In this particular case the broadcasting instruction can be replaced with builtin operations, allowing constexpr. https://godbolt.org/z/Td6vG9cqG https://godbo

In this particular case the broadcasting instruction can be replaced with builtin operations, allowing constexpr. https://godbolt.org/z/Td6vG9cqG https://godbolt.org/z/Td6vG9cqG edit: uh, the constant requires some hand adjustment edit2: fixed version https://godbolt.org/z/4Px5Mbsx4 https://godbolt.org/z/4Px5Mbsx4, and I just don't get this. gcc really just wants to load that constant twice.