Lines Matching defs:z0
62 int x0, y0, z0, carry;172 z0 = x0 - y0 - carry;173 if (z0 < 0) { /* double x */181 if (z0 == 0) {196 z0 = z0 + z0 + ((z1 & is) != 0);200 x0 = z0;224 z0 = x0 - y0 - carry;225 if (z0 >= 0) {226 x0 = z0;