diff options
| -rw-r--r-- | common/opthelpers.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/common/opthelpers.h b/common/opthelpers.h index 04c5f1d0..6b0c8db9 100644 --- a/common/opthelpers.h +++ b/common/opthelpers.h @@ -58,14 +58,16 @@ force_inline constexpr auto assume_aligned(T *ptr) noexcept return std::assume_aligned<alignment,T>(ptr); #elif HAS_BUILTIN(__builtin_assume_aligned) return static_cast<T*>(__builtin_assume_aligned(ptr, alignment)); +#elif defined(_MSC_VER) + 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) __assume_aligned(ptr, alignment); return ptr; #else - constexpr std::size_t alignment_mask{(1<<alignment) - 1}; - if((reinterpret_cast<std::uintptr_t>(ptr)&alignment_mask) == 0) - return ptr; - unreachable(); + return ptr; #endif } |