Apparatus and method for performing a shift operation in a multiplier array circuit
CA 1287922 C · Owner: Mclellan, Edward J. · Inventors: Yodlowski, Robert A.J.; Mclellan, Edward J.; Wolrich, Gilbert M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In floating point opertaions it is necessary to, align the fractions of the exponents before addition or subtraction operations can be executed. This fraction alignment is performed by a shifting operation typically, using dedicated apparatus such as a barrel shifter. While the dedicated apparatus provides high performance in the execution of the shifting operation, this performance is accomplished by reserving a portion of the substrate area to apparatus implementation. To avoid the use of dedicated apparatus, the shifting operation is performed in a multiplier unit, according to the present invention by entering the number to be shifted in the multiplicand register of the multiplier unit …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted August 20, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 20, 2008.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.