}
}

// evaluate an ARM64 op against a flags value
// that is potentially constant; return 1 for true,
// -1 for false, and 0 for not constant.
func ccARM64Eval(op Op, flags *Value) int {
	fop := flags.Op
	if fop == OpARM64InvertFlags {
		return -ccARM64Eval(op, flags.Args[0])
	}
	if fop != OpARM64FlagConstant {
		return 0
	}
	fc := flagConstant(flags.AuxInt)
	b2i := func(b bool) int {
		if b {