Prime number counter in ARM assembly, based on 2018-2020 code

prime_ARM.asm

		;		wesley's prime number check in ARM
		mov		r0, #5 ; i
loop		mov		r1, #3 ; j
check		mov		r2, r0 ; modulo (cheap)
modl		sub		r2, r2, r1
		cmp		r2, r1
		bhs		modl ; r2 > r1
		cmp		r2, #0 ; == 0
		beq		fail ; then not prime
		;		continue
		add		r1, r1, #2 ; j += 2
		cmp		r1, r0 ; j < i
		blo		check
		;		got prime number if landing here
		mov		r3, r0 ; log number
fail		add		r0, r0, #2 ; next odd number
		cmp		r0, #0xFFFFFFFF
		blo		loop
		end