Lines Matching defs:_Trailing_zero_bits

455         // __v.__mantissa == 2^_Trailing_zero_bits * (__v.__mantissa >> _Trailing_zero_bits)
458         // _Trailing_zero_bits is [0, 56] (aside: because 2^56 is the largest power of 2
464         // Therefore, we just need to consider (__v.__mantissa >> _Trailing_zero_bits) * 5^_Ryu_exponent.
480         unsigned long _Trailing_zero_bits;
482         (void) _BitScanForward64(&_Trailing_zero_bits, __v.__mantissa); // __v.__mantissa is guaranteed nonzero
486           (void) _BitScanForward(&_Trailing_zero_bits, _Low_mantissa);
489           (void) _BitScanForward(&_Trailing_zero_bits, _High_mantissa);
490           _Trailing_zero_bits += 32;
493         const uint64_t _Shifted_mantissa = __v.__mantissa >> _Trailing_zero_bits;