XL Fortran for AIX 8.1

User's Guide


The Compiler Phases

The typical compiler invocation command executes some or all of the following programs in sequence. As each program runs, the results are sent to the next step in the sequence.

  1. A preprocessor
  2. The compiler, which consists of the following phases:
    1. Front-end parsing and semantics handling
    2. Loop transformations
    3. Interprocedural analysis
    4. Optimization
    5. Register allocation
    6. Final assembly
  3. The assembler (for any .s files)
  4. The linker ld


[ Top of Page | Previous Page | Next Page | Table of Contents | Index ]