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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !amd64,!amd64p32 appengine gccgo
package crc32
// This file contains the generic version of updateCastagnoli which does
// slicing-by-8, or uses the fallback for very small sizes.
func updateCastagnoli(crc uint32, p []byte) uint32 {
// only use slicing-by-8 when input is >= 16 Bytes
if len(p) >= 16 {
return updateSlicingBy8(crc, castagnoliTable8, p)
}
return update(crc, castagnoliTable, p)
}
func updateIEEE(crc uint32, p []byte) uint32 {
// only use slicing-by-8 when input is >= 16 Bytes
if len(p) >= 16 {
ieeeTable8Once.Do(func() {
ieeeTable8 = makeTable8(IEEE)
})
return updateSlicingBy8(crc, ieeeTable8, p)
}
return update(crc, IEEETable, p)
}
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