Method and apparatus to handle window management...

Details Method and apparatus to handle window management... Method and apparatus to handle window management...

2007-04-10

2007-04-10

Chan, Eddie (Department: 2183)

Electrical computers and digital processing systems: processing

Processing control

Context preserving (e.g., context swapping, checkpointing,...

Reexamination Certificate

active

10338438

ABSTRACT:
A method and apparatus for handling window management instructions without post serialization in an out-of-order multi-issue processor includes an instruction decode unit arranged to decode the window management instruction. A plurality of register windows are indexed by a current window pointer, and a working copy of the current window pointer is stored in a register in the instruction decode unit. The instruction decode unit uses the working copy of the current window pointer to handle the window management instruction.

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D.L. Weaver and T. Germond. “The Sparc Architecture Manual.” Version 9, Prentice Hall, Englewood Cliffs, New Jersey, 1994.
Marc Tremblay, Bill Joy and Ken Shin “A Three Dimensional Register File for Superscalar Processors” Proceedings of the 28th Annual Hawaii International Conference on System Sciences—1995—IEEE pp. 191-201.
PCT International Search Report for PCT/US2004/000303 (3 pages); and Notification of Transmittal of the International Search Report et al. (dated Jun. 22, 2004) (1 page).

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