title: RISC-V: Why set least significant bit to zero in JALR
body: <p>Why do we need to set the least significant bit to zero in JALR in RISC-V Instruction set as described in the RISC-V Instruction manual?</p>
  
  <p>Is it for alignment propose?</p>
  
  <p><a href="https://i.stack.imgur.com/h7C3U.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/h7C3U.png" alt="enter image description here"></a></p>