mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-13 09:04:06 -08:00
15 lines
643 B
Go
15 lines
643 B
Go
|
// +build !go1.9
|
||
|
|
|
||
|
|
package xxhash
|
||
|
|
|
||
|
|
// TODO(caleb): After Go 1.10 comes out, remove this fallback code.
|
||
|
|
|
||
|
|
func rol1(x uint64) uint64 { return (x << 1) | (x >> (64 - 1)) }
|
||
|
|
func rol7(x uint64) uint64 { return (x << 7) | (x >> (64 - 7)) }
|
||
|
|
func rol11(x uint64) uint64 { return (x << 11) | (x >> (64 - 11)) }
|
||
|
|
func rol12(x uint64) uint64 { return (x << 12) | (x >> (64 - 12)) }
|
||
|
|
func rol18(x uint64) uint64 { return (x << 18) | (x >> (64 - 18)) }
|
||
|
|
func rol23(x uint64) uint64 { return (x << 23) | (x >> (64 - 23)) }
|
||
|
|
func rol27(x uint64) uint64 { return (x << 27) | (x >> (64 - 27)) }
|
||
|
|
func rol31(x uint64) uint64 { return (x << 31) | (x >> (64 - 31)) }
|