43   uint64_t hx, lx;  in FUNC()  local
45   EXTRACT_WORDS64 (hx, hi);  in FUNC()
47   bool negative = (hx & 0x8000000000000000ULL) != 0;  in FUNC()
51   hx &= 0x7fffffffffffffffULL;  in FUNC()
53   if ((hx | lx) == 0)  in FUNC()
55   int hi_exponent = hx >> (MANT_DIG - 1);  in FUNC()
58   hx &= ((1ULL << (MANT_DIG - 1)) - 1);  in FUNC()
59   if (hx == 0 && lx != 0 && lo_negative != negative)  in FUNC()
68   hx |= 1ULL << (MANT_DIG - 1);  in FUNC()
73       uret = hx;  in FUNC()
81       half_bit = (hx & h) != 0;  in FUNC()
82       more_bits = (hx & (h - 1)) != 0;  in FUNC()
83       uret = hx >> (MANT_DIG - 1 - hi_exponent);  in FUNC()