.text
	.extern	first
        sethi   %hi(first), %r1     !load most sig part of address into r1
        or      %r1, %lo(first), %r1 !load least significant part into r1
	.extern	last
        sethi   %hi(last), %r4     !load most sig part of address into r4
        or      %r4, %lo(last), %r4 !load least significant part into r4
	add	%r0,%r0,%r2
loop:	ld	[%r1],%r5
	add	%r2,%r5,%r2
	add	%r1,4,%r1
	subcc	%r1,%r4,%r0
	bneg	loop
	nop				!branch delay slot
	ta 	0