Apparatus and method for efficient gather and scatter operations

An apparatus and method are described for performing efficient gather operations in a pipelined processor. For example, a processor according to one embodiment of the invention comprises: gather setup logic to execute one or more gather setup operations in anticipation of one or more gather operatio...

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Bibliographische Detailangaben
Hauptverfasser: Forsyth Andrew T, Wu Lisa K, Grochowski Edward T, Bradford Dennis R, Upton Michael D, Chrysos George Z
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:An apparatus and method are described for performing efficient gather operations in a pipelined processor. For example, a processor according to one embodiment of the invention comprises: gather setup logic to execute one or more gather setup operations in anticipation of one or more gather operations, the gather setup operations to determine one or more addresses of vector data elements to be gathered by the gather operations; and gather logic to execute the one or more gather operations to gather the vector data elements using the one or more addresses determined by the gather setup operations.