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Diffstat (limited to '3rdparty/asmjit/src/asmjit/core/features.h')
-rw-r--r-- | 3rdparty/asmjit/src/asmjit/core/features.h | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/3rdparty/asmjit/src/asmjit/core/features.h b/3rdparty/asmjit/src/asmjit/core/features.h deleted file mode 100644 index fd28472c91f..00000000000 --- a/3rdparty/asmjit/src/asmjit/core/features.h +++ /dev/null @@ -1,186 +0,0 @@ -// AsmJit - Machine code generation for C++ -// -// * Official AsmJit Home Page: https://asmjit.com -// * Official Github Repository: https://github.com/asmjit/asmjit -// -// Copyright (c) 2008-2020 The AsmJit Authors -// -// This software is provided 'as-is', without any express or implied -// warranty. In no event will the authors be held liable for any damages -// arising from the use of this software. -// -// Permission is granted to anyone to use this software for any purpose, -// including commercial applications, and to alter it and redistribute it -// freely, subject to the following restrictions: -// -// 1. The origin of this software must not be misrepresented; you must not -// claim that you wrote the original software. If you use this software -// in a product, an acknowledgment in the product documentation would be -// appreciated but is not required. -// 2. Altered source versions must be plainly marked as such, and must not be -// misrepresented as being the original software. -// 3. This notice may not be removed or altered from any source distribution. - -#ifndef ASMJIT_CORE_FEATURES_H_INCLUDED -#define ASMJIT_CORE_FEATURES_H_INCLUDED - -#include "../core/globals.h" -#include "../core/support.h" - -ASMJIT_BEGIN_NAMESPACE - -//! \addtogroup asmjit_core -//! \{ - -// ============================================================================ -// [asmjit::BaseFeatures] -// ============================================================================ - -//! Base class that provides information about CPU features. -//! -//! Internally each feature is repreesnted by a single bit in an embedded -//! bit-array, however, feature bits are defined by an architecture specific -//! implementations, like \ref x86::Features. -class BaseFeatures { -public: - typedef Support::BitWord BitWord; - typedef Support::BitVectorIterator<BitWord> Iterator; - - enum : uint32_t { - kMaxFeatures = 128, - kNumBitWords = kMaxFeatures / Support::kBitWordSizeInBits - }; - - BitWord _bits[kNumBitWords]; - - //! \name Construction & Destruction - //! \{ - - inline BaseFeatures() noexcept { reset(); } - inline BaseFeatures(const BaseFeatures& other) noexcept = default; - inline explicit BaseFeatures(Globals::NoInit_) noexcept {} - - inline void reset() noexcept { - for (size_t i = 0; i < kNumBitWords; i++) - _bits[i] = 0; - } - - //! \} - - //! \name Overloaded Operators - //! \{ - - inline BaseFeatures& operator=(const BaseFeatures& other) noexcept = default; - - inline bool operator==(const BaseFeatures& other) noexcept { return eq(other); } - inline bool operator!=(const BaseFeatures& other) noexcept { return !eq(other); } - - //! \} - - //! \name Cast - //! \{ - - //! Casts this base class into a derived type `T`. - template<typename T> - inline T& as() noexcept { return static_cast<T&>(*this); } - - //! Casts this base class into a derived type `T` (const). - template<typename T> - inline const T& as() const noexcept { return static_cast<const T&>(*this); } - - //! \} - - //! \name Accessors - //! \{ - - inline bool empty() const noexcept { - for (uint32_t i = 0; i < kNumBitWords; i++) - if (_bits[i]) - return false; - return true; - } - - //! Returns all features as array of bitwords (see \ref Support::BitWord). - inline BitWord* bits() noexcept { return _bits; } - //! Returns all features as array of bitwords (const). - inline const BitWord* bits() const noexcept { return _bits; } - - //! Returns the number of BitWords returned by \ref bits(). - inline size_t bitWordCount() const noexcept { return kNumBitWords; } - - //! Returns \ref Support::BitVectorIterator, that can be used to iterate - //! all features efficiently - inline Iterator iterator() const noexcept { - return Iterator(_bits, kNumBitWords); - } - - //! Tests whether the feature `featureId` is present. - inline bool has(uint32_t featureId) const noexcept { - ASMJIT_ASSERT(featureId < kMaxFeatures); - - uint32_t idx = featureId / Support::kBitWordSizeInBits; - uint32_t bit = featureId % Support::kBitWordSizeInBits; - - return bool((_bits[idx] >> bit) & 0x1); - } - - //! Tests whether all features as defined by `other` are present. - inline bool hasAll(const BaseFeatures& other) const noexcept { - for (uint32_t i = 0; i < kNumBitWords; i++) - if ((_bits[i] & other._bits[i]) != other._bits[i]) - return false; - return true; - } - - //! \} - - //! \name Utilities - //! \{ - - //! Adds the given CPU `featureId` to the list of features. - inline void add(uint32_t featureId) noexcept { - ASMJIT_ASSERT(featureId < kMaxFeatures); - - uint32_t idx = featureId / Support::kBitWordSizeInBits; - uint32_t bit = featureId % Support::kBitWordSizeInBits; - - _bits[idx] |= BitWord(1) << bit; - } - - template<typename... Args> - inline void add(uint32_t featureId, Args... otherIds) noexcept { - add(featureId); - add(otherIds...); - } - - //! Removes the given CPU `featureId` from the list of features. - inline void remove(uint32_t featureId) noexcept { - ASMJIT_ASSERT(featureId < kMaxFeatures); - - uint32_t idx = featureId / Support::kBitWordSizeInBits; - uint32_t bit = featureId % Support::kBitWordSizeInBits; - - _bits[idx] &= ~(BitWord(1) << bit); - } - - template<typename... Args> - inline void remove(uint32_t featureId, Args... otherIds) noexcept { - remove(featureId); - remove(otherIds...); - } - - inline bool eq(const BaseFeatures& other) const noexcept { - for (size_t i = 0; i < kNumBitWords; i++) - if (_bits[i] != other._bits[i]) - return false; - return true; - } - - //! \} -}; - -//! \} - -ASMJIT_END_NAMESPACE - -#endif // ASMJIT_CORE_FEATURES_H_INCLUDED |