Typical errors of porting C++ code on the 64-bit platform

06 Apr 2008 | by | Filed in
Page 22 of 25
  1. Introduction
  2. Off-warnings
  3. Use of the functions with a variable number of arguments
  4. Magic numbers
  5. Bit shifting operations
  6. Storing of pointer addresses
  7. Memsize types in unions
  8. Change of an array type
  9. Virtual functions with arguments of memsize type
  10. Serialization and data exchange
  11. Pointer address arithmetic
  12. Arrays indexing
  13. Mixed use of simple integer types and memsize types
  14. Implicit type conversions while using functions
  15. Overload functions
  16. Data alignment
  17. The use of outdated functions and predefined constants
  18. Explicit type conversions
  19. Error diagnosis
  20. Unit test
  21. Code review
  22. Built-in means of compilers
  23. Static analyzers
  24. Conclusion
  25. Resources

Built-in means of compilers

Compilers allow to solve some problems of searching defect code. They often have built-in different mechanisms for diagnosing errors observed. For example, in Microsoft Visual C++ 2005 the following keys may be useful: /Wp64, /Wall, and in SunStudio C++ key –xport64.

Unfortunately, the possibilities they provide are often not enough and you should not rely only on them. But in any case it is highly recommended to enable the corresponding options of a compiler for diagnosing errors in the 64-bit code.

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