1.set	noreorder
 2.global	pipe
 3.type	pipe,@function
 4pipe:
 5	lui	$3, %hi(%neg(%gp_rel(pipe)))
 6	addiu	$3, $3, %lo(%neg(%gp_rel(pipe)))
 7	addu	$3, $3, $25
 8	li	$2, 6021
 9	syscall
10	beq	$7, $0, 1f
11	nop
12	lw	$25, %got_disp(__syscall_ret)($3)
13	jr	$25
14	subu	$4, $0, $2
151:	sw	$2, 0($4)
16	sw	$3, 4($4)
17	move	$2, $0
18	jr	$ra
19	nop