Test S0040

PPC S0040
"PosWR DpAddrdR PosRW Rfe DpDatadW Wse"
Cycle=Rfe DpDatadW Wse PosWR DpAddrdR PosRW
Relax=[Rfe,DpDatadW,Wse]
Safe=PosWR PosRW DpAddrdR
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Rf Ws
Orig=PosWR DpAddrdR PosRW Rfe DpDatadW Wse
{
0:r2=x; 0:r6=y;
1:r2=y; 1:r4=x;
}
 P0            | P1           ;
 li r1,2       | lwz r1,0(r2) ;
 stw r1,0(r2)  | xor r3,r1,r1 ;
 lwz r3,0(r2)  | addi r3,r3,1 ;
 xor r4,r3,r3  | stw r3,0(r4) ;
 lwzx r5,r4,r6 |              ;
 li r7,1       |              ;
 stw r7,0(r6)  |              ;
exists
(x=2 /\ 1:r1=1)