_ENABLE_MASK
#define _ENABLE_MASK (FE_ALL_EXCEPT << _FPUSW_SHIFT)
#define _ENABLE_MASK (FE_ALL_EXCEPT << _FPUSW_SHIFT)
#define _ENABLE_MASK ((FE_DIVBYZERO | FE_INEXACT | FE_INVALID | \
#define _ENABLE_MASK (FE_ALL_EXCEPT << _FPUSW_SHIFT)