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Diffstat (limited to '3rdparty/asmjit/src/asmjit/core/type.h')
-rw-r--r-- | 3rdparty/asmjit/src/asmjit/core/type.h | 443 |
1 files changed, 443 insertions, 0 deletions
diff --git a/3rdparty/asmjit/src/asmjit/core/type.h b/3rdparty/asmjit/src/asmjit/core/type.h new file mode 100644 index 00000000000..415fe0a421d --- /dev/null +++ b/3rdparty/asmjit/src/asmjit/core/type.h @@ -0,0 +1,443 @@ +// This file is part of AsmJit project <https://asmjit.com> +// +// See asmjit.h or LICENSE.md for license and copyright information +// SPDX-License-Identifier: Zlib + +#ifndef ASMJIT_CORE_TYPE_H_INCLUDED +#define ASMJIT_CORE_TYPE_H_INCLUDED + +#include "../core/globals.h" +#include "../core/support.h" + +ASMJIT_BEGIN_NAMESPACE + +//! \addtogroup asmjit_core +//! \{ + +//! Type identifier provides a minimalist type system used across AsmJit library. +//! +//! This is an additional information that can be used to describe a value-type of physical or virtual register. It's +//! used mostly by BaseCompiler to describe register representation (the group of data stored in the register and the +//! width used) and it's also used by APIs that allow to describe and work with function signatures. +enum class TypeId : uint8_t { + //! Void type. + kVoid = 0, + + _kBaseStart = 32, + _kBaseEnd = 44, + + _kIntStart = 32, + _kIntEnd = 41, + + //! Abstract signed integer type that has a native size. + kIntPtr = 32, + //! Abstract unsigned integer type that has a native size. + kUIntPtr = 33, + + //! 8-bit signed integer type. + kInt8 = 34, + //! 8-bit unsigned integer type. + kUInt8 = 35, + //! 16-bit signed integer type. + kInt16 = 36, + //! 16-bit unsigned integer type. + kUInt16 = 37, + //! 32-bit signed integer type. + kInt32 = 38, + //! 32-bit unsigned integer type. + kUInt32 = 39, + //! 64-bit signed integer type. + kInt64 = 40, + //! 64-bit unsigned integer type. + kUInt64 = 41, + + _kFloatStart = 42, + _kFloatEnd = 44, + + //! 32-bit floating point type. + kFloat32 = 42, + //! 64-bit floating point type. + kFloat64 = 43, + //! 80-bit floating point type. + kFloat80 = 44, + + _kMaskStart = 45, + _kMaskEnd = 48, + + //! 8-bit opmask register (K). + kMask8 = 45, + //! 16-bit opmask register (K). + kMask16 = 46, + //! 32-bit opmask register (K). + kMask32 = 47, + //! 64-bit opmask register (K). + kMask64 = 48, + + _kMmxStart = 49, + _kMmxEnd = 50, + + //! 64-bit MMX register only used for 32 bits. + kMmx32 = 49, + //! 64-bit MMX register. + kMmx64 = 50, + + _kVec32Start = 51, + _kVec32End = 60, + + kInt8x4 = 51, + kUInt8x4 = 52, + kInt16x2 = 53, + kUInt16x2 = 54, + kInt32x1 = 55, + kUInt32x1 = 56, + kFloat32x1 = 59, + + _kVec64Start = 61, + _kVec64End = 70, + + kInt8x8 = 61, + kUInt8x8 = 62, + kInt16x4 = 63, + kUInt16x4 = 64, + kInt32x2 = 65, + kUInt32x2 = 66, + kInt64x1 = 67, + kUInt64x1 = 68, + kFloat32x2 = 69, + kFloat64x1 = 70, + + _kVec128Start = 71, + _kVec128End = 80, + + kInt8x16 = 71, + kUInt8x16 = 72, + kInt16x8 = 73, + kUInt16x8 = 