Stack of variable length operands and method for use

Details Stack of variable length operands and method for use Stack of variable length operands and method for use

2007-11-27

2007-11-27

Chan, Eddie (Department: 2183)

Electrical computers and digital processing systems: processing

Architecture based instruction processing

Stack based computer

C712S200000

Reexamination Certificate

active

10030106

ABSTRACT:
An operand stack (10) permits optimization of memory space and a continuous check of operand type by creating a type memory (20) which stores type information for each operand, said information comprising information about the length of the operand.This length information available for each single operand permits the operands to be stored extremely densely, while the prior art uses uniform length stack elements for each operand, their length depending on the longest operand.

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IBM. “Storing Variable Length Data in a Circular Buffer.” IBM Technical Disclosure Bullentin, Mar. 1993. vol. 36, Is. 3. p. 491-494.
“Storing Variable Length Data in a Circular Buffer”, IBM Technical Disclosure Bulletin, vol. 36, No. 3, Mar. 1993, XP 000354850, pp. 491-493.

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