Re-fetch of long operand buffered remainder after cache line...

Details Re-fetch of long operand buffered remainder after cache line... Re-fetch of long operand buffered remainder after cache line...

2006-08-08

2006-08-08

Kim, Kenneth S. (Department: 2111)

Electrical computers and digital processing systems: processing

Processing control

Processing control for data transfer

C711S141000

Reexamination Certificate

active

07089408

ABSTRACT:
A system and method to re-fetch operand data lost for instructions with operands greater than eight bytes in length due to line invalidation due to storage update from a single or plurality of processors in a multiprocessor computer system using microprocessors that perform out of order operand fetch with respect to sequential program order in which it is not possible or desirable to kill the execution of the instruction when the storage access rules require that it appear that the operand data is accessed in program execution order.

REFERENCES:
patent: 4189768 (1980-02-01), Liptay et al.
patent: 5185871 (1993-02-01), Frey et al.
patent: 5511175 (1996-04-01), Favor et al.
patent: 6557084 (2003-04-01), Freerksen et al.
patent: 6606702 (2003-08-01), Guthrie et al.

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