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Last change
on this file since 100111 was 98730, checked in by vboxsync, 22 months ago |
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libs/liblzma-5.4.1: Export to OSE, bugref:10254
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| 1 | ///////////////////////////////////////////////////////////////////////////////
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| 2 | //
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| 3 | /// \file crc64_table.c
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| 4 | /// \brief Precalculated CRC64 table with correct endianness
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| 5 | //
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| 6 | // Author: Lasse Collin
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| 7 | //
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| 8 | // This file has been put into the public domain.
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| 9 | // You can do whatever you want with this file.
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| 10 | //
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| 11 | ///////////////////////////////////////////////////////////////////////////////
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| 12 |
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| 13 | #include "common.h"
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| 14 |
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| 15 |
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| 16 | // FIXME: Compared to crc64_fast.c this has to check for __x86_64__ too
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| 17 | // so that in 32-bit builds crc64_x86.S won't break due to a missing table.
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| 18 | #if (defined(__x86_64__) && defined(__SSSE3__) \
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| 19 | && defined(__SSE4_1__) && defined(__PCLMUL__)) \
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| 20 | || (defined(__e2k__) && __iset__ >= 6)
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| 21 | // No table needed but something has to be exported to keep some toolchains
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| 22 | // happy. Also use a declaration to silence compiler warnings.
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| 23 | extern const char lzma_crc64_dummy;
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| 24 | const char lzma_crc64_dummy;
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| 25 |
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| 26 | #else
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| 27 | // Having the declaration here silences clang -Wmissing-variable-declarations.
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| 28 | extern const uint64_t lzma_crc64_table[4][256];
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| 29 |
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| 30 | # if defined(WORDS_BIGENDIAN)
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| 31 | # include "crc64_table_be.h"
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| 32 | # else
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| 33 | # include "crc64_table_le.h"
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| 34 | # endif
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| 35 | #endif
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