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:
May. 30, 2006
Filed:
Dec. 31, 2001
Joseph P. Bratt, San Jose, CA (US);
Sushma Shrikant Trivedi, Sunnyvale, CA (US);
Joseph P. Bratt, San Jose, CA (US);
Sushma Shrikant Trivedi, Sunnyvale, CA (US);
Apple Computer, Inc., Cupertino, CA (US);
Abstract
Methods and apparatuses for performing simultaneous table look-up using multiple look-up tables. In one aspect of the invention, an execution unit in a microprocessor includes: look-up memory and a first circuit coupled to the look-up memory. In response to the microprocessor receiving a first instruction, the first circuit partitions the look-up memory into a first plurality of look-up tables. In response to the microprocessor receiving a second instruction, the first circuit partitions the look-up memory into a second plurality of look-up tables; and the second plurality of look-up tables simultaneously look up a plurality of entries.