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.

Date of Patent:
Mar. 26, 2019

Filed:

Jul. 27, 2016
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Akash V. Giri, Austin, TX (US);

David S. Levitan, Austin, TX (US);

Mehul Patel, Austin, TX (US);

Albert J. Van Norstrand, Jr., Round Rock, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 9/32 (2018.01); G06F 9/34 (2018.01); G06F 9/35 (2018.01); G06F 12/02 (2006.01); G06F 13/36 (2006.01); G06F 12/1009 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0215 (2013.01); G06F 9/321 (2013.01); G06F 9/34 (2013.01); G06F 9/35 (2013.01); G06F 12/1009 (2013.01); G06F 13/36 (2013.01); G06F 2212/654 (2013.01);
Abstract

Methods and apparatus for managing an effective address table (EAT) in a multi-slice processor including receiving, from an instruction sequence unit, a next-to-complete instruction tag (ITAG); obtaining, from the EAT, a first ITAG from a tail-plus-one EAT row, wherein the EAT comprises a tail EAT row that precedes the tail-plus-one EAT row; determining, based on a comparison of the next-to-complete ITAG and the first ITAG, that the tail EAT row has completed; and retiring the tail EAT row based on the determination.


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