xref: /aosp_15_r20/external/musl/src/unistd/sh/pipe.s (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker.global pipe
2*c9945492SAndroid Build Coastguard Worker.type   pipe, @function
3*c9945492SAndroid Build Coastguard Workerpipe:
4*c9945492SAndroid Build Coastguard Worker	mov    #42, r3
5*c9945492SAndroid Build Coastguard Worker	trapa  #31
6*c9945492SAndroid Build Coastguard Worker
7*c9945492SAndroid Build Coastguard Worker	! work around hardware bug
8*c9945492SAndroid Build Coastguard Worker	or     r0, r0
9*c9945492SAndroid Build Coastguard Worker	or     r0, r0
10*c9945492SAndroid Build Coastguard Worker	or     r0, r0
11*c9945492SAndroid Build Coastguard Worker	or     r0, r0
12*c9945492SAndroid Build Coastguard Worker	or     r0, r0
13*c9945492SAndroid Build Coastguard Worker
14*c9945492SAndroid Build Coastguard Worker	cmp/pz r0
15*c9945492SAndroid Build Coastguard Worker	bt     1f
16*c9945492SAndroid Build Coastguard Worker
17*c9945492SAndroid Build Coastguard Worker	mov.l  L1, r1
18*c9945492SAndroid Build Coastguard Worker	braf   r1
19*c9945492SAndroid Build Coastguard Worker	 mov   r0, r4
20*c9945492SAndroid Build Coastguard Worker
21*c9945492SAndroid Build Coastguard Worker1:	mov.l  r0, @(0,r4)
22*c9945492SAndroid Build Coastguard Worker	mov.l  r1, @(4,r4)
23*c9945492SAndroid Build Coastguard Worker	rts
24*c9945492SAndroid Build Coastguard Worker	 mov   #0, r0
25*c9945492SAndroid Build Coastguard Worker
26*c9945492SAndroid Build Coastguard Worker.align 2
27*c9945492SAndroid Build Coastguard WorkerL1:	.long __syscall_ret@PLT-(1b-.)
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