Language Processors
In analyzing the compilation of PL/I program, the term "Machine independent optimization" is associated with

recognition of basic elements and creation of uniform symbols
use of macro processor to produce more optimal assembly code
recognition of basic syntactic constructs through reductions
creation of more optional matrix

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Language Processors
The advantage(s) of incorporating the macro processor into pass 1 is/ are:

Functions are combined and it is not necessary to create intermediate files as output from the macro processor and input to the assembler
more flexibility is available to the programmer in which he/she may use all the features of the assembler in conjunction with macros
All of these
many functions do not have to be implemented twice

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Language Processors
The function(s) of the Storage Assignment is/are:

All of these
to assign storage to all variables referenced in the source program
to assign storage to literals, and to ensure that the storage is allocated and appropriate locations are initialized
to assign storage to all temporary locations that are necessary for intermediate results

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Language Processors
A relocate program form is the one which

consists of a program and relevant information for its relocation
All of these
can itself perform the relocation of its address-sensitive portions
cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation

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