ARM 32bit RISC셈


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bubbleSort PROC
; argms
; r0 int* number
; r1 int n
;
; local var.
; r1     int n
; r2     int j
; r4     _swper
; r5     number[j+1]
; r12     number[j]
;
    PUSH     {r4-r6,lr}
    ; _for0
    MOV      r2,#0              ; j = 0
    CMP      r2,r1              ; j == n ?
|L0.24|
    ;_for0body
    BEQ      |L0.08|            ; if j == n then return
    ; _if0
    ADD      r4,r0,r2,LSL #2     ; _swper = int[j]
    LDR      r12,[r0,r2,LSL #2]    ; _if0lh = number[j]
    LDR      r5,[r4,#4]            ; _if0rh = number[_swper as j + 1]
    CMP      r12,r5                ; _if0lh == if0rh ?
    ; swap
    STRGT    r5,[r0,r2,LSL #2]    ; if _if0lh > _if0rh then 
                                ;     number[j] = _if0rh
    STRGT    r12,[r4,#4]         ; if _if0lh > _if0rh then 
                                ;    number[j+1] = _if0lh
    ; /swap
    ; /_if0
    ; _if1
    CMP      r2, r1             ; j == n?
    MVNEQ    r2, #0             ; if j == n then j = -1
    SUBEQ    r1, r1, #1         ; if j == n then n--
    ; /_if1
 
    ADD      r2, #1             ; j++
    B        |L0.24|            ; loop
    ; /_for0
|L0.08|
    POP      {r4-r6,pc}         ; return 
    ENDP
cs