Power ISA™ Version 2.03 - Power.org

Version 2.03
Table 3: Embedded Floating-Point Results Summary—Add, Sub, Mul, Div (Continued)
Operation Operand A Operand B Result FINV FOVF FUNF FDBZ FINX
Add zero zero zero 1 0 0 0 0 0
Add zero norm operand_b 4 0 0 0 0 0
Add norm ∞ bmax 1 0 0 0 0
Add norm NaN bmax 1 0 0 0 0
Add norm denorm operand_a 4 1 0 0 0 0
Add norm zero operand_a 4 0 0 0 0 0
Add norm norm _Calc_ 0 * * 0 *
Subtract
Sub ∞ ∞ amax 1 0 0 0 0
Sub ∞ NaN amax 1 0 0 0 0
Sub ∞ denorm amax 1 0 0 0 0
Sub ∞ zero amax 1 0 0 0 0
Sub ∞ Norm amax 1 0 0 0 0
Sub NaN ∞ amax 1 0 0 0 0
Sub NaN NaN amax 1 0 0 0 0
Sub NaN denorm amax 1 0 0 0 0
Sub NaN zero amax 1 0 0 0 0
Sub NaN norm amax 1 0 0 0 0
Sub denorm ∞ -bmax 1 0 0 0 0
Sub denorm NaN -bmax 1 0 0 0 0
Sub denorm denorm zero 2 1 0 0 0 0
Sub denorm zero zero 2 1 0 0 0 0
Sub denorm norm -operand_b 4 1 0 0 0 0
Sub zero ∞ -bmax 1 0 0 0 0
Sub zero NaN -bmax 1 0 0 0 0
Sub zero denorm zero 2 1 0 0 0 0
Sub zero zero zero 2 0 0 0 0 0
Sub zero norm -operand_b 4 0 0 0 0 0
Sub norm ∞ -bmax 1 0 0 0 0
Sub norm NaN -bmax 1 0 0 0 0
Sub norm denorm operand_a 4 1 0 0 0 0
Sub norm zero operand_a 4 0 0 0 0 0
Sub norm norm _Calc_ 0 * * 0 *
Multiply 3
Mul ∞ ∞ max 1 0 0 0 0
Mul ∞ NaN max 1 0 0 0 0
Mul ∞ denorm zero 1 0 0 0 0
Mul ∞ zero zero 1 0 0 0 0
Mul ∞ Norm max 1 0 0 0 0
Mul NaN ∞ max 1 0 0 0 0
Mul NaN NaN max 1 0 0 0 0
Mul NaN denorm zero 1 0 0 0 0
Mul NaN zero zero 1 0 0 0 0
Mul NaN norm max 1 0 0 0 0
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Power ISA -- Book I