Method for converting a source program having a loop including a

Details Method for converting a source program having a loop including a Method for converting a source program having a loop including a

1987-02-10

1989-02-21

Zache, Raulfe B.

Boots, shoes, and leggings

G06F 100

Patent

active

048071269

ABSTRACT:
A method for converting a source program having a loop including a control statement into an object program including the steps of detecting from the statements of a first loop of a source program a control statement (an inductive control statement) having a control expression; detecting based on the control expression a turning form indicating whether a change of a turning number representing a loop iteration count indicates changes from values for a successful branch to values for an unsuccessful branch or vice versa and a turning point type indicating whether the turning number is an initial iteration count, a final iteration count, or an intermediate iteration count of the first loop; generating a string of statements having a loop not including the control statement and generating an execution result identical to an execution result of the first loop based on the first loop, the turning number, the turning form and the turning point type detected on the control statement; and converting the generated string of statements into an object code.

REFERENCES:
patent: 4398249 (1983-08-01), Pardo et al.
Hitac S-810 Fortran, Vo S3 Fort 77/HAP, Aoyama et al., pp. 23-27.
Umetani et al., A Vectorization Algorithm for Control Statements, Journal of Information Processing, vol. 7, No. 3, 1984, pp. 170-174.

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