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| author | bunnei <bunneidev@gmail.com> | 2020-03-31 14:15:43 -0400 |
|---|---|---|
| committer | bunnei <bunneidev@gmail.com> | 2020-04-17 00:59:28 -0400 |
| commit | 94e00fbb3fc6b951c07fa4d0babec384c33c8987 (patch) | |
| tree | 00b1e3feaaedfdfbebffaa71f429166d1b96dbd6 /src/common | |
| parent | a10f82b62d0fdb4a1f3afc6013837d74b4c161e5 (diff) | |
common: alignment: Add a helper function for generic alignment checking.
Diffstat (limited to 'src/common')
| -rw-r--r-- | src/common/alignment.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/common/alignment.h b/src/common/alignment.h index cdd4833f81..f8c49e0797 100644 --- a/src/common/alignment.h +++ b/src/common/alignment.h @@ -38,6 +38,13 @@ constexpr bool IsWordAligned(T value) { return (value & 0b11) == 0; } +template <typename T> +constexpr bool IsAligned(T value, std::size_t alignment) { + using U = typename std::make_unsigned<T>::type; + const U mask = static_cast<U>(alignment - 1); + return (value & mask) == 0; +} + template <typename T, std::size_t Align = 16> class AlignmentAllocator { public: |