METHOD AND SYSTEM TO COMBINE CORRESPONDING HALF WORD UNITS FROM MULTIPLE REGISTER UNITS WITHIN MICROPROCESSOR

PROBLEM TO BE SOLVED: To combine corresponding half word units from multiple register units by carrying out a single instruction.SOLUTION: An instruction is carried out to: combine corresponding half word units from source register units; input the half word units into respective portions of a resul...

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Bibliographic Details
Main Authors MAO ZENG, LUCIAN CODRESCU
Format Patent
LanguageEnglish
Published 05.12.2013
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To combine corresponding half word units from multiple register units by carrying out a single instruction.SOLUTION: An instruction is carried out to: combine corresponding half word units from source register units; input the half word units into respective portions of a resulting destination register unit; identify the predetermined source register units; and retrieve corresponding most significant half word units and associated data from the identified register units. The retrieved half word units are combined and input into a corresponding most significant portion of the resulting destination register unit. Similarly, corresponding least significant half word units and associated data are retrieved from the identified register units; and the retrieved half word units are combined and input into a corresponding least significant portion of the resulting register unit. Finally, the resulting destination register unit is stored in the register file structure for further processing.
Bibliography:Application Number: JP20130142053