aheejin added a comment. In D57874#1389981 <https://reviews.llvm.org/D57874#1389981>, @sunfish wrote:
> > - `-matomics` means `-mthread-model posix` > > The others sound reasonable, though this one seems a little surprising -- a > user might have -matomics enabled because they're targeting a VM that has > atomics, but still not want to use -mthread-model posix because their code > doesn't actually using threads. As @sbc said, `-mthread-model` is only used in ARM and wasm backend to determine whether to lower away atomic instructions or not. So that the user gave `-matomics` means the VM can support atomic instructions, so even if we are not actually using threads, it's fine because the VM can handle them. Repository: rC Clang CHANGES SINCE LAST ACTION https://reviews.llvm.org/D57874/new/ https://reviews.llvm.org/D57874 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
