G - Physics – 06 – F
Patent
G - Physics
06
F
354/230.87
G06F 9/38 (2006.01) G06F 9/28 (2006.01)
Patent
CA 1166756
ABSTRACT OF THE DISCLOSURE The present invention provides an improvement in a pipeline control system for a computer. Thus, in such a system in which the flows of processings successively proceed through a plurality of processing stages, pre- determined tag data are given to each of the processing stages to simultaneously effect the processings through the processing stages so that a plurality of processing flows proceed successively while maintaining a time lag. With this invention, the improvement resides in storing the predetermined tag data in a plurality of tag registers during the step of executing a first sequence of operation flows in order to repetitively execute the flow of process-ing which is based on the same tag data. The required tag is selected from the tags stored in the tag registers in steps for executing second and subse- quent operation flows in which the same operation flows will be repeated. Thus, an execution is initiated from the second phase without executing the first phase. The system of this invention increases the operation speed of a pipeline computer system by eliminating the additional operation flow which has hitherto been employed when one instruction was to be switched to another instruc- tion.
356690
Fujitsu Limited
Mcfadden Fincham
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