| // 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 mips64 mips64le ppc64 ppc64le |
| |
| 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 { |
| // Use slicing-by-8 on larger inputs. |
| if len(p) >= sliceBy8Cutoff { |
| return updateSlicingBy8(crc, castagnoliTable8, p) |
| } |
| return update(crc, castagnoliTable, p) |
| } |
| |
| func updateIEEE(crc uint32, p []byte) uint32 { |
| // Use slicing-by-8 on larger inputs. |
| if len(p) >= sliceBy8Cutoff { |
| ieeeTable8Once.Do(func() { |
| ieeeTable8 = makeTable8(IEEE) |
| }) |
| return updateSlicingBy8(crc, ieeeTable8, p) |
| } |
| return update(crc, IEEETable, p) |
| } |
