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:
Jan. 30, 2018
Filed:
Oct. 01, 2014
Cadence Design Systems, Inc., San Jose, CA (US);
David L. Heine, Mountain View, CA (US);
Aamir A. Farooqui, Mountain View, CA (US);
Cadence Design Systems, Inc., San Jose, CA (US);
Abstract
A single block shifter design performing arithmetic and logical shift operations on input operands of multiple types is disclosed. The shifter design may be configurable and automatically generated to support multiple partition types including at least one of 80-bit, 40-bit, and 20-bit partition type. The shifter may also be configured and automatically generated to perform rotate operations on input operands. The shifter may include two stages where the first stage includes multiple multiplexers performing shift or rotate operations by one or more shift or rotate amounts without saturation, and the second stage includes multiple multiplexers performing operations with saturation. The shifter includes an inversion block to process signed and unsigned input data. A method of automatically generating the shifter design with an electronic design tool is also disclosed.