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:
Sep. 06, 2022

Filed:

Dec. 04, 2019
Applicant:

Advanced Micro Devices, Inc., Santa Clara, CA (US);

Inventors:

Anthony T. Gutierrez, Bellevue, WA (US);

Bradford M. Beckmann, Bellevue, WA (US);

Marcus Nathaniel Chow, Austin, TX (US);

Assignee:

Advanced Micro Devices, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/30 (2018.01); G06F 9/38 (2018.01);
U.S. Cl.
CPC ...
G06F 9/30145 (2013.01); G06F 9/30047 (2013.01); G06F 9/30098 (2013.01); G06F 9/3838 (2013.01); G06F 9/3844 (2013.01);
Abstract

A technique for determining whether a register value should be written to an operand cache or whether the register value should remain in and not be evicted from the operand cache is provided. The technique includes executing an instruction that accesses an operand that comprises the register value, performing one or both of a lookahead technique and a prediction technique to determine whether the register value should be written to an operand cache or whether the register value should remain in and not be evicted from the operand cache, and based on the determining, updating the operand cache.


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