POWER9 compiler options

Use the -qarch and -qtune options to utilize the POWER9 technology.

-qarch=pwr9
Specifying -qarch=pwr9 produces object code that contains instructions that utilize the POWER9 technology.
For more information, see -qarch=pwr9.
-qtune=pwr9
If you specify -qtune=pwr9, optimizations are tuned to utilize the POWER9 technology.
For more information, see -qtune=pwr9.


Voice your opinion on getting help information Ask IBM compiler experts a technical question in the IBM XL compilers forum Reach out to us