43. Conditional jump example 1

• 
  # Pseudocode:
  # if (a < b + 3)
  #    a = a + 1
  # else
  #    a = a + 2
  # b = b + a
  # Register mappings:
  #    a: $t0, b: $t1
  
      addi $t2, $t1, 3          # tmp = b + 3
      blt  $t0, $t2, ifless     # if (a < tmp)
      addi $t0, $t0, 2          # otherwise a = a + 2
      j    finish
  
  ifless:
      addi $t0, $t0, 1          # if true, a = a + 1
  
  finish:
      add $t1, $t1, $t0         # b = b + a