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:
May. 21, 2019
Filed:
Mar. 21, 2016
International Business Machines Corporation, Armonk, NY (US);
Steven J. Battle, Austin, TX (US);
Owen Chiang, Austin, TX (US);
Sam G. Chu, Round Rock, TX (US);
Saiful Islam, Austin, TX (US);
Dung Q. Nguyen, Austin, TX (US);
David R. Terry, Austin, TX (US);
Eula A. Tolentino, Austin, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Methods and apparatus for preventing premature reads from a general purpose register (GPR) including receiving an instruction comprising a source operand identifying a source GPR entry; setting a read-enabled flag based on a value in a particular entry of a source ready vector; if the read-enabled flag indicates data in the source GPR entry is ready for reading, dispatching the received instruction, including performing a read operation of the data in the source GPR entry; and if the read-enabled flag indicates data in the source GPR entry is not ready for reading, dispatching the received instruction without performing a read operation of the data in the source GPR entry.