mirror of https://github.com/PCSX2/pcsx2.git
Common: Add align helpers
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/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2021 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "common/Pcsx2Defs.h"
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namespace Common
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{
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template <typename T>
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static constexpr __fi bool IsAligned(T value, unsigned int alignment)
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{
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return (value % static_cast<T>(alignment)) == 0;
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}
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template <typename T>
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static constexpr __fi T AlignUp(T value, unsigned int alignment)
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{
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return (value + static_cast<T>(alignment - 1)) / static_cast<T>(alignment) * static_cast<T>(alignment);
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}
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template <typename T>
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static constexpr __fi T AlignDown(T value, unsigned int alignment)
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{
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return value / static_cast<T>(alignment) * static_cast<T>(alignment);
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}
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template <typename T>
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static constexpr __fi bool IsAlignedPow2(T value, unsigned int alignment)
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{
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return (value & static_cast<T>(alignment - 1)) == 0;
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}
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template <typename T>
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static constexpr __fi T AlignUpPow2(T value, unsigned int alignment)
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{
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return (value + static_cast<T>(alignment - 1)) & static_cast<T>(~static_cast<T>(alignment - 1));
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}
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template <typename T>
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static constexpr __fi T AlignDownPow2(T value, unsigned int alignment)
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{
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return value & static_cast<T>(~static_cast<T>(alignment - 1));
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}
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template <typename T>
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static constexpr __fi bool IsPow2(T value)
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{
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return (value & (value - 1)) == 0;
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}
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template <typename T>
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static constexpr __fi T PreviousPow2(T value)
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{
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if (value == static_cast<T>(0))
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return 0;
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value |= (value >> 1);
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value |= (value >> 2);
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value |= (value >> 4);
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value |= (value >> 8);
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value |= (value >> 16);
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return value - (value >> 1);
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}
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} // namespace Common
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@ -57,6 +57,7 @@ target_sources(common PRIVATE
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# x86emitter headers
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# x86emitter headers
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target_sources(common PRIVATE
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target_sources(common PRIVATE
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Align.h
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Assertions.h
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Assertions.h
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boost_spsc_queue.hpp
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boost_spsc_queue.hpp
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Console.h
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Console.h
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@ -94,6 +94,7 @@
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</MASM>
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</MASM>
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</ItemGroup>
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</ItemGroup>
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<ItemGroup>
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<ItemGroup>
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<ClInclude Include="Align.h" />
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<ClInclude Include="EmbeddedImage.h" />
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<ClInclude Include="EmbeddedImage.h" />
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<ClInclude Include="boost_spsc_queue.hpp" />
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<ClInclude Include="boost_spsc_queue.hpp" />
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<ClInclude Include="FastJmp.h" />
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<ClInclude Include="FastJmp.h" />
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@ -273,6 +273,9 @@
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<ClInclude Include="ScopedGuard.h">
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<ClInclude Include="ScopedGuard.h">
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<Filter>Header Files</Filter>
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<Filter>Header Files</Filter>
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</ClInclude>
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</ClInclude>
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<ClInclude Include="Align.h">
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<Filter>Header Files</Filter>
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</ClInclude>
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</ItemGroup>
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</ItemGroup>
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<ItemGroup>
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<ItemGroup>
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<Filter Include="Source Files">
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<Filter Include="Source Files">
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