Test WRC+addraa+addr+A

PPC WRC+addraa+addr+A
"RfeAA DpAddrdWAA RfeAP DpAddrdR FrePA"
Cycle=RfeAA DpAddrdWAA RfeAP DpAddrdR FrePA
Prefetch=0:x=T,2:x=T
Com=Rf Rf Fr
Orig=RfeAA DpAddrdWAA RfeAP DpAddrdR FrePA
{ ok=1;
0:r2=x; 0:r4=ok;
1:r2=x; 1:r5=y; 1:r7=ok;
2:r2=y; 2:r5=x;
}
 P0               | P1               | P2            ;
 li r1,1          | lwarx r1,r0,r2   | lwz r1,0(r2)  ;
 lwarx %sta,r0,r2 | stwcx. r1,r0,r2  | xor r3,r1,r1  ;
 stwcx. r1,r0,r2  | bne  Fail1       | lwzx r4,r3,r5 ;
 bne  Fail0       | xor r3,r1,r1     |               ;
 b   Exit0        | li r4,1          |               ;
 Fail0:           | lwarx %sta,r3,r5 |               ;
 li r3,0          | stwcx. r4,r3,r5  |               ;
 stw r3,0(r4)     | bne  Fail1       |               ;
 Exit0:           | b   Exit1        |               ;
                  | Fail1:           |               ;
                  | li r6,0          |               ;
                  | stw r6,0(r7)     |               ;
                  | Exit1:           |               ;
exists
(ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r4=0)