Test WRR+2W+addrra+po

PPC WRR+2W+addrra+po
"RfePR DpAddrdRRA FreAP PodWW Wse"
Cycle=RfePR DpAddrdRRA FreAP PodWW Wse
Prefetch=0:x=F,1:y=T,2:x=W
Com=Rf Fr Ws
Orig=RfePR DpAddrdRRA FreAP PodWW Wse
{ ok=1;
0:r2=x;
1:r2=x; 1:r5=y; 1:r7=ok;
2:r2=y; 2:r4=x;
}
 P0           | P1              | P2           ;
 li r1,2      | lwarx r1,r0,r2  | li r1,1      ;
 stw r1,0(r2) | xor r3,r1,r1    | stw r1,0(r2) ;
              | lwarx r4,r3,r5  | li r3,1      ;
              | stwcx. r4,r3,r5 | stw r3,0(r4) ;
              | bne  Fail1      |              ;
              | b   Exit1       |              ;
              | Fail1:          |              ;
              | li r6,0         |              ;
              | stw r6,0(r7)    |              ;
              | Exit1:          |              ;
exists
(ok=1 /\ x=2 /\ 1:r1=2 /\ 1:r4=0)