Signed multiplier

Details Signed multiplier Signed multiplier

G - Physics

06

F

354/167

G06F 7/52 (2006.01)

Patent

CA 1217867

Abstract Disclosed is a signed multiplier for use in a data process- ing system that handles 2's complement operands. The signed multiplier operates to form a preliminary product independently of the signs of the multiplier and multipli- cand. While the multiplication is in progress, the signs of the multiplier and multiplicand are checked. For multiplications where either one of the operands (multipli- er or multiplicand) is negative, the preliminary product is modified by one or two correction factors. The correction factors are multiples of the 2's complements of the oper- ands. The correction factor or factors are added to the preliminary product to form the final product.

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