EFFICIENT USAGE OF A MULTI-LEVEL REGISTER FILE UTILIZING A REGISTER FILE BYPASS

摘要

A register file bypass controller in communication with a bypass register, the register file bypass controller configured to receive a register file bypass request; determine whether to grant the register file bypass request; determine whether data identified by the register file bypass request is present in the bypass register in response to determining to grant the register file bypass request; determine a storage location in the bypass register in response to determining the data identified by the register file bypass request is not present in the bypass register; determine to store the data identified by the register file bypass request in the storage location; and notify an execution unit to cancel instruction execution associated with the data identified by the register file bypass request.

主权项

1. A method for utilizing a register file bypass, the method comprising:
receiving a register file bypass request; determining whether to grant the register file bypass request; determining whether data identified by the register file bypass request is present in a bypass register in response to determining to grant the register file bypass request; determining a storage location in the bypass register in response to determining the data identified by the register file bypass request is not present in the bypass register; determining to store the data identified by the register file bypass request in the storage location; and notifying an execution unit to cancel instruction execution associated with the data identified by the register file bypass request.