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dolphin/Source/Core/Common/Compiler.h

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Common: Add header for compiler-specifics Instead of globbing things under an ambiguous Common.h header, move compiler-specifics over to Compiler.h. This gives us a dedicated home for anything related to compilers that we want to make functional across all compilers that we support. This moves us a little closer to eliminating Common.h entirely.
2018-06-09 15:34:43 +00:00
// Copyright 2018 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
Compiler: Use [[maybe_unused]] in the Windows DOLPHIN_UNUSED macro The required version of MSVC already supports [[maybe_unused]], so we can utilize this here. When GCC 7 and clang 3.9 become hard requirements, we can eliminate this macro entirely and replace it with [[maybe_unused]].
2018-06-09 16:00:34 +00:00
// TODO: Replace this with [[maybe_unused]] directly when GCC 7 and clang 3.9
// are hard requirements.
Common: Add header for compiler-specifics Instead of globbing things under an ambiguous Common.h header, move compiler-specifics over to Compiler.h. This gives us a dedicated home for anything related to compilers that we want to make functional across all compilers that we support. This moves us a little closer to eliminating Common.h entirely.
2018-06-09 15:34:43 +00:00
#if defined(__GNUC__) || __clang__
// Disable "unused function" warnings for the ones manually marked as such.
Compiler: Rename UNUSED macro to DOLPHIN_UNUSED UNUSED is quite a generic macro name and has potential to clash with other libraries, so rename it to DOLPHIN_UNUSED to prevent that, as well as make its naming consistent with the force inline macro
2018-06-09 15:54:52 +00:00
#define DOLPHIN_UNUSED __attribute__((unused))
Common: Add header for compiler-specifics Instead of globbing things under an ambiguous Common.h header, move compiler-specifics over to Compiler.h. This gives us a dedicated home for anything related to compilers that we want to make functional across all compilers that we support. This moves us a little closer to eliminating Common.h entirely.
2018-06-09 15:34:43 +00:00
#else
Compiler: Use [[maybe_unused]] in the Windows DOLPHIN_UNUSED macro The required version of MSVC already supports [[maybe_unused]], so we can utilize this here. When GCC 7 and clang 3.9 become hard requirements, we can eliminate this macro entirely and replace it with [[maybe_unused]].
2018-06-09 16:00:34 +00:00
#define DOLPHIN_UNUSED [[maybe_unused]]
Common: Add header for compiler-specifics Instead of globbing things under an ambiguous Common.h header, move compiler-specifics over to Compiler.h. This gives us a dedicated home for anything related to compilers that we want to make functional across all compilers that we support. This moves us a little closer to eliminating Common.h entirely.
2018-06-09 15:34:43 +00:00
#endif
Compiler: Rename __forceinline define to DOLPHIN_FORCE_INLINE This is much better as prefixed double underscores are reserved for the implementation when it comes to identifiers. Another reason its better, is that, on Windows, where __forceinline is a compiler built-in, with the previous define, header inclusion software that detects unnecessary includes will erroneously flag usages of Compiler.h as unnecessary (despite being necessary on other platforms). So we define a macro that's used by Windows and other platforms to ensure this doesn't happen.
2018-06-09 15:47:01 +00:00
#ifdef _WIN32
#define DOLPHIN_FORCE_INLINE __forceinline
#else
#define DOLPHIN_FORCE_INLINE inline __attribute__((always_inline))
Common: Add header for compiler-specifics Instead of globbing things under an ambiguous Common.h header, move compiler-specifics over to Compiler.h. This gives us a dedicated home for anything related to compilers that we want to make functional across all compilers that we support. This moves us a little closer to eliminating Common.h entirely.
2018-06-09 15:34:43 +00:00
#endif