Tiny C compiler, programmed in C with compiler/linker/assembler included. VERY fast and mainly usable as a library. WIN32 port of the http://tinycc.org version. Compiles code to memory currently, perhaps disk soon. Go to the homepage for more info.
Truly compact and easy to use. I tried on a Windows 8.1 Professional 64 bit machine and it works fine.
Thanks for Tinycc-win32, it's perfect!