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Comparing libecb/ecb.h (file contents):
Revision 1.76 by root, Wed Jan 25 20:23:12 2012 UTC vs.
Revision 1.82 by root, Fri Mar 23 19:05:22 2012 UTC

… …
66/*****************************************************************************/ 66/*****************************************************************************/
67 67
68/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ 68/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
69/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ 69/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
70 70
71#if ECB_NO_THREADS
72# define ECB_NO_SMP 1
73#endif
74
71#if ECB_NO_THREADS || ECB_NO_SMP 75#if ECB_NO_THREADS || ECB_NO_SMP
72 #define ECB_MEMORY_FENCE do { } while (0) 76 #define ECB_MEMORY_FENCE do { } while (0)
73#endif 77#endif
74 78
75#ifndef ECB_MEMORY_FENCE 79#ifndef ECB_MEMORY_FENCE
76 #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 80 #if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
77 #if __i386 || __i386__ 81 #if __i386 || __i386__
78 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 82 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
79 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */ 83 #define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */
80 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */ 84 #define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
81 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ 85 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__
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90 #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \ 94 #elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \
91 || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ ) 95 || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )
92 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 96 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
93 #elif __sparc || __sparc__ 97 #elif __sparc || __sparc__
94 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory") 98 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")
95 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") 99 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
96 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") 100 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
101 #elif defined(__s390__) || defined(__s390x__)
102 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
103 #elif defined(__mips__)
104 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
97 #endif 105 #endif
98 #endif 106 #endif
99#endif 107#endif
100 108
101#ifndef ECB_MEMORY_FENCE 109#ifndef ECB_MEMORY_FENCE
… …
114 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 122 #elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
115 #include <mbarrier.h> 123 #include <mbarrier.h>
116 #define ECB_MEMORY_FENCE __machine_rw_barrier () 124 #define ECB_MEMORY_FENCE __machine_rw_barrier ()
117 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier () 125 #define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
118 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier () 126 #define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
127 #elif __xlC__
128 #define ECB_MEMORY_FENCE __lwsync ()
119 #endif 129 #endif
120#endif 130#endif
121 131
122#ifndef ECB_MEMORY_FENCE 132#ifndef ECB_MEMORY_FENCE
123 #if !ECB_AVOID_PTHREADS 133 #if !ECB_AVOID_PTHREADS

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