default:
		return nil
	}

	return q
}

// fusedJump determines whether p can be fused with a subsequent conditional jump instruction.
// If it can, we return true followed by the total size of the fused jump. If it can't, we return false.
// Macro fusion rules are derived from the Intel Optimization Manual (April 2019) section 3.4.2.2.
func fusedJump(p *obj.Prog) (bool, uint8) {
	var fusedSize uint8