// See ARMv7 manual section B1.6.
	// We also need at least a v7 chip, for the DMB instruction.
	ARM.HasV7Atomics = isSet(HWCap, hwcap_LPAE) && isV7(Platform)
}

func isSet(hwc uint, value uint) bool {
	return hwc&value != 0
}

func isV7(s string) bool {
	if s == "aarch64" {
		return true
	}
	return s >= "v7" // will be something like v5, v7, v8, v8l

	f0 := s[int].g0
	f0(x)
	f1 := s[int].g1
	is7(f1(x))
	f2 := s[int].g2
	is77(f2(x))
}

func methodValues() {
	x := s[int]{a: 7}
	f0 := x.g0
	f0()
	f1 := x.g1
	is7(f1())
	f2 := x.g2
	is77(f2())
}

var x interface {
	g0()
	g1() int
	g2() (int, int)
} = s[int]{a: 7}
var y interface{} = s[int]{a: 7}

func interfaceMethods() {
	x.g0()
	is7(x.g1())
	is77(x.g2())

var hh2 = s[int].g2

var xtop = s[int]{a: 7}
var ii0 = x.g0
var ii1 = x.g1
var ii2 = x.g2

func globals() {
	gg0(7)
	is7(gg1(7))
	is77(gg2(7))
	x := s[int]{a: 7}
	hh0(x)
	is7(hh1(x))
	is77(hh2(x))
	ii0()
	is7(ii1())
	is77(ii2())
}

func recursive() {
	if got, want := recur1[int](5), 110; got != want {
		panic(fmt.Sprintf("recur1[int](5) = %d, want = %d", got, want))