__ll_B
__x3 += __ll_B; /* yes, add it in the proper pos. */ \
(w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0); \
__r1 = __r1 * __ll_B | __ll_highpart (n0); \
__r0 = __r0 * __ll_B | __ll_lowpart (n0); \
(q) = (UWtype) __q1 * __ll_B | __q0; \
#define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1))