diff --git a/src/internal/cpu/cpu_ppc64x_other.go b/src/internal/cpu/cpu_ppc64x_other.go
new file mode 100644
index 0000000..d5b629d
--- /dev/null
+++ b/src/internal/cpu/cpu_ppc64x_other.go
@@ -0,0 +1,13 @@
+// Copyright 2023 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 (ppc64 || ppc64le) && !aix && !linux
+
+package cpu
+
+func osinit() {
+	// Other operating systems do not support reading HWCap from auxiliary vector,
+	// reading privileged system registers or sysctl in user space to detect CPU
+	// features at runtime.
+}