🔧 Update modules

This commit is contained in:
Ettore Di Giacinto
2021-12-28 18:56:13 +01:00
parent 196cdc5cfc
commit 96aaf5235b
355 changed files with 10547 additions and 4907 deletions

View File

@@ -215,24 +215,15 @@ func (e *fastGen) Reset() {
func matchLen(a, b []byte) int {
b = b[:len(a)]
var checked int
if len(a) >= 4 {
// Try 4 bytes first
if diff := binary.LittleEndian.Uint32(a) ^ binary.LittleEndian.Uint32(b); diff != 0 {
return bits.TrailingZeros32(diff) >> 3
}
// Switch to 8 byte matching.
checked = 4
a = a[4:]
b = b[4:]
for len(a) >= 8 {
b = b[:len(a)]
if diff := binary.LittleEndian.Uint64(a) ^ binary.LittleEndian.Uint64(b); diff != 0 {
return checked + (bits.TrailingZeros64(diff) >> 3)
}
checked += 8
a = a[8:]
b = b[8:]
for len(a) >= 8 {
b = b[:len(a)]
if diff := binary.LittleEndian.Uint64(a) ^ binary.LittleEndian.Uint64(b); diff != 0 {
return checked + (bits.TrailingZeros64(diff) >> 3)
}
checked += 8
a = a[8:]
b = b[8:]
}
b = b[:len(a)]
for i := range a {