"FLEQ",
	"FLTQ",
	"FCLASSQ",
	"CSRRW",
	"CSRRS",
	"CSRRC",
	"CSRRWI",
	"CSRRSI",
	"CSRRCI",
	"ECALL",
	"SCALL",
	"EBREAK",
	"SBREAK",
	"MRET",
	"SRET",
	"DRET",
	"WFI",
	"SFENCEVMA",
	"ADDUW",
	"SH1ADD",
	"SH1ADDUW",
	"SH2ADD",
	"SH2ADDUW",
	"SH3ADD",
	"SH3ADDUW",
	"SLLIUW",
	"ANDN",
	"ORN",
	"XNOR",
	"CLZ",
	"CLZW",
	"CTZ",

	"VUADDW",
	"VUADDW2",
	"VUMAX",
	"VUMIN",
	"VUSHLL",
	"VUSHLL2",
	"VUSHR",
	"VUSRA",
	"VUXTL",
	"VUXTL2",
	"VUZP1",
	"VUZP2",
	"VXAR",
	"VZIP1",
	"VZIP2",
	"WFE",
	"WFI",
	"WORD",
	"YIELD",
	"LAST",

	WFI_EQ:            "WFI.EQ",
	WFI_NE:            "WFI.NE",
	WFI_CS:            "WFI.CS",
	WFI_CC:            "WFI.CC",
	WFI_MI:            "WFI.MI",
	WFI_PL:            "WFI.PL",
	WFI_VS:            "WFI.VS",
	WFI_VC:            "WFI.VC",
	WFI_HI:            "WFI.HI",
	WFI_LS:            "WFI.LS",
	WFI_GE:            "WFI.GE",
	WFI_LT:            "WFI.LT",
	WFI_GT:            "WFI.GT",

	USUBW:     "USUBW",
	USUBW2:    "USUBW2",
	UXTB:      "UXTB",
	UXTH:      "UXTH",
	UXTL:      "UXTL",
	UXTL2:     "UXTL2",
	UZP1:      "UZP1",
	UZP2:      "UZP2",
	WFE:       "WFE",
	WFI:       "WFI",
	XTN:       "XTN",
	XTN2:      "XTN2",
	YIELD:     "YIELD",
	ZIP1:      "ZIP1",
	ZIP2:      "ZIP2",
}

var instFormats = [...]instFormat{
	// ADC <Wd>, <Wn>, <Wm>

		t.Logf("expected %q, got %q", "Hello world", s)
	}
}

func TestDirJoin(t *testing.T) {
	if runtime.GOOS == "windows" {
		t.Skip("skipping test on windows")
	}
	wfi, err := os.Stat("/etc/hosts")
	if err != nil {
		t.Skip("skipping test; no /etc/hosts file")
	}
	test := func(d Dir, name string) {
		f, err := d.Open(name)
		if err != nil {

	UXTHW R7, R20                              // f43c0053
	VCNT V0.B8, V0.B8                          // 0058200e
	VCNT V0.B16, V0.B16                        // 0058204e
	WFE                                        // 5f2003d5
	WFI                                        // 7f2003d5
	YIELD                                      // 3f2003d5
	//TODO FABD F0, F5, F11                    // abd4a07e
	//TODO VFABD V30.S2, V8.S2, V24.S2         // 18d5be2e

{"Name":"WFE","Bits":"1|1|0|1|0|1|0|1|0|0|0|0|0|0|1|1|0|0|1|0|0|0|0|0|0|1|0|1|1|1|1|1","Arch":"System variant","Syntax":"WFE","Code":"","Alias":""},
{"Name":"WFI","Bits":"1|1|0|1|0|1|0|1|0|0|0|0|0|0|1|1|0|0|1|0|0|0|0|0|0|1|1|1|1|1|1|1","Arch":"System variant","Syntax":"WFI","Code":"","Alias":""},
{"Name":"YIELD","Bits":"1|1|0|1|0|1|0|1|0|0|0|0|0|0|1|1|0|0|1|0|0|0|0|0|0|0|1|1|1|1|1|1","Arch":"System variant","Syntax":"YIELD","Code":"","Alias":""},