Test WWC+addrra+addraa

PPC WWC+addrra+addraa
"RfePR DpAddrdWRA RfeAA DpAddrdWAA WseAP"
Cycle=RfeAA DpAddrdWAA WseAP RfePR DpAddrdWRA
Prefetch=0:x=F,2:x=W
Com=Rf Rf Ws
Orig=RfePR DpAddrdWRA RfeAA DpAddrdWAA WseAP
{ ok=1;
0:r2=x;
1:r2=x; 1:r5=y; 1:r7=ok;
2:r2=y; 2:r5=x; 2:r7=ok;
}
 P0           | P1               | P2               ;
 li r1,2      | lwarx r1,r0,r2   | lwarx r1,r0,r2   ;
 stw r1,0(r2) | xor r3,r1,r1     | stwcx. r1,r0,r2  ;
              | li r4,1          | bne  Fail2       ;
              | lwarx %sta,r3,r5 | xor r3,r1,r1     ;
              | stwcx. r4,r3,r5  | li r4,1          ;
              | bne  Fail1       | lwarx %sta,r3,r5 ;
              | b   Exit1        | stwcx. r4,r3,r5  ;
              | Fail1:           | bne  Fail2       ;
              | li r6,0          | b   Exit2        ;
              | stw r6,0(r7)     | Fail2:           ;
              | Exit1:           | li r6,0          ;
              |                  | stw r6,0(r7)     ;
              |                  | Exit2:           ;
exists
(ok=1 /\ x=2 /\ 1:r1=2 /\ 2:r1=1)