Optimizing compiler for shortening execution time of object prog

Details Optimizing compiler for shortening execution time of object prog Optimizing compiler for shortening execution time of object prog

1994-02-28

1996-04-23

Heckler, Thomas M.

Boots, shoes, and leggings

364DIG1, 3642805, G06F 945

Patent

active

055111980

ABSTRACT:
An optimizing compiler has a function of determining whether the result of a statement to be executed precedent to a conditional branch statement is not referred to by one destination of the conditional branch statement. If the conditional branch statement is not influenced by the execution result of the precedent statement, the conditional branch statement is shifted in front of the precedent statement, to suppress the execution of the unnecessary statement. Therefore, the optimizing compiler shifts/copies conditional branch statements, to shorten the execution time of an object program.

REFERENCES:
patent: 4710872 (1987-12-01), Scarborough
patent: 5202995 (1993-04-01), O'Brien
patent: 5212794 (1993-05-01), Pettis et al.
patent: 5287510 (1994-02-01), Hall et al.
patent: 5293631 (1994-03-01), Rau et al.
patent: 5339420 (1994-08-01), Hoxey

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