opencv/3rdparty/zlib-ng/arch/x86/crc32_pclmulqdq.c

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/*
* Compute the CRC32 using a parallelized folding approach with the PCLMULQDQ
* instruction.
*
* A white paper describing this algorithm can be found at:
* doc/crc-pclmulqdq.pdf
*
* Copyright (C) 2013 Intel Corporation. All rights reserved.
* Copyright (C) 2016 Marian Beermann (support for initial value)
* Authors:
* Wajdi Feghali <wajdi.k.feghali@intel.com>
* Jim Guilford <james.guilford@intel.com>
* Vinodh Gopal <vinodh.gopal@intel.com>
* Erdinc Ozturk <erdinc.ozturk@intel.com>
* Jim Kukunas <james.t.kukunas@linux.intel.com>
*
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#ifdef X86_PCLMULQDQ_CRC
#define CRC32_FOLD_COPY crc32_fold_pclmulqdq_copy
#define CRC32_FOLD crc32_fold_pclmulqdq
#define CRC32_FOLD_RESET crc32_fold_pclmulqdq_reset
#define CRC32_FOLD_FINAL crc32_fold_pclmulqdq_final
#define CRC32 crc32_pclmulqdq
#include "crc32_pclmulqdq_tpl.h"
#endif