74, + kInt32x4 = 75, + kUInt32x4 = 76, + kInt64x2 = 77, + kUInt64x2 = 78, + kFloat32x4 = 79, + kFloat64x2 = 80, + + _kVec256Start = 81, + _kVec256End = 90, + + kInt8x32 = 81, + kUInt8x32 = 82, + kInt16x16 = 83, + kUInt16x16 = 84, + kInt32x8 = 85, + kUInt32x8 = 86, + kInt64x4 = 87, + kUInt64x4 = 88, + kFloat32x8 = 89, + kFloat64x4 = 90, + + _kVec512Start = 91, + _kVec512End = 100, + + kInt8x64 = 91, + kUInt8x64 = 92, + kInt16x32 = 93, + kUInt16x32 = 94, + kInt32x16 = 95, + kUInt32x16 = 96, + kInt64x8 = 97, + kUInt64x8 = 98, + kFloat32x16 = 99, + kFloat64x8 = 100, + + kLastAssigned = kFloat64x8, + + kMaxValue = 255 +}; +ASMJIT_DEFINE_ENUM_COMPARE(TypeId) + +//! Type identifier utilities. +namespace TypeUtils { + +struct TypeData { + TypeId scalarOf[uint32_t(TypeId::kMaxValue) + 1]; + uint8_t sizeOf[uint32_t(TypeId::kMaxValue) + 1]; +}; +ASMJIT_VARAPI const TypeData _typeData; + +//! Returns the scalar type of `typeId`. +static ASMJIT_INLINE_NODEBUG TypeId scalarOf(TypeId typeId) noexcept { return _typeData.scalarOf[uint32_t(typeId)]; } + +//! Returns the size [in bytes] of `typeId`. +static ASMJIT_INLINE_NODEBUG uint32_t sizeOf(TypeId typeId) noexcept { return _typeData.sizeOf[uint32_t(typeId)]; } + +//! Tests whether a given type `typeId` is between `a` and `b`. +static ASMJIT_INLINE_NODEBUG constexpr bool isBetween(TypeId typeId, TypeId a, TypeId b) noexcept { + return Support::isBetween(uint32_t(typeId), uint32_t(a), uint32_t(b)); +} + +//! Tests whether a given type `typeId` is \ref TypeId::kVoid. +static ASMJIT_INLINE_NODEBUG constexpr bool isVoid(TypeId typeId) noexcept { return typeId == TypeId::kVoid; } +//! Tests whether a given type `typeId` is a valid non-void type. +static ASMJIT_INLINE_NODEBUG constexpr bool isValid(TypeId typeId) noexcept { return isBetween(typeId, TypeId::_kIntStart, TypeId::_kVec512End); } +//! Tests whether a given type `typeId` is scalar (has no vector part). +static ASMJIT_INLINE_NODEBUG constexpr bool isScalar(TypeId typeId) noexcept { return isBetween(typeId, TypeId::_kBaseStart, TypeId::_kBaseEnd); } +//! Tests whether a given type `typeId` is abstract, which means that its size depends on register size. +static ASMJIT_INLINE_NODEBUG constexpr bool isAbstract(TypeId typeId) noexcept { return isBetween(typeId, TypeId::kIntPtr, TypeId::kUIntPtr); } + +//! Tests whether a given type is a scalar integer (signed or unsigned) of any size. +static ASMJIT_INLINE_NODEBUG constexpr bool isInt(TypeId typeId) noexcept { return isBetween(typeId, TypeId::_kIntStart, TypeId::_kIntEnd); } +//! Tests whether a given type is a scalar 8-bit integer (signed). +static ASMJIT_INLINE_NODEBUG constexpr bool isInt8(TypeId typeId) noexcept { return typeId == TypeId::kInt8; } +//! Tests whether a given type is a scalar 8-bit integer (unsigned). +static ASMJIT_INLINE_NODEBUG constexpr bool isUInt8(TypeId typeId) noexcept { return typeId == TypeId::kUInt8; } +//! Tests whether a given type is a scalar 16-bit integer (signed). +static ASMJIT_INLINE_NODEBUG