diff options
Diffstat (limited to 'src/common/alignment.h')
| -rw-r--r-- | src/common/alignment.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/common/alignment.h b/src/common/alignment.h index ef4d6f896..5040043de 100644 --- a/src/common/alignment.h +++ b/src/common/alignment.h | |||
| @@ -9,7 +9,7 @@ | |||
| 9 | namespace Common { | 9 | namespace Common { |
| 10 | 10 | ||
| 11 | template <typename T> | 11 | template <typename T> |
| 12 | constexpr T AlignUp(T value, std::size_t size) { | 12 | [[nodiscard]] constexpr T AlignUp(T value, std::size_t size) { |
| 13 | static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); | 13 | static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); |
| 14 | auto mod{static_cast<T>(value % size)}; | 14 | auto mod{static_cast<T>(value % size)}; |
| 15 | value -= mod; | 15 | value -= mod; |
| @@ -17,31 +17,31 @@ constexpr T AlignUp(T value, std::size_t size) { | |||
| 17 | } | 17 | } |
| 18 | 18 | ||
| 19 | template <typename T> | 19 | template <typename T> |
| 20 | constexpr T AlignDown(T value, std::size_t size) { | 20 | [[nodiscard]] constexpr T AlignDown(T value, std::size_t size) { |
| 21 | static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); | 21 | static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); |
| 22 | return static_cast<T>(value - value % size); | 22 | return static_cast<T>(value - value % size); |
| 23 | } | 23 | } |
| 24 | 24 | ||
| 25 | template <typename T> | 25 | template <typename T> |
| 26 | constexpr T AlignBits(T value, std::size_t align) { | 26 | [[nodiscard]] constexpr T AlignBits(T value, std::size_t align) { |
| 27 | static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); | 27 | static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); |
| 28 | return static_cast<T>((value + ((1ULL << align) - 1)) >> align << align); | 28 | return static_cast<T>((value + ((1ULL << align) - 1)) >> align << align); |
| 29 | } | 29 | } |
| 30 | 30 | ||
| 31 | template <typename T> | 31 | template <typename T> |
| 32 | constexpr bool Is4KBAligned(T value) { | 32 | [[nodiscard]] constexpr bool Is4KBAligned(T value) { |
| 33 | static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); | 33 | static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); |
| 34 | return (value & 0xFFF) == 0; | 34 | return (value & 0xFFF) == 0; |
| 35 | } | 35 | } |
| 36 | 36 | ||
| 37 | template <typename T> | 37 | template <typename T> |
| 38 | constexpr bool IsWordAligned(T value) { | 38 | [[nodiscard]] constexpr bool IsWordAligned(T value) { |
| 39 | static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); | 39 | static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); |
| 40 | return (value & 0b11) == 0; | 40 | return (value & 0b11) == 0; |
| 41 | } | 41 | } |
| 42 | 42 | ||
| 43 | template <typename T> | 43 | template <typename T> |
| 44 | constexpr bool IsAligned(T value, std::size_t alignment) { | 44 | [[nodiscard]] constexpr bool IsAligned(T value, std::size_t alignment) { |
| 45 | using U = typename std::make_unsigned<T>::type; | 45 | using U = typename std::make_unsigned<T>::type; |
| 46 | const U mask = static_cast<U>(alignment - 1); | 46 | const U mask = static_cast<U>(alignment - 1); |
| 47 | return (value & mask) == 0; | 47 | return (value & mask) == 0; |
| @@ -64,7 +64,7 @@ public: | |||
| 64 | template <typename T2> | 64 | template <typename T2> |
| 65 | constexpr AlignmentAllocator(const AlignmentAllocator<T2, Align>&) noexcept {} | 65 | constexpr AlignmentAllocator(const AlignmentAllocator<T2, Align>&) noexcept {} |
| 66 | 66 | ||
| 67 | T* allocate(size_type n) { | 67 | [[nodiscard]] T* allocate(size_type n) { |
| 68 | return static_cast<T*>(::operator new (n * sizeof(T), std::align_val_t{Align})); | 68 | return static_cast<T*>(::operator new (n * sizeof(T), std::align_val_t{Align})); |
| 69 | } | 69 | } |
| 70 | 70 | ||