root
/
xz
mirror of https://git.tukaani.org/xz.git
1
0
Fork 0
Code Issues Releases Wiki Activity

liblzma: Fix incorrect #ifdef for x86 SSE2 support. 

__SSE2__ is the correct macro for SSE2 support with GCC, Clang,
and ICC. __SSE2_MATH__ means doing floating point math with SSE2
instead of 387. Often the latter macro is defined if the first
one is but it was still a bug.
This commit is contained in:
Lasse Collin 2022-11-11 14:35:58 +02:00
parent bd334ae56a
commit c715f683dc
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/liblzma/common/memcmplen.h
View File

@ -76,8 +76,7 @@ lzma_memcmplen(const uint8_t *buf1, const uint8_t *buf2,
#elif defined(TUKLIB_FAST_UNALIGNED_ACCESS) \
&& defined(HAVE__MM_MOVEMASK_EPI8) \
&& ((defined(__GNUC__) && defined(__SSE2_MATH__)) \
|| (defined(__INTEL_COMPILER) && defined(__SSE2__)) \
&& (defined(__SSE2__) \
|| (defined(_MSC_VER) && defined(_M_IX86_FP) \
&& _M_IX86_FP >= 2))
// NOTE: This will use 128-bit unaligned access which