Test MP+popa+addr

PPC MP+popa+addr
"PodWWPA RfeAP DpAddrdR Fre"
Cycle=RfeAP DpAddrdR Fre PodWWPA
Prefetch=1:x=T
Com=Rf Fr
Orig=PodWWPA RfeAP DpAddrdR Fre
{ ok=1;
0:r2=x; 0:r4=y; 0:r6=ok;
1:r2=y; 1:r5=x;
}
 P0               | P1            ;
 li r1,1          | lwz r1,0(r2)  ;
 stw r1,0(r2)     | xor r3,r1,r1  ;
 li r3,1          | lwzx r4,r3,r5 ;
 lwarx %sta,r0,r4 |               ;
 stwcx. r3,r0,r4  |               ;
 bne  Fail0       |               ;
 b   Exit0        |               ;
 Fail0:           |               ;
 li r5,0          |               ;
 stw r5,0(r6)     |               ;
 Exit0:           |               ;
exists
(ok=1 /\ 1:r1=1 /\ 1:r4=0)