Test WRR+2W+lwsync+rfipr-datarp

PPC WRR+2W+lwsync+rfipr-datarp
"Rfe LwSyncdRR Fre RfiPR DpDatadWRP Wse"
Prefetch=0:x=F,1:y=T,2:x=W
Com=Rf Fr Ws
Orig=Rfe LwSyncdRR Fre RfiPR DpDatadWRP Wse
{
0:r2=x;
1:r2=x; 1:r4=y;
2:r2=y; 2:r5=x;
}
 P0           | P1           | P2             ;
 li r1,2      | lwz r1,0(r2) | li r1,1        ;
 stw r1,0(r2) | lwsync       | stw r1,0(r2)   ;
              | lwz r3,0(r4) | lwarx r3,r0,r2 ;
              |              | xor r4,r3,r3   ;
              |              | addi r4,r4,1   ;
              |              | stw r4,0(r5)   ;
exists
(x=2 /\ 1:r1=2 /\ 1:r3=0 /\ 2:r3=1)