constexpr bool isInt16(TypeId typeId) noexcept { return typeId == TypeId::kInt16; } +//! Tests whether a given type is a scalar 16-bit integer (unsigned). +static ASMJIT_INLINE_NODEBUG constexpr bool isUInt16(TypeId typeId) noexcept { return typeId == TypeId::kUInt16; } +//! Tests whether a given type is a scalar 32-bit integer (signed). +static ASMJIT_INLINE_NODEBUG constexpr bool isInt32(TypeId typeId) noexcept { return typeId == TypeId::kInt32; } +//! Tests whether a given type is a scalar 32-bit integer (unsigned). +static ASMJIT_INLINE_NODEBUG constexpr bool isUInt32(TypeId typeId) noexcept { return typeId == TypeId::kUInt32; } +//! Tests whether a given type is a scalar 64-bit integer (signed). +static ASMJIT_INLINE_NODEBUG constexpr bool isInt64(TypeId typeId) noexcept { return typeId == TypeId::kInt64; } +//! Tests whether a given type is a scalar 64-bit integer (unsigned). +static ASMJIT_INLINE_NODEBUG constexpr bool isUInt64(TypeId typeId) noexcept { return typeId == TypeId::kUInt64; } + +//! Tests whether a given type is an 8-bit general purpose register representing either signed or unsigned 8-bit integer. +static ASMJIT_INLINE_NODEBUG constexpr bool isGp8(TypeId typeId) noexcept { return isBetween(typeId, TypeId::kInt8, TypeId::kUInt8); } +//! Tests whether a given type is a 16-bit general purpose register representing either signed or unsigned 16-bit integer +static ASMJIT_INLINE_NODEBUG constexpr bool isGp16(TypeId typeId) noexcept { return isBetween(typeId, TypeId::kInt16, TypeId::kUInt16); } +//! Tests whether a given type is a 32-bit general purpose register representing either signed or unsigned 32-bit integer +static ASMJIT_INLINE_NODEBUG constexpr bool isGp32(TypeId typeId) noexcept { return isBetween(typeId, TypeId::kInt32, TypeId::kUInt32); } +//! Tests whether a given type is a 64-bit general purpose register representing either signed or unsigned 64-bit integer +static ASMJIT_INLINE_NODEBUG constexpr bool isGp64(TypeId typeId) noexcept { return isBetween(typeId, TypeId::kInt64, TypeId::kUInt64); } + +//! Tests whether a given type is a scalar floating point of any size. +static ASMJIT_INLINE_NODEBUG constexpr bool isFloat(TypeId typeId) noexcept { return isBetween(typeId, TypeId::_kFloatStart, TypeId::_kFloatEnd); } +//! Tests whether a given type is a scalar 32-bit float. +static ASMJIT_INLINE_NODEBUG constexpr bool isFloat32(TypeId typeId) noexcept { return typeId == TypeId::kFloat32; } +//! Tests whether a given type is a scalar 64-bit float. +static ASMJIT_INLINE_NODEBUG constexpr bool isFloat64(TypeId typeId) noexcept { return typeId == TypeId::kFloat64; } +//! Tests whether a given type is a scalar 80-bit float. +static ASMJIT_INLINE_NODEBUG constexpr bool isFloat80(TypeId typeId) noexcept { return typeId == TypeId::kFloat80; } + +//! Tests whether a given type is a mask register of any size. +static ASMJIT_INLINE_NODEBUG constexpr bool isMask(TypeId typeId) noexcept { return isBetween(typeId, TypeId::_kMaskStart, TypeId::_kMaskEnd); } +//! Tests