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:
Dec. 13, 2016
Filed:
Feb. 11, 2008
Branch target preloading using a multiplexer and hash circuit to reduce incorrect branch predictions
Gregory W. Alexander, Pflugerville, TX (US);
Anton Blanchard, Marrickville, AU;
Milton D. Miller, Ii, Austin, TX (US);
Todd A. Venton, Austin, TX (US);
Kenneth L. Wright, Austin, TX (US);
Gregory W. Alexander, Pflugerville, TX (US);
Anton Blanchard, Marrickville, AU;
Milton D. Miller, II, Austin, TX (US);
Todd A. Venton, Austin, TX (US);
Kenneth L. Wright, Austin, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A system provides complex branch execution hardware and a hardware-based Multiplexer (MUX) to multiplex a fetch address of a future branch and a preloaded branch fetch address to create an index hash value that is used to index a branch target prediction table for execution by a processor core, in order to reduce branch mis-prediction by preloading.