func IsARM64ADR(op obj.As) bool {
	switch op {
	case arm64.AADR, arm64.AADRP:
		return true
	}
	return false
}

// IsARM64CMP reports whether the op (as defined by an arm64.A* constant) is
// one of the comparison instructions that require special handling.
func IsARM64CMP(op obj.As) bool {
	switch op {
	case arm64.ACMN, arm64.ACMP, arm64.ATST,
		arm64.ACMNW, arm64.ACMPW, arm64.ATSTW,
		arm64.AFCMPS, arm64.AFCMPD,