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| author | Lasse Collin <lasse.collin@tukaani.org> | 2022-11-11 14:35:58 +0200 |
|---|---|---|
| committer | Lasse Collin <lasse.collin@tukaani.org> | 2022-11-11 14:35:58 +0200 |
| commit | c715f683dcb1a817d565da292cddfbceda643e12 (patch) | |
| tree | 07b9c1bd006891ccbe5e250075be541a3baf0e6a /src/liblzma/common/memcmplen.h | |
| parent | Add NEWS for 5.2.7 (forgotten cherry-pick from v5.2). (diff) | |
| download | xz-c715f683dcb1a817d565da292cddfbceda643e12.tar.xz | |
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.
Diffstat (limited to '')
| -rw-r--r-- | src/liblzma/common/memcmplen.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/liblzma/common/memcmplen.h b/src/liblzma/common/memcmplen.h index a80428b9..5a481a02 100644 --- a/src/liblzma/common/memcmplen.h +++ b/src/liblzma/common/memcmplen.h @@ -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 |