Invention Grant
US08364937B2 Executing misaligned load dependent instruction in second execution stage in parity protected mode in configurable pipelined processor 有权
在可配置流水线处理器中,在奇偶校验保护模式的第二个执行阶段执行未对齐的负载相关指令

Executing misaligned load dependent instruction in second execution stage in parity protected mode in configurable pipelined processor
Abstract:
A method includes providing a data processor having an instruction pipeline, where the instruction pipeline has a plurality of instruction pipeline stages, and where the plurality of instruction pipeline stages includes a first instruction pipeline stage and a second instruction pipeline stage. The method further includes providing a load instruction and a data-dependent instruction to the instruction pipeline. Based on an operating mode, such as ECC mode or parity mode, the data-dependent instruction may execute in either the first of the second instruction pipeline stage. Further, the execution of the data-dependent instruction may depend on whether the most recently executed instruction was misaligned.
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