From 0fc7f3c6adc8543f55ec35b309016d9d9c4ddd35 Mon Sep 17 00:00:00 2001 From: Matthias Kretz Date: Wed, 17 Apr 2024 09:11:25 +0200 Subject: libstdc++: Avoid ill-formed types on ARM This resolves failing tests in check-simd. Signed-off-by: Matthias Kretz libstdc++-v3/ChangeLog: PR libstdc++/114750 * include/experimental/bits/simd_builtin.h (_SimdImplBuiltin::_S_load, _S_store): Fall back to copying scalars if the memory type cannot be vectorized for the target. --- libstdc++-v3/include/experimental/bits/simd_builtin.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libstdc++-v3/include/experimental/bits/simd_builtin.h b/libstdc++-v3/include/experimental/bits/simd_builtin.h index 28227a5..af0c488 100644 --- a/libstdc++-v3/include/experimental/bits/simd_builtin.h +++ b/libstdc++-v3/include/experimental/bits/simd_builtin.h @@ -1464,7 +1464,7 @@ template [&](auto __i) constexpr { return static_cast<_Tp>(__i < _Np ? __mem[__i] : 0); }); - else if constexpr (sizeof(_Up) > 8) + else if constexpr (sizeof(_Up) > 8 or __vectorized_sizeof<_Up>() <= sizeof(_Up)) return __generate_vector<_Tp, _SimdMember<_Tp>::_S_full_size>( [&](auto __i) constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA { return static_cast<_Tp>(__i < _Np ? __mem[__i] : 0); @@ -1536,7 +1536,7 @@ template for (size_t __i = 0; __i < _Np; ++__i) __mem[__i] = __v[__i]; } - else if constexpr (sizeof(_Up) > 8) + else if constexpr (sizeof(_Up) > 8 or __vectorized_sizeof<_Up>() <= sizeof(_Up)) __execute_n_times<_Np>([&](auto __i) constexpr _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA { __mem[__i] = __v[__i]; }); -- cgit v1.1