/* --------------------------------------------------
   Define required labels for EGTAPI
   -------------------------------------------------- */
        .global main, Stop, CodeEnd, DataStart, DataEnd

/* --------------------------------------------------
   if ( x > y )
      Swap x and y
   -------------------------------------------------- */
	.text
main:
	// Test  if ( x > y )
	movw	r0, #:lower16:x
	movt	r0, #:upper16:x		// r0 = addr(x)
	ldr	r1, [r0]		// r1 = x

	movw	r2, #:lower16:y
	movt	r2, #:upper16:y		// r2 = addr(y)
	ldr	r3, [r2]		// r3 = y

	cmp	r1, r3			// Compare x ? y
	ble	ifEnd			// Branch if  x <= y to ifEnd

	// x > y  is  TRUE:  swap x and y 
	str	r1, [r2]		// Store the x-copy in y (in memory)
	str	r3, [r0]		// Store the y-copy in x (in memory)

ifEnd:

Stop:
CodeEnd:
    	nop

/* --------------------------------------------------
   Begin of the permanent program variables
   -------------------------------------------------- */
	.data
DataStart:

x:    .4byte   9	// x = 9   -- try a value smaller that 4
y:    .4byte   4	// y = 4

DataEnd:

	.end