diff options
author | Hans Jansen <hansjansen162@outlook.com> | 2023-10-12 19:37:01 +0200 |
---|---|---|
committer | Jia Tan <jiat0218@gmail.com> | 2023-10-13 20:54:05 +0800 |
commit | f1cd9d7194f005cd66ec03c6635ceae75f90ef17 (patch) | |
tree | f51bc020749579f921389819bea6ecb8e8906f4a /src/liblzma/check/crc32_table.c | |
parent | liblzma: Moved CLMUL CRC logic to crc_common.h. (diff) | |
download | xz-f1cd9d7194f005cd66ec03c6635ceae75f90ef17.tar.xz |
liblzma: Added crc32_clmul to crc32_fast.c.
Diffstat (limited to '')
-rw-r--r-- | src/liblzma/check/crc32_table.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/liblzma/check/crc32_table.c b/src/liblzma/check/crc32_table.c index b11762ae..e53b63c9 100644 --- a/src/liblzma/check/crc32_table.c +++ b/src/liblzma/check/crc32_table.c @@ -12,11 +12,22 @@ #include "common.h" + +// FIXME: Compared to crc32_fast.c this has to check for __x86_64__ too +// so that in 32-bit builds crc32_x86.S won't break due to a missing table. +#if !defined(HAVE_ENCODERS) && ((defined(__x86_64__) && defined(__SSSE3__) \ + && defined(__SSE4_1__) && defined(__PCLMUL__)) \ + || (defined(__e2k__) && __iset__ >= 6)) +// No table needed. Use a typedef to avoid an empty translation unit. +typedef void lzma_crc32_dummy; + +#else // Having the declaration here silences clang -Wmissing-variable-declarations. extern const uint32_t lzma_crc32_table[8][256]; -#ifdef WORDS_BIGENDIAN -# include "crc32_table_be.h" -#else -# include "crc32_table_le.h" +# ifdef WORDS_BIGENDIAN +# include "crc32_table_be.h" +# else +# include "crc32_table_le.h" +# endif #endif |