Test WRR+2W+popa+po

PPC WRR+2W+popa+po
"Rfe PodRRPA FreAP PodWW Wse"
Cycle=Rfe PodRRPA FreAP PodWW Wse
Prefetch=0:x=F,1:y=T,2:x=W
Com=Rf Fr Ws
Orig=Rfe PodRRPA FreAP PodWW Wse
{ ok=1;
0:r2=x;
1:r2=x; 1:r4=y; 1:r6=ok;
2:r2=y; 2:r4=x;
}
 P0           | P1              | P2           ;
 li r1,2      | lwz r1,0(r2)    | li r1,1      ;
 stw r1,0(r2) | lwarx r3,r0,r4  | stw r1,0(r2) ;
              | stwcx. r3,r0,r4 | li r3,1      ;
              | bne  Fail1      | stw r3,0(r4) ;
              | b   Exit1       |              ;
              | Fail1:          |              ;
              | li r5,0         |              ;
              | stw r5,0(r6)    |              ;
              | Exit1:          |              ;
exists
(ok=1 /\ x=2 /\ 1:r1=2 /\ 1:r3=0)