blob: 806a9ce36edcdbadfb0fe2bfe8460f49e7be1e24 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
///////////////////////////////////////////////////////////////////////////////
//
/// \file crc64_table.c
/// \brief Precalculated CRC64 table with correct endianness
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
// FIXME: Compared to crc_common.h this has to check for __x86_64__ too
// so that in 32-bit builds crc64_x86.S won't break due to a missing table.
#if defined(HAVE_USABLE_CLMUL) && ((defined(__x86_64__) && defined(__SSSE3__) \
&& defined(__SSE4_1__) && defined(__PCLMUL__)) \
|| (defined(__e2k__) && __iset__ >= 6))
# define X86_CLMUL_NO_TABLE 1
#endif
#ifdef X86_CLMUL_NO_TABLE
// No table needed. Use a typedef to avoid an empty translation unit.
typedef void lzma_crc64_dummy;
#else
// Having the declaration here silences clang -Wmissing-variable-declarations.
extern const uint64_t lzma_crc64_table[4][256];
# if defined(WORDS_BIGENDIAN)
# include "crc64_table_be.h"
# else
# include "crc64_table_le.h"
# endif
#endif
|
