Scoreboard mechanism for serialized string operations utilizing the XER

1. Technical Field An XER scoreboard function is provided by utilizing the instruction sequencer unit scoreboard. A scoreboard bit is set if the XER is being used by a previous instruction. If a new instruction is fetched that uses the XER, a dummy read to the XER is generated to test the scoreboard...

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Bibliographische Detailangaben
Hauptverfasser: Kahle, James Allan, Le, Hung Qui, Eisen, Lee Evan, Derrick, John Edward, Hay, Robert William
Format: Patent
Sprache:eng
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