On Thu, 12 Sep 2019 at 15:49, Jianbin Fang <jianbinf...@yeah.net> wrote: > > Hello Guys,
Please don't cross-post to gcc@gcc.gnu.org and gcc-h...@gcc.gnu.org, pick one list, not both. > I am working on OpenCL for a couple of years, and would like to ask, as for > GCC, why not taking OpenCL C as a built-in language in its front-end? > > > > As we know, most OpenCL kernel compilers are built based on Clang/LLVM, and > now, Clang has taken the OpenCL C language as one of its built-in languages. > On the other hand, I found no OpenCL implementations which are based on GCC. > Do you have any idea of the reasons? I think the reason is that nobody has written such a front end. > I have this question because some devices may not have LLVM backends, but > only have their backends in GCC. In such a case, a natural way is to add a > new font-end into GCC, and build a kernel compiler based on the GCC compiling > passes. What are the difficulties behind this idea?