2 files changed, 6 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs
index 8eef06f018f..728f1224dd8 100644
--- a/compiler/rustc_codegen_llvm/src/lib.rs
+++ b/compiler/rustc_codegen_llvm/src/lib.rs
@@ -13,7 +13,6 @@
 #![feature(in_band_lifetimes)]
 #![feature(iter_zip)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![recursion_limit = "256"]
 
 use back::write::{create_informational_target_machine, create_target_machine};
diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs
index 6101b90aea6..387062a671d 100644
--- a/compiler/rustc_codegen_llvm/src/llvm_util.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs
@@ -152,6 +152,12 @@ pub fn to_llvm_feature<'a>(sess: &Session, s: &'a str) -> &'a str {
         ("x86", "avx512vpclmulqdq") => "vpclmulqdq",
         ("aarch64", "fp") => "fp-armv8",
         ("aarch64", "fp16") => "fullfp16",
+        ("aarch64", "fhm") => "fp16fml",
+        ("aarch64", "rcpc2") => "rcpc-immo",
+        ("aarch64", "dpb") => "ccpp",
+        ("aarch64", "dpb2") => "ccdp",
+        ("aarch64", "frintts") => "fptoint",
+        ("aarch64", "fcma") => "complxnum",
         (_, s) => s,
     }
 }