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/* crc32_simd.h
*
* Copyright 2017 The Chromium Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the Chromium source repository LICENSE file.
*/
#include <stdint.h>
#include "zconf.h"
#include "zutil.h"
#include "deflate.h"
/*
* crc32_sse42_simd_(): compute the crc32 of the buffer, where the buffer
* length must be at least 64, and a multiple of 16.
*/
uint32_t ZLIB_INTERNAL crc32_sse42_simd_(
const unsigned char *buf,
z_size_t len,
uint32_t crc);
/*
* crc32_sse42_simd_ buffer size constraints: see the use in zlib/crc32.c
* for computing the crc32 of an arbitrary length buffer.
*/
#define Z_CRC32_SSE42_MINIMUM_LENGTH 64
#define Z_CRC32_SSE42_CHUNKSIZE_MASK 15
/*
* CRC32 checksums using ARMv8-a crypto instructions.
*/
uint32_t ZLIB_INTERNAL armv8_crc32_little(unsigned long crc,
const unsigned char* buf,
z_size_t len);
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