Compact encoding for storing integer multiplication Sequences

Details Compact encoding for storing integer multiplication Sequences Compact encoding for storing integer multiplication Sequences

1996-03-18

1998-06-09

Voeltz, Emanuel Todd

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395701, 395709, 395710, 395389, 395384, 395587, 395562, 3642804, 3642805, 36474501, 36473601, 3642582, 3642624, G06F 945

Patent

active

057649901

ABSTRACT:
An efficient sequence of ALU instructions that performs multiplication by a constant is readily generated by using a simple lookup table to determine the most efficient sequence of ALU instructions for a given integer X during compile time.

REFERENCES:
patent: 5170475 (1992-12-01), Wright et al.
patent: 5184317 (1993-02-01), Pickett
patent: 5337415 (1994-08-01), DeLano et al.
patent: 5687360 (1997-11-01), Chang
Granlund, "Division by Invariant Integers using Multiplication", SIGPLAN 94-6/94.
Bernstein, "Multiplication by Integer Constants", Software--Practice and Experience, vol. 16(7).

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