Test LB+ctrlisyncap+po

PPC LB+ctrlisyncap+po
"DpCtrlIsyncdWAP Rfe PodRW RfePA"
Cycle=RfePA DpCtrlIsyncdWAP Rfe PodRW
Prefetch=
Com=Rf Rf
Orig=DpCtrlIsyncdWAP Rfe PodRW RfePA
{ ok=1;
0:r2=x; 0:r4=y; 0:r6=ok;
1:r2=y; 1:r4=x;
}
 P0              | P1           ;
 lwarx r1,r0,r2  | lwz r1,0(r2) ;
 stwcx. r1,r0,r2 | li r3,1      ;
 bne  Fail0      | stw r3,0(r4) ;
 cmpw r1,r1      |              ;
 beq  LC00       |              ;
 LC00:           |              ;
 isync           |              ;
 li r3,1         |              ;
 stw r3,0(r4)    |              ;
 b   Exit0       |              ;
 Fail0:          |              ;
 li r5,0         |              ;
 stw r5,0(r6)    |              ;
 Exit0:          |              ;
exists
(ok=1 /\ 0:r1=1 /\ 1:r1=1)