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. 18, 2014
Filed:
Dec. 27, 2010
Michael Gibbs, Cambridgeshire, GB;
Paul Anthony Gilkerson, Cambridge, GB;
John Michael Horley, Cambridge, GB;
Michael Gibbs, Cambridgeshire, GB;
Paul Anthony Gilkerson, Cambridge, GB;
John Michael Horley, Cambridge, GB;
ARM Limited, Cambridge, GB;
Abstract
A data processing apparatus is provided comprising prediction circuitry for predicting a response of the data processing circuitry at at least one given execution point to execution of a program instruction; tracing circuitry for tracing operation of the data processing apparatus for outputting a prediction indicator indicating whether or not the predicted response is correct; a data store configured to store information relating to the predicted response of said data processing circuitry at the given execution point for use by at least one of said prediction logic and said tracing circuitry a later execution point; and a history buffer configured to store historical information with regard to one or more entries of the data store at a corresponding execution point previous to the given execution point to enable restoration of said data store to a state corresponding to said previous execution point.