diff options
Diffstat (limited to 'Eigen')
-rw-r--r-- | Eigen/src/Core/arch/AVX512/PacketMath.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Eigen/src/Core/arch/AVX512/PacketMath.h b/Eigen/src/Core/arch/AVX512/PacketMath.h index 9fbb256a1..e3f8c1c87 100644 --- a/Eigen/src/Core/arch/AVX512/PacketMath.h +++ b/Eigen/src/Core/arch/AVX512/PacketMath.h @@ -466,7 +466,9 @@ EIGEN_STRONG_INLINE Packet16i ploadu<Packet16i>(const int* from) { // {a0, a0 a1, a1, a2, a2, a3, a3, a4, a4, a5, a5, a6, a6, a7, a7} template <> EIGEN_STRONG_INLINE Packet16f ploaddup<Packet16f>(const float* from) { - __m256i low_half = _mm256_load_si256(reinterpret_cast<const __m256i*>(from)); + // an unaligned load is required here as there is no requirement + // on the alignment of input pointer 'from' + __m256i low_half = _mm256_loadu_si256(reinterpret_cast<const __m256i*>(from)); __m512 even_elements = _mm512_castsi512_ps(_mm512_cvtepu32_epi64(low_half)); __m512 pairs = _mm512_permute_ps(even_elements, _MM_SHUFFLE(2, 2, 0, 0)); return pairs; |