Patents by Inventor Kideaki Komatsu

Kideaki Komatsu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Computer program conversion and compilation
    Patent number: 7278138
    Abstract: The present invention provides methods, apparatus, and systems to remove a redundant, sign extension instruction from a program and to improve the execution efficiency of the program. In an example embodiment, a conversion program for controlling a computer for the conversion of an execution program, especially a compiler, permits the computer to perform: a function for analyzing a sign extension instruction issued in order to perform the sign extension of a value defined in the execution program; and a function for, in accordance with analysis results, removing a predetermined sign extension instruction from those included in the execution program.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: October 2, 2007
    Assignee: International Business Machines Corporation
    Inventors: Motohiro Kawahito, Kideaki Komatsu
  • Computer program conversion and compilation
    Publication number: 20020144097
    Abstract: The present invention provides methods, apparatus, and systems to remove a redundant, sign extension instruction from a program and to improve the execution efficiency of the program. In an example embodiment, a conversion program for controlling a computer for the conversion of an execution program, especially a compiler, permits the computer to perform: a function for analyzing a sign extension instruction issued in order to perform the sign extension of a value defined in the execution program; and a function for, in accordance with analysis results, removing a predetermined sign extension instruction from those included in the execution program.
    Type: Application
    Filed: March 19, 2002
    Publication date: October 3, 2002
    Applicant: International Business Machines Corporation
    Inventors: Motohiro Kawahito, Kideaki Komatsu