--- a/src/internal/cpu/cpu_arm64_ios.go
+++ b/src/internal/cpu/cpu_arm64_ios.go
@@ -0,0 +1,14 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build arm64 && ios
+
+package cpu
+
+func osInit() {
+	ARM64.HasAES = true
+	ARM64.HasPMULL = true
+	ARM64.HasSHA1 = true
+	ARM64.HasSHA2 = true
+}
--- a/src/internal/cpu/cpu_arm64_other.go
+++ b/src/internal/cpu/cpu_arm64_other.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build arm64 && !linux && !freebsd && !android && (!darwin || ios) && !openbsd
+//go:build arm64 && !linux && !freebsd && !android && !darwin && !openbsd
 
 package cpu