Alc/fpu_modes.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

#ifndef FPU_MODES_H
#define FPU_MODES_H

class FPUCtl {
#if defined(__GNUC__) && defined(HAVE_SSE)
    unsigned int sse_state{};
#elif defined(HAVE___CONTROL87_2)
    unsigned int state{};
    unsigned int sse_state{};
#elif defined(HAVE__CONTROLFP)
    unsigned int state{};
#endif
    bool in_mode{};

public:
    FPUCtl() noexcept;
    ~FPUCtl() { leave(); }

    FPUCtl(const FPUCtl&) = delete;
    FPUCtl& operator=(const FPUCtl&) = delete;

    void leave() noexcept;
};

#endif /* FPU_MODES_H */