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Update dependencies
* Updates netlink/netns * Updates x/sys, arkade and apimachinery Build passes, minor updates. Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
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66
vendor/github.com/klauspost/compress/zstd/hash.go
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vendored
66
vendor/github.com/klauspost/compress/zstd/hash.go
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@ -13,65 +13,23 @@ const (
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prime8bytes = 0xcf1bbcdcb7a56463
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)
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// hashLen returns a hash of the lowest l bytes of u for a size size of h bytes.
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// l must be >=4 and <=8. Any other value will return hash for 4 bytes.
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// h should always be <32.
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// Preferably h and l should be a constant.
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// FIXME: This does NOT get resolved, if 'mls' is constant,
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// so this cannot be used.
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func hashLen(u uint64, hashLog, mls uint8) uint32 {
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// hashLen returns a hash of the lowest mls bytes of with length output bits.
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// mls must be >=3 and <=8. Any other value will return hash for 4 bytes.
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// length should always be < 32.
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// Preferably length and mls should be a constant for inlining.
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func hashLen(u uint64, length, mls uint8) uint32 {
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switch mls {
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case 3:
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return (uint32(u<<8) * prime3bytes) >> (32 - length)
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case 5:
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return hash5(u, hashLog)
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return uint32(((u << (64 - 40)) * prime5bytes) >> (64 - length))
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case 6:
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return hash6(u, hashLog)
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return uint32(((u << (64 - 48)) * prime6bytes) >> (64 - length))
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case 7:
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return hash7(u, hashLog)
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return uint32(((u << (64 - 56)) * prime7bytes) >> (64 - length))
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case 8:
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return hash8(u, hashLog)
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return uint32((u * prime8bytes) >> (64 - length))
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default:
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return hash4x64(u, hashLog)
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return (uint32(u) * prime4bytes) >> (32 - length)
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}
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}
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// hash3 returns the hash of the lower 3 bytes of u to fit in a hash table with h bits.
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// Preferably h should be a constant and should always be <32.
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func hash3(u uint32, h uint8) uint32 {
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return ((u << (32 - 24)) * prime3bytes) >> ((32 - h) & 31)
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}
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// hash4 returns the hash of u to fit in a hash table with h bits.
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// Preferably h should be a constant and should always be <32.
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func hash4(u uint32, h uint8) uint32 {
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return (u * prime4bytes) >> ((32 - h) & 31)
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}
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// hash4x64 returns the hash of the lowest 4 bytes of u to fit in a hash table with h bits.
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// Preferably h should be a constant and should always be <32.
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func hash4x64(u uint64, h uint8) uint32 {
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return (uint32(u) * prime4bytes) >> ((32 - h) & 31)
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}
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// hash5 returns the hash of the lowest 5 bytes of u to fit in a hash table with h bits.
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// Preferably h should be a constant and should always be <64.
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func hash5(u uint64, h uint8) uint32 {
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return uint32(((u << (64 - 40)) * prime5bytes) >> ((64 - h) & 63))
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}
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// hash6 returns the hash of the lowest 6 bytes of u to fit in a hash table with h bits.
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// Preferably h should be a constant and should always be <64.
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func hash6(u uint64, h uint8) uint32 {
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return uint32(((u << (64 - 48)) * prime6bytes) >> ((64 - h) & 63))
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}
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// hash7 returns the hash of the lowest 7 bytes of u to fit in a hash table with h bits.
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// Preferably h should be a constant and should always be <64.
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func hash7(u uint64, h uint8) uint32 {
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return uint32(((u << (64 - 56)) * prime7bytes) >> ((64 - h) & 63))
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}
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// hash8 returns the hash of u to fit in a hash table with h bits.
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// Preferably h should be a constant and should always be <64.
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func hash8(u uint64, h uint8) uint32 {
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return uint32((u * prime8bytes) >> ((64 - h) & 63))
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}
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