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Effective Null Pointer Check Elimination

IP.com Disclosure Number: IPCOM000013427D
Original Publication Date: 2000-Jul-01
Included in the Prior Art Database: 2003-Jun-18

Publishing Venue

IBM

Abstract

Disclosed is a method to reduce execution costs of null pointer checks in the Java programs. In general, the implementation of null checking takes advantage of the hardware trap. However, all null checks cannot rely on hardware support because of OS limitations or