[libcxx-commits] [PATCH] D144364: [libcxx] <experimental/simd> Added internal storage type, constructors, subscript operators of class simd/simd_mask and related tests

[Yin Zhang via Phabricator via libcxx-commits]

Joy12138 added a comment.

It seems that the `long double` is a type with a size of 12 bytes on `MinGW (DLL, i686)`. This conflicts with the current implementation. Vector extension requires the input parameter of vector size to be a power of 2 and a multiple of the size of the element type. 12 bytes cannot meet both requirements simultaneously. Should we temporarily exclude `long double` on `MinGW (DLL, i686)`? I think it would be more appropriate to add support for it when implement platform specialization optimization. @philnik


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https://reviews.llvm.org/D144364