METHOD OF PROCESSING IMMEDIATE VALUE IN EISC PROCESSOR
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United States of America Patent
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Issued Date -
Oct 23, 2014
app pub date -
Apr 30, 2013
filing date -
Apr 18, 2013
priority date (Note) -
Abandoned
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Abstract
Disclosed is a method of operating an immediate value in an extendable instruction set computer (EISC) processor, comprising: checking whether or not an unsigned immediate value is used to generate an extension register (ER) value for operating an immediate value; and generating the ER value by performing zero extension for the unsigned immediate value using an unsigned load extension register with immediate (ULERI) instruction if the unsigned immediate value is used. It is possible to improve operational efficiency by preventing an LERI instruction from being unnecessarily executed when an immediate value is operated using a 16-bit instruction in the EISC processor.
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