List of Batch Compiler Options and Their Defaults
Options that Define the Compiler Object Code Produced
Equivalent Batch Compile-Link and Incremental Build Options
| Option Type | Default Value | #pragma options | C | C++ |
| -qoption | nofdpr | - | x | x |
Syntax
-qfdpr | -qnofdpr
Purpose
Collects information about your program for use with the AIX fdpr
(Feedback Directed Program Restructuring) performance-tuning utility.
Notes
You should compile your program with -qfdpr before optimizing it
with the fdpr performance-tuning utility. Optmization data is stored in
the object file.
For more information on using the fdpr performance-tuning utilty, refer to the AIX Version 4 Commands Reference or enter the command:
man fdpr
Example
To compile myprogram.c so it include data required by the fdpr utility,
enter:
xlC myprogram.c -fdpr
List of Batch Compiler Options and Their Defaults
Options that Define the Compiler Object Code Produced
Equivalent Batch Compile-Link and Incremental
Build Options
