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:
Oct. 18, 2016
Filed:
Nov. 27, 2013
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Anil Krishna, Raleigh, NC (US);
Sandeep Suresh Navada, Knightdale, NC (US);
Niket Kumar Choudhary, Raleigh, NC (US);
Michael Scott McIlvaine, Raleigh, NC (US);
Thomas Andrew Sartorius, Raleigh, CA (US);
Rodney Wayne Smith, Raleigh, NC (US);
Kenneth Alan Dockser, Cary, NC (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/38 (2006.01);
U.S. Cl.
CPC ...
G06F 9/384 (2013.01); G06F 9/3824 (2013.01); G06F 9/3842 (2013.01); G06F 9/3855 (2013.01); G06F 9/3861 (2013.01);
Abstract
A method and apparatus for allowing an out-of-order processor to reuse an in-use physical register is disclosed herein. The method and apparatus uses identifiers, such as tokens and/or other identifiers in a rename map table (RMT) and a physical register file (PRF), to indicate whether an instruction result is allowed or disallowed to be written into a physical register.