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15 lines
643 B
Go
15 lines
643 B
Go
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// +build !go1.9
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package xxhash
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// TODO(caleb): After Go 1.10 comes out, remove this fallback code.
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func rol1(x uint64) uint64 { return (x << 1) | (x >> (64 - 1)) }
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func rol7(x uint64) uint64 { return (x << 7) | (x >> (64 - 7)) }
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func rol11(x uint64) uint64 { return (x << 11) | (x >> (64 - 11)) }
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func rol12(x uint64) uint64 { return (x << 12) | (x >> (64 - 12)) }
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func rol18(x uint64) uint64 { return (x << 18) | (x >> (64 - 18)) }
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func rol23(x uint64) uint64 { return (x << 23) | (x >> (64 - 23)) }
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func rol27(x uint64) uint64 { return (x << 27) | (x >> (64 - 27)) }
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func rol31(x uint64) uint64 { return (x << 31) | (x >> (64 - 31)) }
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