System for allocating the memory area of second data which value

Details System for allocating the memory area of second data which value System for allocating the memory area of second data which value

1995-05-19

2000-03-14

Lee, Thomas C.

395702, 395706, G06F 945

Patent

active

060383976

ABSTRACT:
A compiling method comprises the steps of analyzing the characters and phrases in the source code of a program, analyzing the syntax of the program, and analyzing the meaning of the program, a program division step of dividing the program into a plurality of processes, a data reference analysis step of analyzing the data reference relations among the individual processes obtained through the division of the program and extracting first data used only in one process of the program and second data the value of which need not be preserved in some processes of the program, a memory area allocation step of allocating the memory area for the above first data to another data in any process in which the above first data is not used and allocating the memory area for the above second data to another data in some processes in which the value of the above second data need not be preserved, and the step of generating and outputting the object code of the program.

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