_SSE_MASK_SHIFT
mxcsr |= FE_ALL_EXCEPT << _SSE_MASK_SHIFT;
omask = ~(control | (mxcsr >> _SSE_MASK_SHIFT)) & FE_ALL_EXCEPT;
mxcsr &= ~(mask << _SSE_MASK_SHIFT);
omask = ~(control | (mxcsr >> _SSE_MASK_SHIFT)) & FE_ALL_EXCEPT;
mxcsr |= mask << _SSE_MASK_SHIFT;
mxcsr |= FE_ALL_EXCEPT << _SSE_MASK_SHIFT;
omask = ~(control | (mxcsr >> _SSE_MASK_SHIFT)) & FE_ALL_EXCEPT;
mxcsr &= ~(mask << _SSE_MASK_SHIFT);
omask = ~(control | (mxcsr >> _SSE_MASK_SHIFT)) & FE_ALL_EXCEPT;
mxcsr |= mask << _SSE_MASK_SHIFT;