Apparatuses and programs for implementing a forwarding function

Details Apparatuses and programs for implementing a forwarding function Apparatuses and programs for implementing a forwarding function

2011-07-05

2011-07-05

Alrobaye, Idriss N (Department: 2183)

Electrical computers and digital processing systems: processing

Dynamic instruction dependency checking, monitoring or...

Commitment control or register bypass

C712S200000

Reexamination Certificate

active

07975128

ABSTRACT:
The processor according to the present invention is a processor having a forwarding function and includes an attribute information holding unit (141) that holds attribute information regarding inhibition of writing to a register and a register write inhibition circuit (126) that holds, when forwarding is performed, the writing of the data forwarded according to attribute information. The attribute information holding unit (141) holds the attribute information by relating the attribute information to at least one register. Alternatively, the attribute information holding unit is a part of plural pipeline buffers and passes the attribute information along with the data to be forwarded, to a pipeline buffer in a subsequent stage.

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