658 # define __FP_FRAC_ADD_3(r2, r1, r0, x2, x1, x0, y2, y1, y0)	\  argument
664       r1 = x1 + y1;						\
674 # define __FP_FRAC_ADD_4(r3, r2, r1, r0, x3, x2, x1, x0, y3, y2, y1, y0) \  argument
681       r1 = x1 + y1;							\
695 # define __FP_FRAC_SUB_3(r2, r1, r0, x2, x1, x0, y2, y1, y0)    \  argument
702       __FP_FRAC_SUB_3_tmp[1] = x1 - y1;                         \
705       __FP_FRAC_SUB_3_c2 |= __FP_FRAC_SUB_3_c1 && (y1 == x1);   \
714 # define __FP_FRAC_SUB_4(r3, r2, r1, r0, x3, x2, x1, x0, y3, y2, y1, y0) \  argument
722       __FP_FRAC_SUB_4_tmp[1] = x1 - y1;                                  \
725       __FP_FRAC_SUB_4_c2 |= __FP_FRAC_SUB_4_c1 && (y1 == x1);            \
739 # define __FP_FRAC_DEC_3(x2, x1, x0, y2, y1, y0)		\  argument
749 		       y2, y1, y0);				\
755 # define __FP_FRAC_DEC_4(x3, x2, x1, x0, y3, y2, y1, y0)	\  argument
766 		       __FP_FRAC_DEC_4_t0, y3, y2, y1, y0);	\