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.

Date of Patent:
Mar. 09, 1999

Filed:

Mar. 31, 1997
Applicant:
Inventor:

Siamak Arya, Palo Alto, CA (US);

Assignee:

Sun Microsystems, Inc., Palo Alto, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395385 ;
Abstract

A processor which includes separate instruction and data caches and which executes instructions according to a new instruction set architecture, efficiently executes old software code by providing the processor with a compatibility circuit which receives old software code instructions from a secondary memory, groups these instructions according the new instruction set architecture and provides these grouped instructions to the instruction cache of the processor. In this processor, the old instruction software code conforms to an old instruction set which is a subset of the new instruction set.


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Arya, Siamak. (1999). Hardware compatibility circuit for a new processor architecture (U.S. Patent No. 5881258). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5881258

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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