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:
Mar. 22, 2005
Filed:
Feb. 08, 2002
Applicants:
Arjun P. Chandran, Sunnyvale, CA (US);
Gregg K. Tsujimoto, Santa Clara, CA (US);
Anup S. Mehta, Fremont, CA (US);
Inventors:
Arjun P. Chandran, Sunnyvale, CA (US);
Gregg K. Tsujimoto, Santa Clara, CA (US);
Anup S. Mehta, Fremont, CA (US);
Assignee:
Sun Microsystems, Inc., Santa Clara, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F009/40 ;
U.S. Cl.
CPC ...
Abstract
In the Retirement Payload Array (RPA) of a microprocessor, the pointer advance signal 'ADVANCE POINTER' from the Instruction Retirement Logic (IRL) of the Instruction Scheduling Unit (ISU) is utilized to provide conditional read RPA signals. Consequently, according to the invention, a read of the RPA is completed only if it is determined that the read word line being read in the current cycle is not the same read word line that was read in the previous cycle.