| // 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 386 arm arm64 ppc64 ppc64le appengine gccgo |
| |
| package crc32 |
| |
| // The 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) |
| } |
