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Add generic implementation of __bswap64
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@ -197,4 +197,20 @@ le64enc(void *pp, uint64_t u)
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le32enc(p + 4, u >> 32);
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}
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/*
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* In FreeBSD, this can be CPU specific but most targets use this
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* implementation.
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*
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* This is from the powerpc implementation.
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*/
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static __inline uint64_t
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__bswap64(uint64_t _x)
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{
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return ((_x >> 56) | ((_x >> 40) & 0xff00) | ((_x >> 24) & 0xff0000) |
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((_x >> 8) & 0xff000000) | ((_x << 8) & ((__uint64_t)0xff << 32)) |
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((_x << 24) & ((__uint64_t)0xff << 40)) |
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((_x << 40) & ((__uint64_t)0xff << 48)) | ((_x << 56)));
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}
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#endif /* _SYS_ENDIAN_HH_ */
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