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… | |
| 541 | #if ECB_NO_THREADS || ECB_NO_SMP |
541 | #if ECB_NO_THREADS || ECB_NO_SMP |
| 542 | #define ECB_MEMORY_FENCE do { } while (0) |
542 | #define ECB_MEMORY_FENCE do { } while (0) |
| 543 | #endif |
543 | #endif |
| 544 | |
544 | |
| 545 | #ifndef ECB_MEMORY_FENCE |
545 | #ifndef ECB_MEMORY_FENCE |
| 546 | #if ECB_GCC_VERSION(2,5) |
546 | #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__) |
| 547 | #if __i386__ |
547 | #if __i386__ |
| 548 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
548 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") |
| 549 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
549 | #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ |
| 550 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
550 | #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ |
| 551 | #elif __amd64 |
551 | #elif __amd64 |
| … | |
… | |
| 563 | #endif |
563 | #endif |
| 564 | #endif |
564 | #endif |
| 565 | #endif |
565 | #endif |
| 566 | |
566 | |
| 567 | #ifndef ECB_MEMORY_FENCE |
567 | #ifndef ECB_MEMORY_FENCE |
| 568 | #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) |
568 | #if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__) |
| 569 | #define ECB_MEMORY_FENCE __sync_synchronize () |
569 | #define ECB_MEMORY_FENCE __sync_synchronize () |
| 570 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
570 | /*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */ |
| 571 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
571 | /*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */ |
| 572 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
572 | #elif _MSC_VER >= 1400 /* VC++ 2005 */ |
| 573 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
573 | #pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier) |
| … | |
… | |
| 841 | |
841 | |
| 842 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
842 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
| 843 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
843 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
| 844 | #else |
844 | #else |
| 845 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
845 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
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846 | #endif |
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847 | |
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|
848 | #if __cplusplus |
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849 | template<typename T> |
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850 | static inline T ecb_div_rd (T val, T div) |
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851 | { |
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852 | return val < 0 ? - ((-val + div - 1) / div) : (val ) / div; |
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853 | } |
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854 | template<typename T> |
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855 | static inline T ecb_div_ru (T val, T div) |
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856 | { |
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857 | return val < 0 ? - ((-val ) / div) : (val + div - 1) / div; |
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858 | } |
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859 | #else |
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860 | #define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div)) |
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|
861 | #define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div)) |
| 846 | #endif |
862 | #endif |
| 847 | |
863 | |
| 848 | #if ecb_cplusplus_does_not_suck |
864 | #if ecb_cplusplus_does_not_suck |
| 849 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
865 | /* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */ |
| 850 | template<typename T, int N> |
866 | template<typename T, int N> |
