Test MP+po+popa

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