1 files changed, 5 insertions, 5 deletions
diff --git a/vendor/github.com/klauspost/compress/flate/fast_encoder.go b/vendor/github.com/klauspost/compress/flate/fast_encoder.go
index 6d4c1e98b..4a73e1bdd 100644
--- a/vendor/github.com/klauspost/compress/flate/fast_encoder.go
+++ b/vendor/github.com/klauspost/compress/flate/fast_encoder.go
@@ -127,7 +127,7 @@ func (e *fastGen) addBlock(src []byte) int32 {
 // hash4 returns the hash of u to fit in a hash table with h bits.
 // Preferably h should be a constant and should always be <32.
 func hash4u(u uint32, h uint8) uint32 {
-	return (u * prime4bytes) >> ((32 - h) & 31)
+	return (u * prime4bytes) >> ((32 - h) & reg8SizeMask32)
 }
 
 type tableEntryPrev struct {
@@ -138,25 +138,25 @@ type tableEntryPrev struct {
 // hash4x64 returns the hash of the lowest 4 bytes of u to fit in a hash table with h bits.
 // Preferably h should be a constant and should always be <32.
 func hash4x64(u uint64, h uint8) uint32 {
-	return (uint32(u) * prime4bytes) >> ((32 - h) & 31)
+	return (uint32(u) * prime4bytes) >> ((32 - h) & reg8SizeMask32)
 }
 
 // hash7 returns the hash of the lowest 7 bytes of u to fit in a hash table with h bits.
 // Preferably h should be a constant and should always be <64.
 func hash7(u uint64, h uint8) uint32 {
-	return uint32(((u << (64 - 56)) * prime7bytes) >> ((64 - h) & 63))
+	return uint32(((u << (64 - 56)) * prime7bytes) >> ((64 - h) & reg8SizeMask64))
 }
 
 // hash8 returns the hash of u to fit in a hash table with h bits.
 // Preferably h should be a constant and should always be <64.
 func hash8(u uint64, h uint8) uint32 {
-	return uint32((u * prime8bytes) >> ((64 - h) & 63))
+	return uint32((u * prime8bytes) >> ((64 - h) & reg8SizeMask64))
 }
 
 // hash6 returns the hash of the lowest 6 bytes of u to fit in a hash table with h bits.
 // Preferably h should be a constant and should always be <64.
 func hash6(u uint64, h uint8) uint32 {
-	return uint32(((u << (64 - 48)) * prime6bytes) >> ((64 - h) & 63))
+	return uint32(((u << (64 - 48)) * prime6bytes) >> ((64 - h) & reg8SizeMask64))
 }
 
 // matchlen will return the match length between offsets and t in src.