Lines Matching defs:mantissa
4714 Register mantissa = result2_;
4717 Register mantissa = result1_;
4739 __ mov(mantissa, Operand(0));
4745 CountLeadingZeros(masm, source_, mantissa, zeros_);
4748 __ rsb(mantissa, zeros_, Operand(31 + HeapNumber::kExponentBias));
4751 Operand(mantissa, LSL, HeapNumber::kExponentShift));
4757 __ mov(mantissa, Operand(source_, LSL, HeapNumber::kMantissaBitsInTopWord));
4823 // We should be masking the implict first digit of the mantissa away here,
4838 // The max negative int32 is stored as a positive number in the mantissa of
4840 // The actual mantissa bits stored are all 0 because the implicit most
4925 // and not all mantissa bits (0..51) clear.
4933 // Shift out flag and all exponent bits, retaining only mantissa.
4935 // Or with all low-bits of mantissa.
4939 // if all bits in mantissa are zero (it's an Infinity) and non-zero if
5603 // r0: Left value (least significant part of mantissa).
5604 // r1: Left value (sign, exponent, top of mantissa).
5605 // r2: Right value (least significant part of mantissa).
5606 // r3: Right value (sign, exponent, top of mantissa).
5694 // Get the top bits of the mantissa.
5698 // Shift up the mantissa bits to take up the space the exponent used to
