1 /////////////////////////////////////////////////////////////////////////////// 2 // 3 /// \file crc64_table.c 4 /// \brief Precalculated CRC64 table with correct endianness 5 // 6 // Author: Lasse Collin 7 // 8 // This file has been put into the public domain. 9 // You can do whatever you want with this file. 10 // 11 /////////////////////////////////////////////////////////////////////////////// 12 13 #include "common.h" 14 15 16 // FIXME: Compared to crc64_fast.c this has to check for __x86_64__ too 17 // so that in 32-bit builds crc64_x86.S won't break due to a missing table. 18 #if (defined(__x86_64__) && defined(__SSSE3__) \ 19 && defined(__SSE4_1__) && defined(__PCLMUL__)) \ 20 || (defined(__e2k__) && __iset__ >= 6) 21 // No table needed. Use a typedef to avoid an empty translation unit. 22 typedef void lzma_crc64_dummy; 23 24 #else 25 // Having the declaration here silences clang -Wmissing-variable-declarations. 26 extern const uint64_t lzma_crc64_table[4][256]; 27 28 # if defined(WORDS_BIGENDIAN) 29 # include "crc64_table_be.h" 30 # else 31 # include "crc64_table_le.h" 32 # endif 33 #endif 34