Lines Matching defs:y0
60 int x0, y0, z0, carry;
67 y0 = __H0(y);
74 y0 &= 0x7fffffff;
78 (y0 > 0x7fff0000) || (y0 == 0x7fff0000 && ((y1 | y2 | y3) != 0)) ||
79 (y0 | y1 | y2 | y3) == 0) /* isnanl(y) || y = 0 */
112 if (y0 < iu) { /* subnormal y */
114 while (y0 == 0) {
116 y0 = y1 >> 16;
121 while (y0 < iu) {
123 y0 = (y0 << 1) | (y1 >> 31);
129 iy = (y0 >> 16) - 16383;
130 y0 = iu | (y0 & im);
167 z0 = x0 - y0 - carry;
210 z0 = x0 - y0 - carry;