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:
Apr. 23, 2019
Filed:
Dec. 15, 2015
International Business Machines Corporation, Armonk, NY (US);
Brian D. Barrick, Pflugerville, TX (US);
Sundeep Chadha, Austin, TX (US);
Michael J. Genden, Austin, TX (US);
Jerry Y. Lu, Van Nuys, CA (US);
Dung Q. Nguyen, Austin, TX (US);
Nasrin Sultana, Austin, TX (US);
David R. Terry, Austin, TX (US);
David S. Walder, Austin, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Operation of a multi-slice processor that includes execution slices and load/store slices coupled via a results bus includes: receiving, by an execution slice, a producer instruction, including: storing, in an entry of an issue queue, the producer instruction; and storing, in a register, an issue queue entry identifier representing the entry of the issue queue in which the producer instruction is stored; receiving, by the execution slice, a source instruction, the source instruction dependent upon the result of the producer instruction, including: storing, in another entry of the issue queue, the source instruction and the issue queue entry identifier of the producer instruction; determining in dependence upon the issue queue entry identifier of the producer instruction that the producer instruction has issued from the issue queue; and responsive to the determination that the producer instruction has issued from the issue queue, issuing the source instruction from the issue queue.