コンパイル結果を逆アセンブル

00000000 :

   0:   2200            movs    r2, #0

   2:   2101            movs    r1, #1

   4:   1c13            adds    r3, r2, #0

   6:   b510            push    {r4, lr}

   8:   4282            cmp     r2, r0

   a:   da04            bge.n   16 

   c:   18cc            adds    r4, r1, r3

   e:   3201            adds    r2, #1

  10:   1c19            adds    r1, r3, #0

  12:   1c23            adds    r3, r4, #0

  14:   e7f8            b.n     8 

  16:   1c18            adds    r0, r3, #0

  18:   bc10            pop     {r4}

  1a:   bc02            pop     {r1}

  1c:   4708            bx      r1