rjmccall added a comment. > Yes, there are no generically available libcalls for atomic float math -- but > that's okay -- let LLVM handle transform into a cmpxchg loop when required.
I suspect Yaxun's target cannot provide libcalls at all, which is why he wants to diagnose up-front. But I agree that we should be thinking about this uniformly, and that his target should be diagnosing *all* unsupported atomics. CHANGES SINCE LAST ACTION https://reviews.llvm.org/D71726/new/ https://reviews.llvm.org/D71726 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
