Test R+lwsyncpa+syncpr

PPC R+lwsyncpa+syncpr
"LwSyncdWWPA WseAP SyncdWRPR FreRP"
Cycle=FreRP LwSyncdWWPA WseAP SyncdWRPR
Prefetch=0:y=W,1:y=F,1:x=T
Com=Ws Fr
Orig=LwSyncdWWPA WseAP SyncdWRPR FreRP
{ ok=1;
0:r2=x; 0:r4=y; 0:r6=ok;
1:r2=y; 1:r4=x;
}
 P0               | P1             ;
 li r1,1          | li r1,2        ;
 stw r1,0(r2)     | stw r1,0(r2)   ;
 lwsync           | sync           ;
 li r3,1          | lwarx r3,r0,r4 ;
 lwarx %sta,r0,r4 |                ;
 stwcx. r3,r0,r4  |                ;
 bne  Fail0       |                ;
 b   Exit0        |                ;
 Fail0:           |                ;
 li r5,0          |                ;
 stw r5,0(r6)     |                ;
 Exit0:           |                ;
exists
(ok=1 /\ y=2 /\ 1:r3=0)