diff options
Diffstat (limited to 'common/almalloc.h')
| -rw-r--r-- | common/almalloc.h | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/common/almalloc.h b/common/almalloc.h index ddbd72f4..711d02fd 100644 --- a/common/almalloc.h +++ b/common/almalloc.h @@ -101,42 +101,6 @@ constexpr bool operator==(const allocator<T,N>&, const allocator<U,M>&) noexcept template<typename T, std::size_t N, typename U, std::size_t M> constexpr bool operator!=(const allocator<T,N>&, const allocator<U,M>&) noexcept { return false; } -#ifdef __cpp_lib_assume_aligned -template<std::size_t alignment, typename T> -using assume_aligned = std::assume_aligned<alignment,T>; - -#elif defined(__clang__) || (defined(__GNUC__) && !defined(__ICC)) - -template<std::size_t alignment, typename T> -[[gnu::always_inline/*,nodiscard*/]] constexpr T* assume_aligned(T *ptr) noexcept -{ return static_cast<T*>(__builtin_assume_aligned(ptr, alignment)); } - -#elif defined(_MSC_VER) - -template<std::size_t alignment, typename T> -__forceinline /*[[nodiscard]]*/ constexpr T* assume_aligned(T *ptr) noexcept -{ - static constexpr std::size_t alignment_mask{(1<<alignment) - 1}; - if((reinterpret_cast<std::uintptr_t>(ptr)&alignment_mask) == 0) - return ptr; - __assume(0); -} - -#elif defined(__ICC) - -template<std::size_t alignment, typename T> -/*[[nodiscard]]*/ constexpr T* assume_aligned(T *ptr) noexcept -{ - __assume_aligned(ptr, alignment); - return ptr; -} - -#else - -template<std::size_t alignment, typename T> -/*[[nodiscard]]*/ constexpr T* assume_aligned(T *ptr) noexcept { return ptr; } -#endif - template<typename T, typename ...Args> constexpr T* construct_at(T *ptr, Args&& ...args) |