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:
Jul. 08, 2014
Filed:
Apr. 28, 2009
Applicants:
Robert Graham Isherwood, Buckingham, GB;
Ian Oliver, Leeds, GB;
Andrew Webber, Herts, GB;
Inventors:
Assignee:
Imagination Technologies, Limited, Kings Langley, Hertfordshire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 11/34 (2006.01);
U.S. Cl.
CPC ...
G06F 11/348 (2013.01);
Abstract
The invention is a method and system for providing trace data in a pipelined data processor. Aspects of the invention including providing a trace pipeline in parallel to the execution pipeline, providing trace information on whether conditional instructions are complete or not, providing trace information on the interrupt status of the processor, replacing instructions in the processor with functionally equivalent instructions that also produce trace information and modifying the scheduling of instructions in the processor based on the occupancy of the trace output buffer.