Test MP+poap+ctrlra

PPC MP+poap+ctrlra
"PodWWAP RfePR DpCtrldRRA FreAA"
Cycle=RfePR DpCtrldRRA FreAA PodWWAP
Prefetch=1:x=T
Com=Rf Fr
Orig=PodWWAP RfePR DpCtrldRRA FreAA
{ ok=1;
0:r2=x; 0:r4=y; 0:r6=ok;
1:r2=y; 1:r4=x; 1:r6=ok;
}
 P0               | P1              ;
 li r1,1          | lwarx r1,r0,r2  ;
 lwarx %sta,r0,r2 | cmpw r1,r1      ;
 stwcx. r1,r0,r2  | beq  LC00       ;
 bne  Fail0       | LC00:           ;
 li r3,1          | lwarx r3,r0,r4  ;
 stw r3,0(r4)     | stwcx. r3,r0,r4 ;
 b   Exit0        | bne  Fail1      ;
 Fail0:           | b   Exit1       ;
 li r5,0          | Fail1:          ;
 stw r5,0(r6)     | li r5,0         ;
 Exit0:           | stw r5,0(r6)    ;
                  | Exit1:          ;
exists
(ok=1 /\ 1:r1=1 /\ 1:r3=0)