.arm
	.arch_extension idiv

	.globl main
main:

	stmfd	sp!, {r4, r5, lr}

	mov	r4, #17
1:	mov	r5, #1

2:
#if defined(INLINE_DIV)

	udiv	r0, r4, r5

#elif defined(OUTOFLINE_DIV)

	mov	r0, r4
	mov	r1, r5
	bl	my_div

#elif defined(PATCHED_DIV)

	mov	r0, r4
	mov	r1, r5
	udiv	r0, r0, r1

#elif defined(LIBGCC_DIV)

	mov	r0, r4
	mov	r1, r5
	bl	__aeabi_uidiv

#else
#error "define INLINE_DIV, OUTOFLINE_DIV or LIBGCC_DIV"
#endif

	add	r5, r5, #1
	cmp	r4, r5
	bhs	2b
	adds	r4, r4, r4, lsl #1
	bpl	1b

	mov	r0, #0
	ldmfd	sp!, {r4, r5, pc}

	.space 1024

my_div:

	udiv	r0, r0, r1
	bx	lr