Nios/swap

Write a function that will swap two array elements. Your function will be passed three parameters: The first is a pointer to the beginning of the array. The second and third parameters are indexes to specify which pair of elements of the array should be swapped.

int swap (int *pointer, int index1, int index2);

Expected solution length: Around 10 lines.

Sample Input

r4=Data, r5=0, r6=2

Sample Output

[Two array elements swapped]

Data: .word 0x123, 0x124, 0x125
.global _start
_start:
    movia r4, Data
    movi r5, 0
    movi r6, 2
    call swap
    1: br 1b    # Done

# Swap two array elements
swap:

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