Test RWC+ctrl+popa

PPC RWC+ctrl+popa
"Rfe DpCtrldR Fre PodWRPA FreAP"
Cycle=Rfe DpCtrldR Fre PodWRPA FreAP
Prefetch=0:x=T,1:y=T,2:x=T
Com=Rf Fr Fr
Orig=Rfe DpCtrldR Fre PodWRPA FreAP
{ ok=1;
0:r2=x;
1:r2=x; 1:r4=y;
2:r2=y; 2:r4=x; 2:r6=ok;
}
 P0           | P1           | P2              ;
 li r1,1      | lwz r1,0(r2) | li r1,1         ;
 stw r1,0(r2) | cmpw r1,r1   | stw r1,0(r2)    ;
              | beq  LC00    | lwarx r3,r0,r4  ;
              | LC00:        | stwcx. r3,r0,r4 ;
              | lwz r3,0(r4) | bne  Fail2      ;
              |              | b   Exit2       ;
              |              | Fail2:          ;
              |              | li r5,0         ;
              |              | stw r5,0(r6)    ;
              |              | Exit2:          ;
exists
(ok=1 /\ 1:r1=1 /\ 1:r3=0 /\ 2:r3=0)