Method, apparatus and computer program product for processing st

Details Method, apparatus and computer program product for processing st Method, apparatus and computer program product for processing st

1998-07-24

2000-12-26

Coleman, Eric

Electrical computers and digital processing systems: processing

Architecture based instruction processing

Stack based computer

711204, G06F 1136

Patent

active

061675040

ABSTRACT:
Apparatus, methods, and computer program products are disclosed that improve the operation of a computer that uses a top-of-stack cache by reducing the number of overflow and underflow traps generated during the execution of a program. The invention maintains a predictor value that controls the number of stack elements that are spilled from, or filled to, the top-of-stack cache in response to an overflow trap or an underflow trap (respectively). The predictor reflects the history of overflow traps and underflow traps.

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