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:
Dec. 11, 2012
Filed:
Dec. 10, 2008
Maarten Boersma, Holzgerlingen, DE;
Silvia Melitta Mueller, Altdorf, DE;
Jochen Preiss, Boeblingen, DE;
Holger Wetter, Weil im Schoenbuch, DE;
Maarten Boersma, Holzgerlingen, DE;
Silvia Melitta Mueller, Altdorf, DE;
Jochen Preiss, Boeblingen, DE;
Holger Wetter, Weil im Schoenbuch, DE;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A shifter that includes a plurality of shift stages positioned within the shifter, and receiving and shifting input data to generate a shifted result, and a detection circuit coupled at an input of a final shift stage of the plurality of shifters, in a final stage within the shifter. The detection circuit receives a partially shifted vector at the input of the final shift stage along with a predetermined shift amount, and performing an all-one or all-zero detection operation using a portion of the partially shifted vector and the predetermined shift amount, in parallel, to a shifting operation performed by the final shift stage to generate the shifted result.