/* Calculate product sign: */
sg = ((cell_t)(ahi ^ bhi) < 0);
/* Take absolute values and reduce to um* */
- if ((cell_t)ahi < 0) ahi = (ucell_t)(-ahi);
- if ((cell_t)bhi < 0) bhi = (ucell_t)(-bhi);
+ if ((cell_t)ahi < 0) ahi = (ucell_t)(-(cell_t)ahi);
+ if ((cell_t)bhi < 0) bhi = (ucell_t)(-(cell_t)bhi);
/* Break into hi and lo 16 bit parts. */
alo = LOWER_HALF(ahi);