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Fix Qemu avx512 build #1297

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Merged
JohanMabille merged 1 commit into from
Apr 13, 2026
Merged

Fix Qemu avx512 build #1297

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11 changes: 7 additions & 4 deletions test/test_shuffle.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,8 @@
* The full license is in the file LICENSE, distributed with this software. *
****************************************************************************/

#include <vector>

#include "xsimd/xsimd.hpp"
#ifndef XSIMD_NO_SUPPORTED_ARCHITECTURE

Expand Down Expand Up @@ -620,13 +622,14 @@ struct shuffle_test
void transpose()
{
B b_lhs = B::load_unaligned(lhs.data());
std::array<B, size> b_matrix;
// Due to issue with Qemu AVX512, we rely on vector for this otherwise static array
std::vector<B, xsimd::aligned_allocator<B>> b_matrix = {};
for (size_t i = 0; i < size; ++i)
b_matrix[i] = b_lhs;
std::array<value_type, size * size> ref_matrix;
b_matrix.emplace_back(b_lhs);
std::vector<value_type, xsimd::aligned_allocator<value_type>> ref_matrix = {};
for (size_t i = 0; i < size; ++i)
for (size_t j = 0; j < size; ++j)
ref_matrix[i * size + j] = lhs[i];
ref_matrix.emplace_back(lhs[i]);

INFO("transpose");
xsimd::transpose(b_matrix.data(), b_matrix.data() + b_matrix.size());
Expand Down
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