// Copyright 2019 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.

// +build gccgo

package cpu

func getisar0() uint64 { return 0 }
func getisar1() uint64 { return 0 }
func getpfr0() uint64  { return 0 }
