Test WRW+WR+lwsyncaa+lwsyncpa

PPC WRW+WR+lwsyncaa+lwsyncpa
"RfePA LwSyncdRWAA WseAP LwSyncdWRPA FreAP"
Cycle=RfePA LwSyncdRWAA WseAP LwSyncdWRPA FreAP
Prefetch=0:x=T,1:y=W,2:y=F,2:x=T
Com=Rf Ws Fr
Orig=RfePA LwSyncdRWAA WseAP LwSyncdWRPA FreAP
{ ok=1;
0:r2=x;
1:r2=x; 1:r4=y; 1:r6=ok;
2:r2=y; 2:r4=x; 2:r6=ok;
}
 P0           | P1               | P2              ;
 li r1,1      | lwarx r1,r0,r2   | li r1,2         ;
 stw r1,0(r2) | stwcx. r1,r0,r2  | stw r1,0(r2)    ;
              | bne  Fail1       | lwsync          ;
              | lwsync           | lwarx r3,r0,r4  ;
              | li r3,1          | stwcx. r3,r0,r4 ;
              | lwarx %sta,r0,r4 | bne  Fail2      ;
              | stwcx. r3,r0,r4  | b   Exit2       ;
              | bne  Fail1       | Fail2:          ;
              | b   Exit1        | li r5,0         ;
              | Fail1:           | stw r5,0(r6)    ;
              | li r5,0          | Exit2:          ;
              | stw r5,0(r6)     |                 ;
              | Exit1:           |                 ;
exists
(ok=1 /\ y=2 /\ 1:r1=1 /\ 2:r3=0)