arm64.ASTXRB, arm64.ASTXRH, arm64.ASTXRW, arm64.ASTXR,
		arm64.ASTXP, arm64.ASTXPW, arm64.ASTLXP, arm64.ASTLXPW:
		return true
	}
	// LDADDx/SWPx/CASx atomic instructions
	return arm64.IsAtomicInstruction(op)
}

// IsARM64TBL reports whether the op (as defined by an arm64.A*
// constant) is one of the TBL-like instructions and one of its
// inputs does not fit into prog.Reg, so require special handling.

	type_ int8
	size_ int8 // the value of this field is not static, use the size() method to return the value
	param int16
	flag  int8
	scond uint8
}

func IsAtomicInstruction(as obj.As) bool {
	if _, ok := atomicLDADD[as]; ok {
		return true
	}
	if _, ok := atomicSWP[as]; ok {
		return true
	}
	return false
}

// known field values of an instruction.