Test WRC+syncaa+ctrl+A

PPC WRC+syncaa+ctrl+A
"RfeAA SyncdRWAA RfeAP DpCtrldR FrePA"
Cycle=RfeAA SyncdRWAA RfeAP DpCtrldR FrePA
Prefetch=0:x=T,2:x=T
Com=Rf Rf Fr
Orig=RfeAA SyncdRWAA RfeAP DpCtrldR FrePA
{ ok=1;
0:r2=x; 0:r4=ok;
1:r2=x; 1:r4=y; 1:r6=ok;
2:r2=y; 2:r4=x;
}
 P0               | P1               | P2           ;
 li r1,1          | lwarx r1,r0,r2   | lwz r1,0(r2) ;
 lwarx %sta,r0,r2 | stwcx. r1,r0,r2  | cmpw r1,r1   ;
 stwcx. r1,r0,r2  | bne  Fail1       | beq  LC00    ;
 bne  Fail0       | sync             | LC00:        ;
 b   Exit0        | li r3,1          | lwz r3,0(r4) ;
 Fail0:           | lwarx %sta,r0,r4 |              ;
 li r3,0          | stwcx. r3,r0,r4  |              ;
 stw r3,0(r4)     | bne  Fail1       |              ;
 Exit0:           | b   Exit1        |              ;
                  | Fail1:           |              ;
                  | li r5,0          |              ;
                  | stw r5,0(r6)     |              ;
                  | Exit1:           |              ;
exists
(ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r3=0)