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IBM XL C/C++ Compilers

Built on a common code base for easier porting of your applications between platforms, IBM XL C and C++ compilers offer advanced compiler and optimization technologies. The compilers comply with the latest C/C++ international standards and industry specifications,helping support a large array of common language features.

What's new in IBM XL C/C++ for AIX and Linux, Version 12.1

Version 12.1 of IBM XL C/C++ introduces language support to help you port code easily to IBM Power Systems and improved compilation time at commonly used optimization levels. This article describes these and other enhancements.  More >

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  • A guide to inline assembly for C and C++

    The authors first describe basic usage syntax for inline assembly (inline asm) embedded within C and C++ programs. Then they explain intermediate and advanced concepts, including addressing modes, branching stanzas, memory clobbers, volatile attributes, and multithreaded locks.

  • What's new in XL C/C++ for z/VM, V1.3

    IBM XL C/C++ for z/VM compiler delivers various performance and usability enhancements for the z/OS V1R12 release. Get the details on these feature and all other aspects of the compiler in the relevant compiler documentation.

  • Improve the performance of programs calling mathematical functions

    Learn how you can benefit from IBM MASS high-performance mathematical libraries combined with the auto-vectorization capabilities of IBM compilers.

  • Maximizing system performance with compilers from IBM System z

    Get to know the features and benefits of C/C++, COBOL and PL/I compiler products for the IBM z/OS platform and see how IBM's flexible compiler products focus not only on providing portability and reliability, but also on modernizing legacy applications and maximizing application performance.

  • Trial download: XL C/C++ for AIX

    Download and explore support for the latest POWER7 processor architecture, a wide range of optimizing features, new diagnostic reports, and new and enhanced compiler options and directives.

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