27. C expression and Assembly example

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      # Pseudocode:
      # c = (a+3) * (b-2) + a
      # Register mappings:
      # a: $t0, b: $t1, c: $t2
      # tmp1: $t3, tmp2: $t4, tmp3: $t5
  
      addi $t3, $t0, 3     # tmp1 = a+3
      subi $t4, $t1, 2     # tmp2 = b-2
      mul  $t5, $t3, $t4   # tmp3 = tmp1 * tmp2
      add  $t2, $t5, $t0   # c = tmp3 + a