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early-access version 1324

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pineappleEA
2021-01-15 21:03:50 +01:00
parent d0abd4ba50
commit 6b11334f8f
28 changed files with 504 additions and 287 deletions
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3
src/common/CMakeLists.txt
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@@ -107,7 +107,6 @@ add_library(common STATIC
bit_util.h
cityhash.cpp
cityhash.h
color.h
common_funcs.h
common_paths.h
common_types.h
@@ -166,8 +165,6 @@ add_library(common STATIC
threadsafe_queue.h
time_zone.cpp
time_zone.h
timer.cpp
timer.h
tree.h
uint128.cpp
uint128.h

33
src/common/alignment.h
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@@ -9,50 +9,45 @@
namespace Common {
template <typename T>
[[nodiscard]] constexpr T AlignUp(T value, std::size_t size) {
static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignUp(T value, size_t size) {
auto mod{static_cast<T>(value % size)};
value -= mod;
return static_cast<T>(mod == T{0} ? value : value + size);
}
template <typename T>
[[nodiscard]] constexpr T AlignDown(T value, std::size_t size) {
static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignUpLog2(T value, size_t align_log2) {
return static_cast<T>((value + ((1ULL << align_log2) - 1)) >> align_log2 << align_log2);
}
template <typename T>
requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignDown(T value, size_t size) {
return static_cast<T>(value - value % size);
}
template <typename T>
[[nodiscard]] constexpr T AlignBits(T value, std::size_t align) {
static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
return static_cast<T>((value + ((1ULL << align) - 1)) >> align << align);
}
template <typename T>
[[nodiscard]] constexpr bool Is4KBAligned(T value) {
static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
requires std::is_unsigned_v<T>[[nodiscard]] constexpr bool Is4KBAligned(T value) {
return (value & 0xFFF) == 0;
}
template <typename T>
[[nodiscard]] constexpr bool IsWordAligned(T value) {
static_assert(std::is_unsigned_v<T>, "T must be an unsigned value.");
requires std::is_unsigned_v<T>[[nodiscard]] constexpr bool IsWordAligned(T value) {
return (value & 0b11) == 0;
}
template <typename T>
[[nodiscard]] constexpr bool IsAligned(T value, std::size_t alignment) {
using U = typename std::make_unsigned<T>::type;
requires std::is_integral_v<T>[[nodiscard]] constexpr bool IsAligned(T value, size_t alignment) {
using U = typename std::make_unsigned_t<T>;
const U mask = static_cast<U>(alignment - 1);
return (value & mask) == 0;
}
template <typename T, std::size_t Align = 16>
template <typename T, size_t Align = 16>
class AlignmentAllocator {
public:
using value_type = T;
using size_type = std::size_t;
using difference_type = std::ptrdiff_t;
using size_type = size_t;
using difference_type = ptrdiff_t;
using propagate_on_container_copy_assignment = std::true_type;
using propagate_on_container_move_assignment = std::true_type;

76
src/common/bit_util.h
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@@ -21,82 +21,6 @@ template <typename T>
return sizeof(T) * CHAR_BIT;
}
#ifdef _MSC_VER
[[nodiscard]] inline u32 CountLeadingZeroes32(u32 value) {
unsigned long leading_zero = 0;
if (_BitScanReverse(&leading_zero, value) != 0) {
return 31 - leading_zero;
}
return 32;
}
[[nodiscard]] inline u32 CountLeadingZeroes64(u64 value) {
unsigned long leading_zero = 0;
if (_BitScanReverse64(&leading_zero, value) != 0) {
return 63 - leading_zero;
}
return 64;
}
#else
[[nodiscard]] inline u32 CountLeadingZeroes32(u32 value) {
if (value == 0) {
return 32;
}
return static_cast<u32>(__builtin_clz(value));
}
[[nodiscard]] inline u32 CountLeadingZeroes64(u64 value) {
if (value == 0) {
return 64;
}
return static_cast<u32>(__builtin_clzll(value));
}
#endif
#ifdef _MSC_VER
[[nodiscard]] inline u32 CountTrailingZeroes32(u32 value) {
unsigned long trailing_zero = 0;
if (_BitScanForward(&trailing_zero, value) != 0) {
return trailing_zero;
}
return 32;
}
[[nodiscard]] inline u32 CountTrailingZeroes64(u64 value) {
unsigned long trailing_zero = 0;
if (_BitScanForward64(&trailing_zero, value) != 0) {
return trailing_zero;
}
return 64;
}
#else
[[nodiscard]] inline u32 CountTrailingZeroes32(u32 value) {
if (value == 0) {
return 32;
}
return static_cast<u32>(__builtin_ctz(value));
}
[[nodiscard]] inline u32 CountTrailingZeroes64(u64 value) {
if (value == 0) {
return 64;
}
return static_cast<u32>(__builtin_ctzll(value));
}
#endif
#ifdef _MSC_VER
[[nodiscard]] inline u32 MostSignificantBit32(const u32 value) {