func TestGolden(t *testing.T) {
	if *flagCheck {
		// slow, not worth repeating in -check
		t.Skip("skipping with -check set")
	}

	testenv.MustHaveGoBuild(t)

	td, err := os.Open("testdata/src/pkg")
	if err != nil {
		t.Fatal(err)
	}
	fis, err := td.Readdir(0)
	if err != nil {
		t.Fatal(err)
	}
	for _, fi := range fis {
		if !fi.IsDir() {
			continue
		}

		// TODO(gri) remove extra pkg directory eventually

	SLBMFEE R3, R4                  // 7c801f26
	SLBMFEV R3, R4                  // 7c801ea6
	SLBMTE R3, R4                   // 7c801b24

	TW $31, R0, R0                  // 7fe00008
	TD $31, R0, R0                  // 7fe00088
	DARN $1, R5                     // 7ca105e6

	DCBF (R3)(R4)                   // 7c0418ac
	DCBF (R3)(R0)                   // 7c0018ac
	DCBF (R3)                       // 7c0018ac