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:
Aug. 24, 2021

Filed:

Jan. 13, 2020
Applicant:

Intel Corporation, Santa Clara, CA (US);

Inventors:

Vedvyas Shanbhogue, Austin, TX (US);

Jason W. Brandt, Austin, TX (US);

Ravi L. Sahita, Beaverton, OR (US);

Xiaoning Li, Santa Clara, CA (US);

Assignee:

Intel Corporation, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2013.01); G06F 9/30 (2018.01); G06F 9/38 (2018.01); G06F 21/55 (2013.01);
U.S. Cl.
CPC ...
G06F 9/3005 (2013.01); G06F 9/30054 (2013.01); G06F 9/30145 (2013.01); G06F 9/3857 (2013.01); G06F 9/3861 (2013.01); G06F 9/3865 (2013.01); G06F 9/3867 (2013.01); G06F 21/554 (2013.01);
Abstract

A processor includes an execution unit and a processing logic operatively coupled to the execution unit, the processing logic to: enter a first execution state and transition to a second execution state responsive to executing a control transfer instruction. Responsive to executing a target instruction of the control transfer instruction, the processing logic further transitions to the first execution state responsive to the target instruction being a control transfer termination instruction of a mode identical to a mode of the processing logic following the execution of the control transfer instruction; and raises an execution exception responsive to the target instruction being a control transfer termination instruction of a mode different than the mode of the processing logic following the execution of the control transfer instruction.


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