Test WRW+WR+addrap+sync

PPC WRW+WR+addrap+sync
"RfePA DpAddrdWAP Wse SyncdWR Fre"
Cycle=RfePA DpAddrdWAP Wse SyncdWR Fre
Prefetch=0:x=T,1:y=W,2:y=F,2:x=T
Com=Rf Ws Fr
Orig=RfePA DpAddrdWAP Wse SyncdWR Fre
{ ok=1;
0:r2=x;
1:r2=x; 1:r5=y; 1:r7=ok;
2:r2=y; 2:r4=x;
}
 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      | sync         ;
              | xor r3,r1,r1    | lwz r3,0(r4) ;
              | li r4,1         |              ;
              | stwx r4,r3,r5   |              ;
              | b   Exit1       |              ;
              | Fail1:          |              ;
              | li r6,0         |              ;
              | stw r6,0(r7)    |              ;
              | Exit1:          |              ;
exists
(ok=1 /\ y=2 /\ 1:r1=1 /\ 2:r3=0)