The IBM XL C/C++ V10.1 and IBM XL Fortran V12.1 compilers have been released for both the AIX and Linux platforms. The XL C/C++ V10.1 compilers include full support for OpenMP V3.0. The XL Fortran V12.1 compilers include support for a subset of OpenMP V3.0 features.
For details and trial downloads, please refer to
http://www-01.ibm.com/software/awdtools/fortran/ for XL Fortran and to
http://www-01.ibm.com/software/awdtools/xlcpp/ for XL C/C++.