Method and apparatus for providing multiple condition code field

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395775, 364DIG1, 3642473, 3642318, 3642426, G06F 9312

Patent

active

051250926

ABSTRACT:
A computer system includes a condition register having multiple fields. Each field may be used as an independent condition register. A compiler which generates executable code for the computer system assigns instructions to different fields, allowing condition values to be saved while other conditions are evaluated and allowing consecutive instructions which generate or test condition values to be overlapped in their execution.

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Improved Condition Code and Branch Handling for Model 91-Like Implementation of the IBM System/370 Architecture by T. K. M. Agerwala (pp. 134, 135).

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