Invention Grant
US07865700B2 System and method for prioritizing store instructions 失效
用于优先考虑存储指令的系统和方法

System and method for prioritizing store instructions
Abstract:
The present invention provides a system and method for prioritizing store instructions in a cascaded pipeline. The system includes a cascaded delayed execution pipeline unit having a plurality of execution pipelines that execute instructions in a common issue group in a delayed manner relative to each other. The system further includes circuitry configured to: (1) receive an issue group of instructions; (2) determine if at least one store instruction is in the issue group, if so scheduling the least one store instruction in a one of the plurality of execution pipelines based upon a first prioritization scheme; (3) determine if there is an issue conflict for one of the plurality of execution pipelines and resolving the issue conflict by scheduling the at least one store instruction in a different execution pipeline; (4) schedule execution of the issue group of instructions in the cascaded delayed execution pipeline unit.
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