Decimal floating-point processor

A method for operating a decimal-floating point (DFP) processor. The method includes identifying a first op-code requiring read access to a first plurality of DFP operands in a vector register of the DFP processor; granting read access from a first port of the vector register to a first execution un...

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Bibliographische Detailangaben
Hauptverfasser: RAAFAT RAMY, HASSAN MAHMOUD Y, FAHMY HOSSAM ALY HASSAN, ELDEEB TAREK, ELHOSINY AMR, ALY YASMEN
Format: Patent
Sprache:eng
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Zusammenfassung:A method for operating a decimal-floating point (DFP) processor. The method includes identifying a first op-code requiring read access to a first plurality of DFP operands in a vector register of the DFP processor; granting read access from a first port of the vector register to a first execution unit of the DFP processor selected to execute the first op-code; initializing a read pointer of the first port; reading out, from the first port and based on the read pointer, a first DFP operand of the plurality of DFP operands in response to a read request from the first execution unit; and adjusting the read pointer of the first port in response to reading out the first DFP operand.