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 but something has to be exported to keep some toolchains
22 // happy. Also use a declaration to silence compiler warnings.
23 extern const char lzma_crc64_dummy;
24 const char lzma_crc64_dummy;
25 
26 #else
27 // Having the declaration here silences clang -Wmissing-variable-declarations.
28 extern const uint64_t lzma_crc64_table[4][256];
29 
30 #	if defined(WORDS_BIGENDIAN)
31 #		include "crc64_table_be.h"
32 #	else
33 #		include "crc64_table_le.h"
34 #	endif
35 #endif
36