Test WRC+addr+lwsyncra+A

PPC WRC+addr+lwsyncra+A
"RfeAP DpAddrdW RfePR LwSyncdRRRA FreAA"
Cycle=RfeAP DpAddrdW RfePR LwSyncdRRRA FreAA
Prefetch=0:x=T,2:x=T
Com=Rf Rf Fr
Orig=RfeAP DpAddrdW RfePR LwSyncdRRRA FreAA
{ ok=1;
0:r2=x; 0:r4=ok;
1:r2=x; 1:r5=y;
2:r2=y; 2:r4=x; 2:r6=ok;
}
 P0               | P1            | P2              ;
 li r1,1          | lwz r1,0(r2)  | lwarx r1,r0,r2  ;
 lwarx %sta,r0,r2 | xor r3,r1,r1  | lwsync          ;
 stwcx. r1,r0,r2  | li r4,1       | lwarx r3,r0,r4  ;
 bne  Fail0       | stwx r4,r3,r5 | stwcx. r3,r0,r4 ;
 b   Exit0        |               | bne  Fail2      ;
 Fail0:           |               | b   Exit2       ;
 li r3,0          |               | Fail2:          ;
 stw r3,0(r4)     |               | li r5,0         ;
 Exit0:           |               | stw r5,0(r6)    ;
                  |               | Exit2:          ;
exists
(ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r3=0)