Patent · US Expired

Fast overflow detection in decoded bit-vector addition

US6275840A · kind A · utility

0Cited by
6References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 10, 1998
Grant dateAug 14, 2001
Priority date
Expiry dateDec 10, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F7/505
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method for detecting overflow in an add operation on first and second decoded bit-vectors is provided, the method including generating a one-ahead vector using the first decoded bit-vector. The method also includes selecting an overflow bit from bits of the one-ahead vector using the second decoded bit-vector.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.