CPC G06F 1/14 (2013.01) [G06F 9/3001 (2013.01); G06F 9/4812 (2013.01); G06F 8/78 (2013.01)] | 20 Claims |
1. A computer program product for facilitating processing in a computing environment, said computer program product comprising:
one or more computer readable storage media and program instructions collectively stored on the one or more computer readable storage media to perform a method comprising:
obtaining a clock comparator sign control to be used to determine a type of operation to be used in a clock comparing operation used to control processing within a processor of the computing environment, the type of operation being selected from multiple types of operations including unsigned arithmetic and signed arithmetic; and
controlling the processing within the processor of the computing environment using the clock comparator sign control the controlling the processing comprising using the clock comparator sign control in a comparison of a value of a clock comparator and at least a portion of a value of a time-of-day clock to correctly determine whether a selected action is to be recognized by the processor, wherein the clock comparator is one size and the time-of-day clock is an extended time-of-day clock of a different size than the clock comparator, and wherein the time-of-day clock may overflow.
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