Test LB+lwsyncap+poap

PPC LB+lwsyncap+poap
"LwSyncdRWAP RfePA PodRWAP RfePA"
Cycle=RfePA PodRWAP RfePA LwSyncdRWAP
Prefetch=
Com=Rf Rf
Orig=LwSyncdRWAP RfePA PodRWAP RfePA
{ ok=1;
0:r2=x; 0:r4=y; 0:r6=ok;
1:r2=y; 1:r4=x; 1:r6=ok;
}
 P0              | P1              ;
 lwarx r1,r0,r2  | lwarx r1,r0,r2  ;
 stwcx. r1,r0,r2 | stwcx. r1,r0,r2 ;
 bne  Fail0      | bne  Fail1      ;
 lwsync          | li r3,1         ;
 li r3,1         | stw r3,0(r4)    ;
 stw r3,0(r4)    | b   Exit1       ;
 b   Exit0       | Fail1:          ;
 Fail0:          | li r5,0         ;
 li r5,0         | stw r5,0(r6)    ;
 stw r5,0(r6)    | Exit1:          ;
 Exit0:          |                 ;
exists
(ok=1 /\ 0:r1=1 /\ 1:r1=1)