Test S+PPO849

PPC S+PPO849
"Wse LwSyncdWW Rfe DpAddrdR PosRW"
Cycle=Rfe DpAddrdR PosRW Wse LwSyncdWW
Relax=
Safe=Rfe Wse PosRW LwSyncdWW DpAddrdR
Prefetch=0:x=F,1:x=W
Orig=Wse LwSyncdWW Rfe DpAddrdR PosRW
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r5=x;
}
 P0           | P1            ;
 li r1,2      | lwz r1,0(r2)  ;
 stw r1,0(r2) | xor r3,r1,r1  ;
 lwsync       | lwzx r4,r3,r5 ;
 li r3,1      | li r6,1       ;
 stw r3,0(r4) | stw r6,0(r5)  ;
exists
(x=2 /\ 1:r1=1)