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:
Jun. 06, 2017

Filed:

Aug. 01, 2013
Applicant:

Andes Technology Corporation, Hsin-Chu, TW;

Inventors:

Wei-Hao Chiao, Hsinchu, TW;

Hong-Men Su, Hsinchu County, TW;

Haw-Luen Tsai, Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/30 (2006.01); G06F 9/45 (2006.01);
U.S. Cl.
CPC ...
G06F 9/30178 (2013.01); G06F 8/4434 (2013.01); G06F 8/4436 (2013.01); G06F 9/30156 (2013.01);
Abstract

A method for compressing instruction is provided, which includes the following steps. Analyze a program code to be executed by a processor to find one or more instruction groups in the program code according to a preset condition. Each of the instruction groups includes one or more instructions in sequential order. Sort the one or more instruction groups according to a cost function of each of the one or more instruction groups. Put the first X of the sorted one or more instruction groups into an instruction table. X is a value determined according to the cost function. Replace each of the one or more instruction groups in the program code that are put into the instruction table with a corresponding execution-on-instruction-table (EIT) instruction. The EIT instruction has a parameter referring to the corresponding instruction group in the instruction table.


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