Data processor having multistage store buffer for processing exc

Details Data processor having multistage store buffer for processing exc Data processor having multistage store buffer for processing exc

1994-02-23

1995-08-08

Bowler, Alyssa H.

Boots, shoes, and leggings

395375, 3642318, 3642302, 3642616, 364DIG1, G06F 938

Patent

active

054407575

ABSTRACT:
A data processor having multistage store buffer and constructed such that, when an exception occurs at the time point where unprocessed data is present in the store buffer, the exception processing is performed by saving in a predetermined area of a memory an unprocessed data in the store buffer, an instruction address related thereto, an instruction address in the execution completion step in the execution stage, an storing destination address and information necessary for performing the storing processing, and returning to the instruction sequence starting the exception after writing the unprocessed data to the storing destination address according to these information or checking recursively whether the unprocessed data is saved.

REFERENCES:
patent: 4985825 (1991-01-01), Webb, Jr. et al.
patent: 5008812 (1991-04-01), Bhandarkar et al.
patent: 5095426 (1992-03-01), Senta
patent: 5119483 (1992-06-01), Madden et al.
patent: 5142635 (1992-08-01), Saini
patent: 5148529 (1992-09-01), Ueda et al.
patent: 5155816 (1992-10-01), Kohn

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