Category
@PROCESS
None.
Purpose
Displays informational messages identifying statements that may cause problems with 32-bit to 64-bit migration.
This option aids in porting code from a 32-bit to a 64-bit environment by detecting the truncation of an 8-byte integer pointer to 4 bytes.
Defaults
-qnowarn64
Usage
You can use the -qwarn64 option in both 32-bit and 64-bit modes.
The compiler flags the following situations with informational messages:
- The assignment of a reference to the LOC intrinsic to an INTEGER(4) variable.
- The assignment between an INTEGER(4) variable or INTEGER(4) constant and an integer pointer.
- The specification of an integer pointer within a common block. We recommend the -qextchk option for common block length changes.
- The specification of an integer pointer within an equivalence statement.
You can use the -qextchk option and interface blocks for argument checking.