Test WRC+ctrlisyncra+ctrlisync

PPC WRC+ctrlisyncra+ctrlisync
"RfePR DpCtrlIsyncdWRA RfeAP DpCtrlIsyncdR Fre"
Cycle=RfeAP DpCtrlIsyncdR Fre RfePR DpCtrlIsyncdWRA
Prefetch=0:x=T,2:x=T
Com=Rf Rf Fr
Orig=RfePR DpCtrlIsyncdWRA RfeAP DpCtrlIsyncdR Fre
{ ok=1;
0:r2=x;
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) ;
 stw r1,0(r2) | cmpw r1,r1       | cmpw r1,r1   ;
              | beq  LC00        | beq  LC01    ;
              | LC00:            | LC01:        ;
              | isync            | isync        ;
              | li r3,1          | lwz r3,0(r4) ;
              | lwarx %sta,r0,r4 |              ;
              | stwcx. r3,r0,r4  |              ;
              | bne  Fail1       |              ;
              | b   Exit1        |              ;
              | Fail1:           |              ;
              | li r5,0          |              ;
              | stw r5,0(r6)     |              ;
              | Exit1:           |              ;
exists
(ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r3=0)