What IBM XL C for AIX can do for your business

IBM® XL C for AIX® is a compiler that facilitates the creation and maintenance of applications written in C for IBM Power Systems™. It generates code that leverages the capabilities of the POWER8® architecture and maximizes your hardware utilization.

Interested in support for the latest POWER9 architecture and full C11 standard? You need our new XL C/C++ for AIX compiler! The same C compiler available in XL C for AIX is fully covered by XL C/C++ for AIX. Trade-up part numbers or feature codes are provided to clients to trade up from their existing XL C for AIX to the new XL C/C++ for AIX compiler. More details at ibm.biz/xlc-aix-161.

Maximize your Power hardware ROI

Capitalizes on the POWER8 architecture; offer automatic parallelization of sequential programs to exploit modern multi-core processors.

Optimize application performance

Provides industry leading advanced optimization technologies including the high performance libraries, profile directed feedback (PDF) support, and interprocedural analysis (IPA).

Migrate applications to Power easily

Complies with the C99 and a subset of C11 programming language standards.

Improve developer productivity

Increases usability by providing diagnostic reports and symbolic debugger support; entity visibility attributes also improve efficiency of dynamic linking.

Obtain world-class IBM support

Comes with superior IBM service and support.

IBM XL C for AIX key features

  • Exploitation of the POWER8 architecture
  • Shared memory parallelization
  • High performance libraries
  • Profile-directed feedback (PDF)
  • Interprocedural analysis (IPA)
  • Language standard compliance
  • Diagnostic reports
  • Symbolic debugger support
  • Entity visibility attributes

Which option is right for you?

  • Authorized user


    One license per unique user

  • Concurrent user


    Shared access with multiple users

Buy now and get started