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// 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 Castagnoli 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)
}

Batal

⬅ hash 15 item

Nama	Tipe	Ukuran	Diubah	Aksi
🔵crc32.go	go	7.9 KB	2024-02-02 18:09	✏️ 👁️
🔵crc32_amd64.go	go	6.8 KB	2024-02-02 18:09	✏️ 👁️
📄crc32_amd64.s	s	5.4 KB	2024-02-02 18:09	✏️ 👁️
🔵crc32_arm64.go	go	1.2 KB	2024-02-02 18:09	✏️ 👁️
📄crc32_arm64.s	s	1.6 KB	2024-02-02 18:09	✏️ 👁️
🔵crc32_generic.go	go	2.5 KB	2024-02-02 18:09	✏️ 👁️
🔵crc32_otherarch.go	go	681 B	2024-02-02 18:09	✏️ 👁️
🔵crc32_ppc64le.go	go	2.2 KB	2024-02-02 18:09	✏️ 👁️
📄crc32_ppc64le.s	s	13.6 KB	2024-02-02 18:09	✏️ 👁️
🔵crc32_s390x.go	go	2.1 KB	2024-02-02 18:09	✏️ 👁️
📄crc32_s390x.s	s	7.6 KB	2024-02-02 18:09	✏️ 👁️
📄crc32_table_ppc64le.s	s	113.3 KB	2024-02-02 18:09	✏️ 👁️
🔵crc32_test.go	go	12.1 KB	2024-02-02 18:09	✏️ 👁️
🔵example_test.go	go	1 KB	2024-02-02 18:09	✏️ 👁️
🔵gen_const_ppc64le.go	go	4.5 KB	2024-02-02 18:09	✏️ 👁️

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