The Getting Started with GCC-1750 describes the steps, required to install the GCC-1750 tool-set, and to prepare and run a simple program.
The Getting Started with GCC-ERC32 describes the steps, required to install the GCC-ERC32 tool-set, and to prepare and run a simple program.
The XGC Libraries documents the library functions available with the XGC C and C++ compilers.