whether a given type is an 8-bit mask register. +static ASMJIT_INLINE_NODEBUG constexpr bool isMask8(TypeId typeId) noexcept { return typeId == TypeId::kMask8; } +//! Tests whether a given type is an 16-bit mask register. +static ASMJIT_INLINE_NODEBUG constexpr bool isMask16(TypeId typeId) noexcept { return typeId == TypeId::kMask16; } +//! Tests whether a given type is an 32-bit mask register. +static ASMJIT_INLINE_NODEBUG constexpr bool isMask32(TypeId typeId) noexcept { return typeId == TypeId::kMask32; } +//! Tests whether a given type is an 64-bit mask register. +static ASMJIT_INLINE_NODEBUG constexpr bool isMask64(TypeId typeId) noexcept { return typeId == TypeId::kMask64; } + +//! Tests whether a given type is an MMX register. +//! +//! \note MMX functionality is in general deprecated on X86 architecture. AsmJit provides it just for completeness. +static ASMJIT_INLINE_NODEBUG constexpr bool isMmx(TypeId typeId) noexcept { return isBetween(typeId, TypeId::_kMmxStart, TypeId::_kMmxEnd); } +//! Tests whether a given type is an MMX register, which only uses the low 32 bits of data (only specific cases). +//! +//! \note MMX functionality is in general deprecated on X86 architecture. AsmJit provides it just for completeness. +static ASMJIT_INLINE_NODEBUG constexpr bool isMmx32(TypeId typeId) noexcept { return typeId == TypeId::kMmx32; } +//! Tests whether a given type is an MMX register, which uses 64 bits of data (default). +//! +//! \note MMX functionality is in general deprecated on X86 architecture. AsmJit provides it just for completeness. +static ASMJIT_INLINE_NODEBUG constexpr bool isMmx64(TypeId typeId) noexcept { return typeId == TypeId::kMmx64; } + +//! Tests whether a given type is a vector register of any size. +static ASMJIT_INLINE_NODEBUG constexpr bool isVec(TypeId typeId) noexcept { return isBetween(typeId, TypeId::_kVec32Start, TypeId::_kVec512End); } +//! Tests whether a given type is a 32-bit or 32-bit view of a vector register. +static ASMJIT_INLINE_NODEBUG constexpr bool isVec32(TypeId typeId) noexcept { return isBetween(typeId, TypeId::_kVec32Start, TypeId::_kVec32End); } +//! Tests whether a given type is a 64-bit or 64-bit view of a vector register. +static ASMJIT_INLINE_NODEBUG constexpr bool isVec64(TypeId typeId) noexcept { return isBetween(typeId, TypeId::_kVec64Start, TypeId::_kVec64End); } +//! Tests whether a given type is a 128-bit or 128-bit view of a vector register. +static ASMJIT_INLINE_NODEBUG constexpr bool isVec128(TypeId typeId) noexcept { return isBetween(typeId, TypeId::_kVec128Start, TypeId::_kVec128End); } +//! Tests whether a given type is a 256-bit or 256-bit view of a vector register. +static ASMJIT_INLINE_NODEBUG constexpr bool isVec256(TypeId typeId) noexcept { return isBetween(typeId, TypeId::_kVec256Start, TypeId::_kVec256End); } +//! Tests whether a given type is a 512-bit or 512-bit view of a vector register. +static ASMJIT_INLINE_NODEBUG constexpr bool isVec512(TypeId typeId) noexcept { return