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#include <util/system/compat.h> 
#include <util/system/compiler.h> 
#include <util/system/cpu_id.h> 
#include <util/system/platform.h> 
 
#define Y_CPU_ID_ENUMERATE_STARTUP_CHECKS(F) \ 
    F(SSE42)                                 \ 
    F(PCLMUL)                                \ 
    F(AES)                                   \ 
    F(AVX)                                   \ 
    F(AVX2)                                  \ 
    F(FMA) 
 
namespace { 
    [[noreturn]] void ReportISAError(const char* isa) { 
        err(-1, "This program was compiled for %s which is not supported on your system, exiting...", isa); 
    } 
 
#define Y_DEF_NAME(X)                  \ 
    void Assert##X() noexcept {        \ 
        if (!NX86::Have##X()) {        \ 
            ReportISAError(#X);        \ 
        }                              \ 
    } 
 
    Y_CPU_ID_ENUMERATE_STARTUP_CHECKS(Y_DEF_NAME) 
#undef Y_DEF_NAME 
 
    class TBuildCpuChecker { 
    public: 
        TBuildCpuChecker() { 
            Check(); 
        } 
 
    private: 
        void Check() const noexcept { 
#if defined(_fma_) 
            AssertFMA(); 
#elif defined(_avx2_) 
            AssertAVX2(); 
#elif defined(_avx_) 
            AssertAVX(); 
#elif defined(_aes_) 
            AssertAES(); 
#elif defined(_pclmul_) 
            AssertPCLMUL(); 
#elif defined(_sse4_2_) 
            AssertSSE42(); 
#endif 
 
#define Y_DEF_NAME(X) Y_UNUSED(Assert##X); 
            Y_CPU_ID_ENUMERATE_STARTUP_CHECKS(Y_DEF_NAME) 
#undef Y_DEF_NAME 
        } 
    }; 
} 
 
#if defined(_x86_) && !defined(_MSC_VER) 
#define INIT_PRIORITY(x) __attribute__((init_priority(x))) 
#else 
#define INIT_PRIORITY(x) 
#endif 
 
const static TBuildCpuChecker CheckCpuWeAreRunningOn INIT_PRIORITY(101) ;