Elimination of potential renaming stalls due to use of...

Details Elimination of potential renaming stalls due to use of... Elimination of potential renaming stalls due to use of...

2007-01-09

2007-01-09

Treat, William M. (Department: 2181)

Electrical computers and digital processing systems: processing

Dynamic instruction dependency checking, monitoring or...

Scoreboarding, reservation station, or aliasing

C712S219000

Reexamination Certificate

active

10608121

ABSTRACT:
Two or more pointers, each of which indicates where values of a respective group of bits of a source of a particular micro-operation will be found when the particular micro-operation is executed, may not all point to the same register. Renaming of the source of the particular micro-operation may be enabled by generating one or more new micro-operations that merge the values into a single register. The one or more new micro-operations are inserted into a sequence of micro-operations that includes the particular micro-operation. Once the source of the particular micro-operation has been renamed, subsequent micro-operations in the sequence may be renamed, if appropriate, and executed, without having to wait for the values to be calculated.

REFERENCES:
patent: 5471633 (1995-11-01), Colwell et al.
patent: 5951670 (1999-09-01), Glew et al.
patent: 6560083 (2003-05-01), Nguyen

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