// #cgo (nocallback|noescape) <function name>
		if fields := strings.Fields(line); len(fields) == 3 && (fields[1] == "nocallback" || fields[1] == "noescape") {
			continue
		}

		// Split at colon.
		line, argstr, ok := strings.Cut(strings.TrimSpace(line[4:]), ":")
		if !ok {
			return fmt.Errorf("%s: invalid #cgo line: %s", filename, orig)
		}

		// Parse GOOS/GOARCH stuff.
		f := strings.Fields(line)
		if len(f) < 1 {

	AMOVWF
	AMOVWL
	AMOVWR
	AMSUB
	AMUL
	AMULD
	AMULF
	AMULU
	AMULW
	ANEGD
	ANEGF
	ANEGW
	ANEGV
	ANOOP // hardware nop
	ANOR
	AOR
	AREM
	AREMU
	ARFE
	AROTR
	AROTRV
	ASC
	ASCV
	ASEB
	ASEH
	ASGT
	ASGTU
	ASLL
	ASQRTD
	ASQRTF
	ASRA
	ASRL
	ASUB
	ASUBD
	ASUBF
	ASUBU
	ASUBW
	ASYNC
	ASYSCALL
	ATEQ
	ATLBP

	{name: "Add8", argLength: 2, commutative: true}, // arg0 + arg1
	{name: "Add16", argLength: 2, commutative: true},
	{name: "Add32", argLength: 2, commutative: true},
	{name: "Add64", argLength: 2, commutative: true},
	{name: "AddPtr", argLength: 2}, // For address calculations.  arg0 is a pointer and arg1 is an int.
	{name: "Add32F", argLength: 2, commutative: true},
	{name: "Add64F", argLength: 2, commutative: true},

	cgo     bool
	alignme uint64
}

// *byte is really *runtime.Type
func typedmemmove(typ *byte, dst *any, src *any)
func typedmemclr(typ *byte, dst *any)
func typedslicecopy(typ *byte, dstPtr *any, dstLen int, srcPtr *any, srcLen int) int

func selectnbsend(hchan chan<- any, elem *any) bool
func selectnbrecv(elem *any, hchan <-chan any) (bool, bool)

func selectsetpc(pc *uintptr)

	case "arm64", "ppc64le", "ppc64", "amd64", "wasm", "loong64":
		// implemented
	default:
		return
	}

	// Find all the values used in computing the address of any load.
	// Typically these values have operations like AddPtr, Lsh64x64, etc.
	loadAddr := f.newSparseSet(f.NumValues())
	defer f.retSparseSet(loadAddr)
	for _, b := range f.Blocks {
		for _, v := range b.Values {
			switch v.Op {

    return {};

  // First tensor dimension is dynamic.
  auto arg_ty = tensor.getType().dyn_cast<ShapedType>();
  if (!arg_ty || !arg_ty.hasRank() || arg_ty.getNumDynamicDims() != 1 ||
      !arg_ty.isDynamicDim(0))
    return {};

  // Argument tensor rank is equal to the number of packed dimensions.
  if (arg_ty.getRank() != getValues().size()) return {};

(Add64  (Const64 [c])  (Const64 [d]))  => (Const64 [c+d])
(Add32F (Const32F [c]) (Const32F [d])) && c+d == c+d => (Const32F [c+d])
(Add64F (Const64F [c]) (Const64F [d])) && c+d == c+d => (Const64F [c+d])
(AddPtr <t> x (Const64 [c])) => (OffPtr <t> x [c])
(AddPtr <t> x (Const32 [c])) => (OffPtr <t> x [int64(c)])

(Sub8   (Const8 [c]) (Const8 [d]))     => (Const8 [c-d])
(Sub16  (Const16 [c]) (Const16 [d]))   => (Const16 [c-d])

			}

			if c.cursym.Func().Text.Mark&LEAF != 0 {
				c.cursym.Set(obj.AttrLeaf, true)
				break
			}

			if c.cursym.Func().Text.From.Sym.Wrapper() {
				// if(g->panic != nil && g->panic->argp == FP) g->panic->argp = bottom-of-frame
				//
				//	MOVD g_panic(g), R3
				//	CMP R3, $0
				//	BEQ end
				//	MOVD panic_argp(R3), R4
				//	ADD $(autosize+8), R1, R5
				//	CMP R4, R5
				//	BNE end

			rr.add(declf(rr.Loc, argname, "%s", rhs))
		}
		bexpr := exprf("%s.Op != addLater", argname)
		rr.add(&CondBreak{Cond: bexpr})
		argPos, argCheckOp := genMatch0(rr, arch, expr, argname, cnt, false)
		bexpr.(*ast.BinaryExpr).Y.(*ast.Ident).Name = argCheckOp

		if argPos != "" {
			// Keep the argument in preference to the parent, as the
			// argument is normally earlier in program flow.

	SYS_READLINK       = 58  // { ssize_t sys_readlink(const char *path, char *buf, size_t count); }
	SYS_EXECVE         = 59  // { int sys_execve(const char *path, char * const *argp, char * const *envp); }
	SYS_UMASK          = 60  // { mode_t sys_umask(mode_t newmask); }
	SYS_CHROOT         = 61  // { int sys_chroot(const char *path); }