Test S+PPO214

PPC S+PPO214
"Wse LwSyncdWW Rfe PosRR DpAddrdW"
Cycle=Rfe PosRR DpAddrdW Wse LwSyncdWW
Relax=
Safe=Rfe Wse PosRR LwSyncdWW DpAddrdW
Prefetch=0:x=F,1:x=W
Orig=Wse LwSyncdWW Rfe PosRR DpAddrdW
{
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)