{name: "EXTRconst", argLength: 2, reg: gp21, asm: "EXTR", aux: "Int64"},   // extract 64 bits from arg0:arg1 starting at lsb auxInt, auxInt should be in the range 0 to 63.
		{name: "EXTRWconst", argLength: 2, reg: gp21, asm: "EXTRW", aux: "Int64"}, // extract 32 bits from arg0[31:0]:arg1[31:0] starting at lsb auxInt and zero top 32 bits, auxInt should be in the range 0 to 31.

		// comparisons

	// false until the block has been processed at least once. This
	// affects how the merge is done; the goal is to maximize sharing
	// and avoid allocation.
	everProcessed bool
}

// A liveSlot is a slot that's live in loc at entry/exit of a block.
type liveSlot struct {
	VarLoc
}

func (ls *liveSlot) String() string {
	return fmt.Sprintf("0x%x.%d.%d", ls.Registers, ls.stackOffsetValue(), int32(ls.StackOffset)&1)
}

		// there are at least 64 bytes to clear, so add
		// that to the remainder to generate the code
		// to clear those doublewords
		if ctr == 1 {
			rem += 64
		}

		// Clear the remainder starting at offset zero
		offset := int64(0)

		if rem >= 16 && ctr <= 1 {
			// If the XXLXOR hasn't already been
			// generated, do it here to initialize
			// VS32 (V0) to 0.
			p := s.Prog(ppc64.AXXLXOR)

	}

	if rs.maxRootVersion["go"] == "" {
		panic(`newRequirements called without a "go" version`)
	}
	return rs
}

// String returns a string describing the Requirements for debugging.
func (rs *Requirements) String() string {
	return fmt.Sprintf("{%v %v}", rs.pruning, rs.rootModules)
}

// initVendor initializes rs.graph from the given list of vendored module

// TODO: regMask -> regSet?
type regMask uint64

func (m regMask) String() string {
	s := ""
	for r := register(0); m != 0; r++ {
		if m>>r&1 == 0 {
			continue
		}
		m &^= regMask(1) << r
		if s != "" {
			s += " "
		}
		s += fmt.Sprintf("r%d", r)
	}
	return s
}

func (s *regAllocState) RegMaskString(m regMask) string {
	str := ""
	for r := register(0); m != 0; r++ {
		if m>>r&1 == 0 {

// if dir is in the module cache copy of a module in our build list.
func pathInModuleCache(ctx context.Context, dir string, rs *Requirements) string {
	tryMod := func(m module.Version) (string, bool) {
		if gover.IsToolchain(m.Path) {
			return "", false
		}
		var root string
		var err error
		if repl := Replacement(m); repl.Path != "" && repl.Version == "" {
			root = repl.Path
			if !filepath.IsAbs(root) {

		return
	}

	// determine token string
	var tok string
	switch p.tok {
	case _Name:
		tok = "name " + p.lit
	case _Semi:
		tok = p.lit
	case _Literal:
		tok = "literal " + p.lit
	case _Operator:
		tok = p.op.String()
	case _AssignOp:
		tok = p.op.String() + "="
	case _IncOp:
		tok = p.op.String()
		tok += tok
	default:
		tok = tokstring(p.tok)
	}

	// channel-binding.
	clientFinished [12]byte
	serverFinished [12]byte

	// clientProtocol is the negotiated ALPN protocol.
	clientProtocol string

	// input/output
	in, out   halfConn
	rawInput  bytes.Buffer // raw input, starting with a record header
	input     bytes.Reader // application data waiting to be read, from rawInput.Next
	hand      bytes.Buffer // handshake data waiting to be read

    private static final String EXT_CLASS_PATH = "maven.ext.class.path";

    private static final String EXTENSIONS_FILENAME = "extensions.xml";

    private static final String MVN_EXTENSIONS_FILENAME = ".mvn/" + EXTENSIONS_FILENAME;

    private static final String MVN_MAVEN_CONFIG = ".mvn/maven.config";

    public static final String STYLE_COLOR_PROPERTY = "style.color";

            String fieldName,
            ModelProblemCollector problems,
            Severity severity,
            Version version,
            String string,
            String sourceHint,
            InputLocationTracker tracker) {
        if (string == null || string.isEmpty()) {
            return true;
        }

        if ("true".equalsIgnoreCase(string) || "false".equalsIgnoreCase(string)) {