Test WRC+addrrp+addr+A

PPC WRC+addrrp+addr+A
"RfeAR DpAddrdWRP Rfe DpAddrdR FrePA"
Cycle=RfeAR DpAddrdWRP Rfe DpAddrdR FrePA
Prefetch=0:x=T,2:x=T
Com=Rf Rf Fr
Orig=RfeAR DpAddrdWRP Rfe DpAddrdR FrePA
{ ok=1;
0:r2=x; 0:r4=ok;
1:r2=x; 1:r5=y;
2:r2=y; 2:r5=x;
}
 P0               | P1             | P2            ;
 li r1,1          | lwarx r1,r0,r2 | lwz r1,0(r2)  ;
 lwarx %sta,r0,r2 | xor r3,r1,r1   | xor r3,r1,r1  ;
 stwcx. r1,r0,r2  | li r4,1        | lwzx r4,r3,r5 ;
 bne  Fail0       | stwx r4,r3,r5  |               ;
 b   Exit0        |                |               ;
 Fail0:           |                |               ;
 li r3,0          |                |               ;
 stw r3,0(r4)     |                |               ;
 Exit0:           |                |               ;
exists
(ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r4=0)