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48410c0406
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397c6c331f
20
ev.c
20
ev.c
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@ -560,8 +560,10 @@ struct signalfd_siginfo
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#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
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#elif __sparc || __sparc__
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#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")
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#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
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#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
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#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
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#elif defined(__s390__) || defined(__s390x__)
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#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
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#endif
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#endif
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#endif
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@ -856,25 +858,25 @@ ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (
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#define ecb_unreachable() __builtin_unreachable ()
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#else
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/* this seems to work fine, but gcc always emits a warning for it :/ */
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ecb_function_ void ecb_unreachable (void) ecb_noreturn;
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ecb_function_ void ecb_unreachable (void) { }
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ecb_inline void ecb_unreachable (void) ecb_noreturn;
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ecb_inline void ecb_unreachable (void) { }
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#endif
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/* try to tell the compiler that some condition is definitely true */
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#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
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ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;
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ecb_function_ unsigned char
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ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
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ecb_inline unsigned char
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ecb_byteorder_helper (void)
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{
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const uint32_t u = 0x11223344;
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return *(unsigned char *)&u;
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}
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ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;
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ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
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ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;
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ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
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ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
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ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
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ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
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ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
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#if ECB_GCC_VERSION(3,0) || ECB_C99
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#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
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