57 lines
1.2 KiBLFS
C++
57 lines
1.2 KiBLFS
C++
/**
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* @file
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*
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* @author Mamadou Babaei <mamadou@senseglove.com>
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*
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* @section LICENSE
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*
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* Copyright (c) 2020 - 2026 SenseGlove
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*
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* @section DESCRIPTION
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*
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* Cross-(architecture/compiler/platform) intrinsics.
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*/
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#pragma once
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#include <SenseGlove/Common/Platform.hpp>
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#if SG_COMPILER_MSVC
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#include <intrin.h>
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#elif SG_COMPILER_CLANG
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#if SG_CPU_ANY_X86
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#include <emmintrin.h>
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#endif /* SG_CPU_ANY_X86 */
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#elif SG_COMPILER_GCC
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#if SG_CPU_ANY_X86
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#include <xmmintrin.h>
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#endif /* SG_CPU_ANY_X86 */
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#endif /* SG_COMPILER_MSVC */
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namespace SGCommon
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{
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class SGCOMMON_API Intrinsics;
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}// namespace SGCommon
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class SGCOMMON_API SGCommon::Intrinsics
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{
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public:
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static SG_FORCEINLINE void Yield() noexcept
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{
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#if SG_CPU_ANY_X86
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_mm_pause();
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#elif SG_CPU_ANY_ARM
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#if SG_COMPILER_MSVC
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__yield();
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#else /* SG_COMPILER_MSVC */
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__asm__ __volatile__("yield");
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#endif /* SG_COMPILER_MSVC */
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#else /* SG_CPU_ANY_X86 */
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// Fallback: no CPU hint instruction available.
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// Do nothing (burn a cycle) or use a compiler barrier.
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asm volatile("" ::: "memory");
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#endif /* SG_CPU_ANY_X86 */
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}
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};
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