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Address translation for sending real address to memory subsystem in effective address based load-store unit
Address translation for sending real address to memory subsystem in effective address based load-store unit
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机译:地址转换,用于在基于有效地址的负载存储单元中向存储子系统发送真实地址
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摘要
Technical solutions are described for executing one or more out-of-order instructions by a processing unit. An example method includes executing, by a load-store unit (LSU), instructions from an out-of-order (OoO) window. The OoO execution includes determining an effective address being used by a load instruction from the OoO window. Further, the execution includes determining presence of the effective address in an effective address directory (EAD) by identifying an EAD entry in the EAD, the EAD entry maps the effective address with an index of a corresponding effective-real table (ERT) entry from an effective-real table (ERT). In response to the effective address being present in the EAD, the execution includes accessing the corresponding ERT entry of the effective address of the load instruction, the corresponding ERT entry including a real address for the effective address, and issuing the load instruction using the real address from the corresponding ERT entry.
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