Test WRW+WR+lwsyncrp+lwsync+A

PPC WRW+WR+lwsyncrp+lwsync+A
"RfeAR LwSyncdRWRP Wse LwSyncdWR FrePA"
Cycle=RfeAR LwSyncdRWRP Wse LwSyncdWR FrePA
Prefetch=0:x=T,1:y=W,2:y=F,2:x=T
Com=Rf Ws Fr
Orig=RfeAR LwSyncdRWRP Wse LwSyncdWR FrePA
{ ok=1;
0:r2=x; 0:r4=ok;
1:r2=x; 1:r4=y;
2:r2=y; 2:r4=x;
}
 P0               | P1             | P2           ;
 li r1,1          | lwarx r1,r0,r2 | li r1,2      ;
 lwarx %sta,r0,r2 | lwsync         | stw r1,0(r2) ;
 stwcx. r1,r0,r2  | li r3,1        | lwsync       ;
 bne  Fail0       | stw r3,0(r4)   | lwz r3,0(r4) ;
 b   Exit0        |                |              ;
 Fail0:           |                |              ;
 li r3,0          |                |              ;
 stw r3,0(r4)     |                |              ;
 Exit0:           |                |              ;
exists
(ok=1 /\ y=2 /\ 1:r1=1 /\ 2:r3=0)