COPY A SUBSET OF STATUS FLAGS FROM A CONTROL AND STATUS REGISTER TO A FLAGS REGISTER

COPY A SUBSET OF STATUS FLAGS FROM A CONTROL AND STATUS REGISTER TO A FLAGS REGISTER

Techniques for copying a subset of status flags from a control and status register to a flags register in response to an instruction are described. An exemplary instruction includes a field for an opcode, the opcode to indicate execution circuitry is to copy from a first register a saturation flag v...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHARNEY, Mark, VALENTINE, Robert, MADDURI, Venkateswara, SHANBHOGUE, Vedvyas
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:Techniques for copying a subset of status flags from a control and status register to a flags register in response to an instruction are described. An exemplary instruction includes a field for an opcode, the opcode to indicate execution circuitry is to copy from a first register a saturation flag value, an overflow value, and a carry value to a second register into one or more instructions of a different instruction set.