1	.data
2	.long x1, x2
3
4	.global x1, x2, z2
5
6	.set x1, y1
7	.set x2, y2
8	.set x2, z2
9
10	.section .bss, "aw", %nobits
11x1:
12	.zero	4
13y1:
14	.zero	4
15y2:
16	.zero	4
17