Test R+syncpa+lwsyncaa

PPC R+syncpa+lwsyncaa
"SyncdWWPA WseAA LwSyncdWRAA FreAP"
Cycle=FreAP SyncdWWPA WseAA LwSyncdWRAA
Prefetch=0:y=W,1:y=F,1:x=T
Com=Ws Fr
Orig=SyncdWWPA WseAA LwSyncdWRAA FreAP
{ 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          ;
 stw r1,0(r2)     | lwarx %sta,r0,r2 ;
 sync             | stwcx. r1,r0,r2  ;
 li r3,1          | bne  Fail1       ;
 lwarx %sta,r0,r4 | lwsync           ;
 stwcx. r3,r0,r4  | lwarx r3,r0,r4   ;
 bne  Fail0       | stwcx. r3,r0,r4  ;
 b   Exit0        | bne  Fail1       ;
 Fail0:           | b   Exit1        ;
 li r5,0          | Fail1:           ;
 stw r5,0(r6)     | li r5,0          ;
 Exit0:           | stw r5,0(r6)     ;
                  | Exit1:           ;
exists
(ok=1 /\ y=2 /\ 1:r3=0)