cpuid.h

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// CPUID stuff supported only on MSVC for now, irrelevant for non x86
#if defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64))
#define PFC_HAVE_CPUID 1
namespace pfc {
    enum {
        CPU_HAVE_3DNOW      = 1 << 0,
        CPU_HAVE_3DNOW_EX   = 1 << 1,
        CPU_HAVE_SSE        = 1 << 2,
        CPU_HAVE_SSE2       = 1 << 3,
        CPU_HAVE_SSE3       = 1 << 4,
        CPU_HAVE_SSSE3      = 1 << 5,
        CPU_HAVE_SSE41      = 1 << 6,
        CPU_HAVE_SSE42      = 1 << 7,
    };

    bool query_cpu_feature_set(unsigned p_value);
};
#endif

#ifndef PFC_HAVE_CPUID
#define PFC_HAVE_CPUID 0
#endif