Sign generation system for a carry save adder

Details Sign generation system for a carry save adder Sign generation system for a carry save adder

1984-09-21

1987-02-17

Thomas, James D.

Boots, shoes, and leggings

364754, 364715, G05F 750, G06F 752, G06F 738

Patent

active

046444912

ABSTRACT:
A sign generation system having a plurality of carry save adders. When adding a sum and a carry generated by a carry save adder in a next stage carry save adder, a full sum of two-bit sign fields adjacent to data fields of the sum and the carry is calculated.
The resulting two-bit sign is combined with a constant to generate an exact sign, decreasing number of transferred sign bits.

REFERENCES:
patent: 3976866 (1976-08-01), Motegi et al.
patent: 4538238 (1985-08-01), Circello et al.
patent: 4575812 (1986-03-01), Kloker et al.

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