-qwarn64
Description
Enables checking for possible data conversion problems between 32-bit and
64-bit compiler modes.
Syntax

.-nowarn64-.
>>- -q--+-warn64---+-------------------------------------------><
Notes
All generated messages have level Informational.
The -qwarn64 option functions in either 32-bit or
64-bit compiler modes. In 32-bit mode, it functions as a preview aid to discover
possible 32-bit to 64-bit migration problems.
Informational messages are displayed where data conversion may cause problems
in 64-bit compilation mode, such as:
- Truncation due to explicit or implicit conversion of long types
into int types
- Unexpected results due to explicit or implicit conversion of int types into long types
- Invalid memory references due to explicit conversion by cast operations
of pointer types into int types
- Invalid memory references due to explicit conversion by cast operations
of int types into pointer types
- Problems due to explicit or implicit conversion of constants into long types
- Problems due to explicit or implicit conversion by cast operations of
constants into pointer types
- Conflicts with pragma options arch in source files
and on the command line
Related information