isBetween(typeId, TypeId::_kVec512Start, TypeId::_kVec512End); } + +//! \cond +enum TypeCategory : uint32_t { + kTypeCategoryUnknown = 0, + kTypeCategoryEnum = 1, + kTypeCategoryIntegral = 2, + kTypeCategoryFloatingPoint = 3, + kTypeCategoryFunction = 4 +}; + +template<typename T, TypeCategory kCategory> +struct TypeIdOfT_ByCategory {}; // Fails if not specialized. + +template<typename T> +struct TypeIdOfT_ByCategory<T, kTypeCategoryIntegral> { + enum : uint32_t { + kTypeId = uint32_t( + (sizeof(T) == 1 && std::is_signed<T>::value) ? TypeId::kInt8 : + (sizeof(T) == 1 && !std::is_signed<T>::value) ? TypeId::kUInt8 : + (sizeof(T) == 2 && std::is_signed<T>::value) ? TypeId::kInt16 : + (sizeof(T) == 2 && !std::is_signed<T>::value) ? TypeId::kUInt16 : + (sizeof(T) == 4 && std::is_signed<T>::value) ? TypeId::kInt32 : + (sizeof(T) == 4 && !std::is_signed<T>::value) ? TypeId::kUInt32 : + (sizeof(T) == 8 && std::is_signed<T>::value) ? TypeId::kInt64 : + (sizeof(T) == 8 && !std::is_signed<T>::value) ? TypeId::kUInt64 : TypeId::kVoid) + }; +}; + +template<typename T> +struct TypeIdOfT_ByCategory<T, kTypeCategoryFloatingPoint> { + enum : uint32_t { + kTypeId = uint32_t( + (sizeof(T) == 4 ) ? TypeId::kFloat32 : + (sizeof(T) == 8 ) ? TypeId::kFloat64 : + (sizeof(T) >= 10) ? TypeId::kFloat80 : TypeId::kVoid) + }; +}; + +template<typename T> +struct TypeIdOfT_ByCategory<T, kTypeCategoryEnum> + : public TypeIdOfT_ByCategory<typename std::underlying_type<T>::type, kTypeCategoryIntegral> {}; + +template<typename T> +struct TypeIdOfT_ByCategory<T, kTypeCategoryFunction> { + enum : uint32_t { + kTypeId = uint32_t(TypeId::kUIntPtr) + }; +}; +//! \endcond + +//! TypeIdOfT<> template allows to get a TypeId from a C++ type `T`. +#ifdef _DOXYGEN +template<typename T> +struct TypeIdOfT { + //! TypeId of C++ type `T`. + static constexpr TypeId kTypeId = _TypeIdDeducedAtCompileTime_; +}; +#else +template<typename T> +struct TypeIdOfT + : public TypeIdOfT_ByCategory<T, + std::is_enum<T>::value ? kTypeCategoryEnum : + std::is_integral<T>::value ? kTypeCategoryIntegral : + std::is_floating_point<T>::value ? kTypeCategoryFloatingPoint : + std::is_function<T>::value ? kTypeCategoryFunction : kTypeCategoryUnknown> {}; +#endif + +//! \cond +template<typename T> +struct TypeIdOfT<T*> { + enum : uint32_t { + kTypeId = uint32_t(TypeId::kUIntPtr) + }; +}; + +template<typename T> +struct TypeIdOfT<T&> { + enum : uint32_t { + kTypeId = uint32_t(TypeId::kUIntPtr) + }; +}; +//! \endcond + +//! Returns a corresponding \ref TypeId of `T` type. +template<typename T> +static ASMJIT_INLINE_NODEBUG constexpr TypeId typeIdOfT() noexcept { return TypeId(TypeIdOfT<T>::kTypeId); } + +//! Returns offset needed to convert a `kIntPtr` and `kUIntPtr` TypeId into a type that matches `registerSize` +//! (general-purpose register size). If you find such TypeId it's then only about adding the offset to it. +//! +//! For example: +//! +//! ``` +//! uint32_t registerSize = /* 4 or 8 */; +//! uint32_t deabstractDelta = TypeUtils::deabstractDeltaOfSize(registerSize); +//! +//! TypeId typeId = 'some type-id'; +//! +//! // Normalize some typeId into a non-abstract typeId. +//! if (TypeUtils::isAbstract(typeId)) typeId += deabstractDelta; +//! +//! // The same, but by using TypeUtils::deabstract() function. +//! typeId = TypeUtils::deabstract(typeId, deabstractDelta); +//! ``` +static ASMJIT_INLINE_NODEBUG constexpr uint32_t deabstractDeltaOfSize(uint32_t registerSize) noexcept { + return registerSize >= 8 ? uint32_t(TypeId::kInt64) - uint32_t(TypeId::kIntPtr) + : uint32_t(TypeId::kInt32) - uint32_t(TypeId::kIntPtr); +} + +//! Deabstracts a given `typeId` into a native type by using `deabstractDelta`, which was previously +//! calculated by calling \ref deabstractDeltaOfSize() with a target native register size. +static ASMJIT_INLINE_NODEBUG constexpr TypeId deabstract(TypeId typeId, uint32_t deabstractDelta) noexcept { + return isAbstract(typeId) ? TypeId(uint32_t(typeId) + deabstractDelta) : typeId; +} + +static ASMJIT_INLINE_NODEBUG constexpr TypeId scalarToVector(TypeId scalarTypeId, TypeId vecStartId) noexcept { + return TypeId(uint32_t(vecStartId) + uint32_t(scalarTypeId) - uint32_t(TypeId::kInt8)); +} + +} // {TypeUtils} + +//! Provides type identifiers that can be used in templates instead of native types. +namespace Type { + +//! bool as C++ type-name. +struct Bool {}; +//! int8_t as C++ type-name. +struct Int8 {}; +//! uint8_t as C++ type-name. +struct UInt8 {}; +//! int16_t as C++ type-name. +struct Int16 {}; +//! uint16_t as C++ type-name. +struct UInt16 {}; +//! int32_t as C++ type-name. +struct Int32 {}; +//! uint32_t as C++ type-name. +struct UInt32 {}; +//! int64_t as C++ type-name. +struct Int64 {}; +//! uint64_t as C++ type-name. +struct UInt64 {}; +//! intptr_t as C++ type-name. +struct IntPtr {}; +//! uintptr_t as C++ type-name. +struct UIntPtr {}; +//! float as C++ type-name. +struct Float32 {}; +//! double as C++ type-name. +struct Float64 {}; + +} // {Type} + +//! \cond +#define ASMJIT_DEFINE_TYPE_ID(T, TYPE_ID) \ +namespace TypeUtils { \ + template<> \ + struct TypeIdOfT<T> { \ + enum : uint32_t { \ + kTypeId = uint32_t(TYPE_ID) \ + }; \ + }; \ +} + +ASMJIT_DEFINE_TYPE_ID(void , TypeId::kVoid); +ASMJIT_DEFINE_TYPE_ID(Type::Bool , TypeId::kUInt8); +ASMJIT_DEFINE_TYPE_ID(Type::Int8 , TypeId::kInt8); +ASMJIT_DEFINE_TYPE_ID(Type::UInt8 , TypeId::kUInt8); +ASMJIT_DEFINE_TYPE_ID(Type::Int16 , TypeId::kInt16); +ASMJIT_DEFINE_TYPE_ID(Type::UInt16 , TypeId::kUInt16); +ASMJIT_DEFINE_TYPE_ID(Type::Int32 , TypeId::kInt32); +ASMJIT_DEFINE_TYPE_ID(Type::UInt32 , TypeId::kUInt32); +ASMJIT_DEFINE_TYPE_ID(Type::Int64 , TypeId::kInt64); +ASMJIT_DEFINE_TYPE_ID(Type::UInt64 , TypeId::kUInt64); +ASMJIT_DEFINE_TYPE_ID(Type::IntPtr , TypeId::kIntPtr); +ASMJIT_DEFINE_TYPE_ID(Type::UIntPtr, TypeId::kUIntPtr); +ASMJIT_DEFINE_TYPE_ID(Type::Float32, TypeId::kFloat32); +ASMJIT_DEFINE_TYPE_ID(Type::Float64, TypeId::kFloat64); +//! \endcond + +//! \} + +ASMJIT_END_NAMESPACE + +#endif // ASMJIT_CORE_TYPE_H_INCLUDED |