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| author | DongHun Kwak <dh0128.kwak@samsung.com> | 2017-09-13 11:05:34 +0900 |
|---|---|---|
| committer | DongHun Kwak <dh0128.kwak@samsung.com> | 2017-09-13 11:06:28 +0900 |
| commit | 34bd32e225e2a8a94104489b31c42e5801cc1f4a (patch) | |
| tree | d021b579a0c190354819974e1eaf0baa54b551f3 /boost/uuid/detail/uuid_x86.hpp | |
| parent | f763a99a501650eff2c60288aa6f10ef916d769e (diff) | |
| download | boost-34bd32e225e2a8a94104489b31c42e5801cc1f4a.tar.gz boost-34bd32e225e2a8a94104489b31c42e5801cc1f4a.tar.bz2 boost-34bd32e225e2a8a94104489b31c42e5801cc1f4a.zip | |
Imported Upstream version 1.63.0upstream/1.63.0
Change-Id: Iac85556a04b7e58d63ba636dedb0986e3555714a
Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>
Diffstat (limited to 'boost/uuid/detail/uuid_x86.hpp')
| -rw-r--r-- | boost/uuid/detail/uuid_x86.hpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/boost/uuid/detail/uuid_x86.hpp b/boost/uuid/detail/uuid_x86.hpp index 303c45b086..120b8d60dc 100644 --- a/boost/uuid/detail/uuid_x86.hpp +++ b/boost/uuid/detail/uuid_x86.hpp @@ -68,7 +68,7 @@ inline bool uuid::is_nil() const BOOST_NOEXCEPT #if defined(BOOST_UUID_USE_SSE41) return _mm_test_all_zeros(mm, mm) != 0; #else - mm = _mm_cmpeq_epi8(mm, _mm_setzero_si128()); + mm = _mm_cmpeq_epi32(mm, _mm_setzero_si128()); return _mm_movemask_epi8(mm) == 0xFFFF; #endif } @@ -86,11 +86,11 @@ inline bool operator== (uuid const& lhs, uuid const& rhs) BOOST_NOEXCEPT __m128i mm_left = uuids::detail::load_unaligned_si128(lhs.data); __m128i mm_right = uuids::detail::load_unaligned_si128(rhs.data); - __m128i mm_cmp = _mm_cmpeq_epi32(mm_left, mm_right); - #if defined(BOOST_UUID_USE_SSE41) - return _mm_test_all_ones(mm_cmp) != 0; + __m128i mm = _mm_xor_si128(mm_left, mm_right); + return _mm_test_all_zeros(mm, mm) != 0; #else + __m128i mm_cmp = _mm_cmpeq_epi32(mm_left, mm_right); return _mm_movemask_epi8(mm_cmp) == 0xFFFF; #endif } |