Test S0078

PPC S0078
"LwSyncdWW Rfe PosRR DpAddrdW Wse"
Cycle=Rfe PosRR DpAddrdW Wse LwSyncdWW
Relax=[Wse,LwSyncdWW,Rfe]
Safe=PosRR DpAddrdW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Rf Ws
Orig=LwSyncdWW Rfe PosRR DpAddrdW Wse
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r6=x;
}
 P0           | P1            ;
 li r1,2      | lwz r1,0(r2)  ;
 stw r1,0(r2) | lwz r3,0(r2)  ;
 lwsync       | xor r4,r3,r3  ;
 li r3,1      | li r5,1       ;
 stw r3,0(r4) | stwx r5,r4,r6 ;
exists
(x=2 /\ 1:r1=1)