Portability and migration

The options in this category can help you maintain application behavior compatibility on past, current, and future hardware, operating systems and compilers, or help move your applications to an XL compiler with minimal change.
Table 1. Portability and migration options
Option name Description
-fpack-struct (-qalign)

Specifies the alignment of data objects in storage, which avoids performance problems with misaligned data.
Parent topic: Summary of compiler options by functional category


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