lui x3,0x87654
addi x3,x3,0x321
lui x4,0xfffff
addi x4,x4,0x7ff
addi x4,x4,0x7ff
addi x4,x4,0x1
or	x5 ,x0,x4
or	x6 ,x0,x4
or	x7 ,x0,x4
or	x8 ,x0,x4
or	x9 ,x0,x4
or	x10,x0,x4
or	x11,x0,x4
or	x20,x0,x4
or	x22,x0,x4
or	x25,x0,x4
or	x29,x0,x4
or	x31,x0,x4
exit: