diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/llvm_util.rs')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/llvm_util.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index 5552b381025..dbce7f43e62 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -615,6 +615,11 @@ pub(crate) fn global_llvm_features(sess: &Session, diagnostics: bool) -> Vec<Str .flatten(); features.extend(feats); + // -Zfixed-x18 + if sess.opts.unstable_opts.fixed_x18 { + features.push("+reserve-x18".into()); + } + if diagnostics && let Some(f) = check_tied_features(sess, &featsmap) { sess.dcx().emit_err(TargetFeatureDisableOrEnable { features: f, |