Compare and delay instructions

A delay facility is provided in which program execution may be delayed until a predefined event occurs, such as a comparison of memory locations results in a true condition, a timeout is reached, an interruption is made pending or another condition exists. The delay facility includes one or more com...

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Bibliographische Detailangaben
Hauptverfasser: Jacobi, Christian, Mitran, Marcel, Gainey, Jr., Charles W, Greiner, Dan F, Slegel, Timothy J, Schmidt, Donald W
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A delay facility is provided in which program execution may be delayed until a predefined event occurs, such as a comparison of memory locations results in a true condition, a timeout is reached, an interruption is made pending or another condition exists. The delay facility includes one or more compare and delay machine instructions used to delay execution. The one or more compare and delay instructions may include a 32-bit compare and delay (CAD) instruction and a 64-bit compare and delay (CADG) instruction.