1239 1333
1240 return r; 1334 return r;
1241 } 1335 }
1242 1336
1243 /* converts an ieee double/binary64 to a double */ 1337 /* converts an ieee double/binary64 to a double */
1244 ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const; 1338 ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1245 ecb_function_ double 1339 ecb_function_ ecb_const double
1246 ecb_binary64_to_double (uint64_t x) 1340 ecb_binary64_to_double (uint64_t x)
1247 { 1341 {
1248 double r; 1342 double r;
1249 1343
1250 #if ECB_STDFP 1344 #if ECB_STDFP
… …
2586{ 2680{
2587 invoke_cb = invoke_pending_cb; 2681 invoke_cb = invoke_pending_cb;
2588} 2682}
2589 2683
2590void 2684void
2591ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW 2685ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2592{ 2686{
2593 release_cb = release; 2687 release_cb = release;
2594 acquire_cb = acquire; 2688 acquire_cb = acquire;
2595} 2689}
2596#endif 2690#endif

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