The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 03, 2002
Filed:
Sep. 08, 1997
Applicant:
Inventors:
Mazhar M. Alidina, Allentown, PA (US);
Sivanand Simanapalli, Allentown, PA (US);
Larry R. Tate, South Barrington, IL (US);
Assignee:
Agere Systems Guardian Corp., Orlando, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/302 ; G06F 1/340 ; G06F 1/320 ; G06F 1/342 ;
U.S. Cl.
CPC ...
G06F 9/302 ; G06F 1/340 ; G06F 1/320 ; G06F 1/342 ;
Abstract
A method and apparatus for reducing instruction cycles in a digital signal processor wherein the processor includes a multiplier unit, an adder, a memory, and at least one pair of first and second accumulators. The accumulators include respective guard, high and low parts. The method and apparatus enable vectoring the respective first and second high parts from the accumulators to define a single vectored register responsive to a single instruction cycle and processing the data in the vectored register.