Test R+syncaa+lwsyncap

PPC R+syncaa+lwsyncap
"SyncdWWAA WseAA LwSyncdWRAP FrePA"
Cycle=FrePA SyncdWWAA WseAA LwSyncdWRAP
Prefetch=0:y=W,1:y=F,1:x=T
Com=Ws Fr
Orig=SyncdWWAA WseAA LwSyncdWRAP FrePA
{ ok=1;
0:r2=x; 0:r4=y; 0:r6=ok;
1:r2=y; 1:r4=x; 1:r6=ok;
}
 P0               | P1               ;
 li r1,1          | li r1,2          ;
 lwarx %sta,r0,r2 | lwarx %sta,r0,r2 ;
 stwcx. r1,r0,r2  | stwcx. r1,r0,r2  ;
 bne  Fail0       | bne  Fail1       ;
 sync             | lwsync           ;
 li r3,1          | lwz r3,0(r4)     ;
 lwarx %sta,r0,r4 | b   Exit1        ;
 stwcx. r3,r0,r4  | Fail1:           ;
 bne  Fail0       | li r5,0          ;
 b   Exit0        | stw r5,0(r6)     ;
 Fail0:           | Exit1:           ;
 li r5,0          |                  ;
 stw r5,0(r6)     |                  ;
 Exit0:           |                  ;
exists
(ok=1 /\ y=2 /\ 1:r3=0)