"The IBM XL C/C++ Advanced Edition for Linux is a standards-based, command-line compiler for Linux running on Power Architecture processor-based systems. Besides exploiting the capabilities of the IBM POWER4, POWER5, and PowerPC 970 processors, it also adds support for the new POWER5+ processor. This article introduces the new features added in the XL C/C++ V8.0 for Linux compiler and highlights the various differences between the GNU gcc and g++ compilers (referred to as GCC) and XL C/C++.
"This article refers to IBM XL C/C++ Advanced Edition V8.0 for Linux as XL C/C++. The term Linux on POWER refers to the Linux operating system running on IBM Power Architecture technology-based systems..."
