Optimized variable allocation method, optimized variable allocat

Details Optimized variable allocation method, optimized variable allocat Optimized variable allocation method, optimized variable allocat

1997-10-24

2000-02-08

Hafiz, Tariq R.

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

395705, 395707, 395708, 711100, G06F 945

Patent

active

060235837

ABSTRACT:
An input module reads a source program, and a language translating module performs language translation on the entered source program to generate intermediate code. A dependency relation analyzing module analyzes a dependency relation among the functions contained in the intermediate code, and a variable definition retrieving module obtains from the analyzed dependency relation the execution-time access frequency of each variable. A variable allocating module allocates frequently-accessed variables in a low-order area. A code generating module generates object code from the intermediate code containing information on the allocated variables, and an outputting module outputs the generated object code.

REFERENCES:
patent: 5530866 (1996-06-01), Koblenz et al.
patent: 5659704 (1997-08-01), Burkes et al.
Lai-Hsieh, Reducing Procedure Call Overhead: Optimizing Register Usage at Procedure Call, IEEE, Jun. 1994.
Sugino-Nishihara, Memory Allocation Methods for a DSP with Indirect Addressing Modes and their Application to Compliers, IEEE, Jun. 1997.
Dejean-Zobrist, Definition optimization technique used in a code translation algorithm, ACM, Jan. 1989.

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