core/fpu_ctrl.h

   1 #ifndef CORE_FPU_CTRL_H
   2 #define CORE_FPU_CTRL_H
   3
   4 class FPUCtl {
   5 #if defined(HAVE_SSE_INTRINSICS) || (defined(__GNUC__) && defined(HAVE_SSE))
   6     unsigned int sse_state{};
   7 #endif
   8     bool in_mode{};
   9
  10 public:
  11     FPUCtl() noexcept { enter(); in_mode = true; }
  12     ~FPUCtl() { if(in_mode) leave(); }
  13
  14     FPUCtl(const FPUCtl&) = delete;
  15     FPUCtl& operator=(const FPUCtl&) = delete;
  16
  17     void enter() noexcept;
  18     void leave() noexcept;
  19 };
  20
  21 #endif /* CORE_FPU_CTRL_H */