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Current Path: /opt/golang/1.17.2/src/hash/crc32

opt / golang / 1.17.2 / src / hash / crc32 /

📁 ..
📄 crc32.go(7.85 KB)
📄 crc32_amd64.go(6.78 KB)
📄 crc32_amd64.s(5.4 KB)
📄 crc32_arm64.go(1.18 KB)
📄 crc32_arm64.s(1.46 KB)
📄 crc32_generic.go(2.52 KB)
📄 crc32_otherarch.go(721 B)
📄 crc32_ppc64le.go(2.24 KB)
📄 crc32_ppc64le.s(13.63 KB)
📄 crc32_s390x.go(2.08 KB)
📄 crc32_s390x.s(7.61 KB)
📄 crc32_table_ppc64le.s(113.32 KB)
📄 crc32_test.go(12.02 KB)
📄 example_test.go(1 KB)
📄 gen_const_ppc64le.go(4.5 KB)

Editing: crc32_arm64.go

// Copyright 2017 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.

// ARM64-specific hardware-assisted CRC32 algorithms. See crc32.go for a
// description of the interface that each architecture-specific file
// implements.

package crc32

import "internal/cpu"

func castagnoliUpdate(crc uint32, p []byte) uint32
func ieeeUpdate(crc uint32, p []byte) uint32

func archAvailableCastagnoli() bool {
	return cpu.ARM64.HasCRC32
}

func archInitCastagnoli() {
	if !cpu.ARM64.HasCRC32 {
		panic("arch-specific crc32 instruction for Catagnoli not available")
	}
}

func archUpdateCastagnoli(crc uint32, p []byte) uint32 {
	if !cpu.ARM64.HasCRC32 {
		panic("arch-specific crc32 instruction for Castagnoli not available")
	}

return ^castagnoliUpdate(^crc, p)
}

func archAvailableIEEE() bool {
	return cpu.ARM64.HasCRC32
}

func archInitIEEE() {
	if !cpu.ARM64.HasCRC32 {
		panic("arch-specific crc32 instruction for IEEE not available")
	}
}

func archUpdateIEEE(crc uint32, p []byte) uint32 {
	if !cpu.ARM64.HasCRC32 {
		panic("arch-specific crc32 instruction for IEEE not available")
	}

return ^ieeeUpdate(^crc, p)
}

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Editing: crc32_arm64.go

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