Patent ID: 6192466
Filing Date: 2001-02-20
Classification: G06F

Abstract:
A pipeline control system comprising:a plurality of operation stages for processing instructions, the operation stages including at least one instruction issue stage including buffers wherein instructions wait to be issued;means for issuing the instructions;means for analyzing the issued instructions to determine if the issued instructions are to be aborted and reissued; andmeans for directly returning the aborted instructions to be reissued to the at least one instruction issue stage without communicating that instructions have been aborted to other stages of the plurality of operational stages such that the instructions are reissued by the means for issuing the instructions while the operational stages continue to process instructions,the means for directly returning the aborted instructions further including a mechanism coupled to a stage of the plurality of stages the mechanism being directly connected to the at least one issue stage for communicating the aborted instructions directly to the at least one instruction issue stage.