110   int k, hx, hu, ax;  in log1p()  local
150       hu = 1;  in log1p()
162       hu = u.as_int.hi;  in log1p()
163       k = (hu >> 20) - 1023;  in log1p()
170       hu = u.as_int.hi;  in log1p()
171       k = (hu >> 20) - 1023;  in log1p()
174     hu &= 0x000fffff;  in log1p()
182     if (hu < 0x6a09e)  in log1p()
185       u.as_int.hi = hu | 0x3ff00000; /* normalize u */  in log1p()
190       u.as_int.hi = hu | 0x3fe00000; /* normalize u/2 */  in log1p()
191       hu = (0x00100000 - hu) >> 2;  in log1p()
196   if (hu == 0)  in log1p()