cdavis5x added a comment. In http://reviews.llvm.org/D1623#212706, @rnk wrote:
> We can easily codegen `__builtin_ms_va_start()` and `end()` to `llvm.vastart` > / `llvm.vaend`, because the first *has* to live in the win64 function and the > second is a no-op. We should remove the FIXME about lowering > `__builtin_ms_va_arg()` in LLVM instead of clang, because you can use it from > a SysV function and it should work: consider implementing Win64 printf by > calling an internal SysV vfprintf implementation. We also need to implement > `__builtin_ms_va_copy()` in Clang for the same reason, but that's easy, since > it's always a simple pointer load and store. > > Charles, are you actively working on this or should I just fix up the patch > and submit it? Stand by. I have a new version of this patch to upload that does all those things. http://reviews.llvm.org/D1623 _______________________________________________ cfe-commits mailing list cfe-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
