Legacy IBM XL C/C++ compilers are still available for use Check out legacy IBM XL C/C++ content IBM® Open XL C/C++ for AIX® details Adoption of the Clang and LLVM infrastructures Read the data sheet Fully incorporates the Clang and LLVM compiler infrastructure. Enables you to enjoy modern C/C++ language features and common LLVM optimization features such as LLVM diagnostic and reporting capabilities. Exploitation of the latest Power10 architecture Learn more Fully exploits Power10 architecture. Provides Power10 architecture option, built-in functions, and tuned library functions to maximize the hardware ROI. Link Time Optimization (LTO) Learn more Provides program optimization during linking. Enables you to take advantage of intermodular optimizations without making any significant changes to the makefiles or build system. Profile Guided Optimization (PGO) Learn more Provides compiler optimization technique in computer programming that uses profiling to improve program runtime performance. High-performance libraries Learn more Provides a set of libraries for high-performance mathematical computing including the Mathematical Acceleration Subsystem (MASS) and Basic Linear Algebra Subprograms (BLAS). Optimization reports Learn more Provides information to help you utilize compiler features to optimize your applications. Technical details Software requirements IBM Open XL C/C++ for AIX 17.1.0 is supported on the following operating system: IBM AIX V7.2 TL5 SP3 IBM AIX 7.3 Learn more Hardware requirements IBM Open XL C/C++ for AIX 17.1.0 has the following hardware requirements: Hard disk space: 500 MB RAM: 2 GB minimum; 4 GB or more recommended Learn more You may also be interested in IBM XL C for AIX A high-performance compiler for developing complex C programs. IBM Open XL Fortran for AIX A high-performance compiler for developing complex Fortran programs. IBM XL C/C++ for Linux A high-performance compiler for developing complex C/C++ programs. IBM XL Fortran for Linux A high-performance compiler for developing complex Fortran programs. IBM Compilers Product Family IBM compilers build improved system performance into applications that fully exploit IBM architectures. Expert resources to help you succeed Support Find solutions by using support search or open a support case. Documentation Get information about how to maintain and use the product. Community Get technical tips and insights from others who use this product.