Test WRR+2W+addrrr+sync+A

PPC WRR+2W+addrrr+sync+A
"RfeAR DpAddrdRRR FreRP SyncdWW WsePA"
Cycle=RfeAR DpAddrdRRR FreRP SyncdWW WsePA
Prefetch=0:x=F,1:y=T,2:x=W
Com=Rf Fr Ws
Orig=RfeAR DpAddrdRRR FreRP SyncdWW WsePA
{ ok=1;
0:r2=x; 0:r4=ok;
1:r2=x; 1:r5=y;
2:r2=y; 2:r4=x;
}
 P0               | P1             | P2           ;
 li r1,2          | lwarx r1,r0,r2 | li r1,1      ;
 lwarx %sta,r0,r2 | xor r3,r1,r1   | stw r1,0(r2) ;
 stwcx. r1,r0,r2  | lwarx r4,r3,r5 | sync         ;
 bne  Fail0       |                | li r3,1      ;
 b   Exit0        |                | stw r3,0(r4) ;
 Fail0:           |                |              ;
 li r3,0          |                |              ;
 stw r3,0(r4)     |                |              ;
 Exit0:           |                |              ;
exists
(ok=1 /\ x=2 /\ 1:r1=2 /\ 1:r4=0)