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authorTommy Chiang (oToToT) <ty1208chiang@gmail.com>2022-11-29 02:48:33 +0800
committerTommy Chiang (oToToT) <ty1208chiang@gmail.com>2022-11-29 14:25:46 +0800
commit382dba52ee0c6142d9a3774d735962797c043fab (patch)
treed26e8a584557c22f0482902e8ed253bf2b76eb1e /compiler/rustc_codegen_llvm
parent8a09420ac48658cad726e0a6997687ceac4151e3 (diff)
downloadrust-382dba52ee0c6142d9a3774d735962797c043fab.tar.gz
rust-382dba52ee0c6142d9a3774d735962797c043fab.zip
v8a as default aarch64 target
After https://github.com/llvm/llvm-project/commit/8689f5e landed, LLVM takes the intersection of v8a and v8r as default.
This commit brings back v8a support by explicitly specifying v8a in the feature list.

This should solve #97724.
Diffstat (limited to 'compiler/rustc_codegen_llvm')
-rw-r--r--compiler/rustc_codegen_llvm/src/llvm_util.rs5
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 bc3a94a4027..dac19b8656d 100644
--- a/compiler/rustc_codegen_llvm/src/llvm_util.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs
@@ -491,6 +491,11 @@ pub(crate) fn global_llvm_features(sess: &Session, diagnostics: bool) -> Vec<Str
         .flatten();
     features.extend(feats);
 
+    // FIXME: Move v8a to target definition list when earliest supported LLVM is 14.
+    if get_version() >= (14, 0, 0) && sess.target.arch == "aarch64" {
+        features.push("+v8a".into());
+    }
+
     if diagnostics && let Some(f) = check_tied_features(sess, &featsmap) {
         sess.emit_err(TargetFeatureDisableOrEnable {
             features: f,