https://issues.dlang.org/show_bug.cgi?id=18553
--- Comment #2 from github-bugzi...@puremagic.com --- Commits pushed to master at https://github.com/dlang/dmd https://github.com/dlang/dmd/commit/77bab61f3c4ad2fbd5cef4289677e926ff7771ef Fix issue 18553 - Allow mov reg64,crn and mov crn,reg64 Also add support for reading/writing the CR8 register on x64. https://github.com/dlang/dmd/commit/a73766db46abe86fd0c2e74ce60920b0a50669f0 Merge pull request #8017 from LemonBoy/b18553 Fix issue 18553 - Allow mov reg64,crn and mov crn,reg64 merged-on-behalf-of: Walter Bright <walterbri...@users.noreply.github.com> --