opencv

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/* crc32_vpclmulqdq.c -- VPCMULQDQ-based CRC32 folding implementation.
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 * Copyright Wangyang Guo (wangyang.guo@intel.com)
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 * For conditions of distribution and use, see copyright notice in zlib.h
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 */
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#if defined(X86_PCLMULQDQ_CRC) && defined(X86_VPCLMULQDQ_CRC)
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#define X86_VPCLMULQDQ
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#define CRC32_FOLD_COPY  crc32_fold_vpclmulqdq_copy
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#define CRC32_FOLD       crc32_fold_vpclmulqdq
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#define CRC32_FOLD_RESET crc32_fold_vpclmulqdq_reset
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#define CRC32_FOLD_FINAL crc32_fold_vpclmulqdq_final
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#define CRC32            crc32_vpclmulqdq
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#include "crc32_pclmulqdq_tpl.h"
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#endif
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