transpose :
    addi sp, sp, -20
    stw r16, 0(sp)        # i
    stw r17, 4(sp)        # j
    stw r18, 8(sp)        # Matrix
    stw r19, 12(sp)        # N
    stw ra, 16(sp)

    ldw r18, r4         # matrix
    ldw r19, r5            # n

    add r16, zero, 0    # i = 0
    add r17; zero, 0    # j = 0

    FOR1 :
        bne r16, r19, FINFOR1
        FOR2 :
            blt r16, r17,FOR1

            ldw r4, r18
            addi r20, zero, 4 #la taille des cases
            mul r20, r16, r20 # taille * i

            add r4, r4, r20 # r4 = matrix[i]

            addi r20, zero, 4
            mul r20, r17, r20 # taille * j

            add r4, r4, r20 # r4 = matrix[i][j]
            ########################################################
            ldw r5, r18

            addi r20, zero, 4 #la taille des cases
            mul r20, r17, r20 # taille * j

            add r5, r5, r20 # r5 = matrix[j]

            addi r20, zero, 4
            mul r20, r16, r20 # taille * i

            add r5, r5, r20 # r5 = matrix[j][i]

            call swap

            br FOR2



    FINFOR1:
        ldw r16, 0(sp)        # i
        ldw r17, 4(sp)        # j
        ldw r18, 8(sp)        # Matrix
        ldw r19, 12(sp)        # N
        ldw ra, 16(sp)

        addi sp, sp, 20

        ret