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+// Copyright 2014 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
+
+#include "textflag.h"
+
+TEXT ·publicationBarrier(SB),NOSPLIT|NOFRAME,$0-0
+ // LWSYNC is the "export" barrier recommended by Power ISA
+ // v2.07 book II, appendix B.2.2.2.
+ // LWSYNC is a load/load, load/store, and store/store barrier.
+ LWSYNC
+ RET