Assignment of microprocessor register tags at issue time

Provided is a method for assigning register tags to instructions at issue time. The method comprises receiving an instruction for execution by a microprocessor. The method further comprises dispatching the instruction to an issue queue without assigning a register tag to the instruction. The method...

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Bibliographische Detailangaben
Hauptverfasser: Dung Nguyen, Brian David Barrick, Jentje Leenstra, Brian Thompto, Steven Battle
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Provided is a method for assigning register tags to instructions at issue time. The method comprises receiving an instruction for execution by a microprocessor. The method further comprises dispatching the instruction to an issue queue without assigning a register tag to the instruction. The method further comprises determining that the instruction is ready to issue. In response to determining that the instruction is ready to issue, the method comprises assigning an available register tag to the instruction. The method further comprises issuing the instruction.