Method and apparatus for frame elimination for simple procedures

Details Method and apparatus for frame elimination for simple procedures Method and apparatus for frame elimination for simple procedures

1997-05-29

2000-08-08

Swann, Tod B.

G06F 945

Patent

active

061013269

ABSTRACT:
The invention relates to a method and apparatus for stack frame elimination for simple procedures with tail calls. Subject to certain prerequisite constraints, the invention modifies the procedure by converting all tail calls to direct branches. The code in the computer program for constructing and deconstructing the stack frame is eliminated. In a preferred embodiment of the invention, dead code elimination is performed on unreachable code. In an alternative, equally preferred embodiment, dead code is retained in the computer program.

REFERENCES:
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patent: 5481708 (1996-01-01), Kukol
patent: 5522072 (1996-05-01), De Bruler
patent: 5590332 (1996-12-01), Baker
patent: 5659754 (1997-08-01), Grove et al.
patent: 5794041 (1998-08-01), Law et al.

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