62     __int32_t hx, hy, ix, iy, is;  in powf()  local
65     GET_FLOAT_WORD(hy, y);  in powf()
67     iy = hy & 0x7fffffff;  in powf()
106             return (hy >= 0) ? y : zero;  in powf()
108             return (hy < 0) ? -y : zero;  in powf()
111         if (hy < 0) {  in powf()
118     if (hy == 0x40000000 && ix < 0x5f800000 && ix > 0x1a000000)  in powf()
120     if (hy == 0x3f000000) { /* y is  0.5 */  in powf()
129         if (hy < 0)  in powf()
141         if (hy < 0)  in powf()
156             return (hy < 0) ? __math_oflowf(0) : __math_uflowf(0);  in powf()
158             return (hy > 0) ? __math_oflowf(0) : __math_uflowf(0);  in powf()