Test S+po+addrra

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