Apparatus and method for maintaining a floating point data...

Details Apparatus and method for maintaining a floating point data... Apparatus and method for maintaining a floating point data...

2007-02-27

2007-02-27

Coleman, Eric (Department: 2183)

Electrical computers and digital processing systems: processing

Dynamic instruction dependency checking, monitoring or...

Commitment control or register bypass

Reexamination Certificate

active

10212911

ABSTRACT:
An apparatus and method for maintaining a floating point data segment selector are described. In one embodiment, the method includes the detection of a micro-operation of a memory referencing macro-instruction from one or more micro-operations to be retired during a system clock cycle. When the detected micro-operation triggers an event, a micro-code event handler is triggered to initiate an update of a floating point data segment selector information associated with the detected micro-operation. Otherwise, FDS update device is triggered to update the floating point data segment selector information associated with the detected micro-operation.

REFERENCES:
patent: 5721857 (1998-02-01), Glew et al.
patent: 5884062 (1999-03-01), Wichman et al.
patent: 6049868 (2000-04-01), Panwar
patent: 6282636 (2001-08-01), Yeh et al.
patent: 6442707 (2002-08-01), McGrath et al.
patent: 6934832 (2005-08-01), Van Dyke et al.

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