Test S0121

PPC S0121
"LwSyncdWW Rfe DpAddrdW PodWR DpCtrldW Wse"
Cycle=Rfe DpAddrdW PodWR DpCtrldW Wse LwSyncdWW
Relax=[Wse,LwSyncdWW,Rfe]
Safe=PodWR DpAddrdW DpCtrldW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Rf Ws
Orig=LwSyncdWW Rfe DpAddrdW PodWR DpCtrldW Wse
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r5=z; 1:r7=a; 1:r9=x;
}
 P0           | P1            ;
 li r1,2      | lwz r1,0(r2)  ;
 stw r1,0(r2) | xor r3,r1,r1  ;
 lwsync       | li r4,1       ;
 li r3,1      | stwx r4,r3,r5 ;
 stw r3,0(r4) | lwz r6,0(r7)  ;
              | cmpw r6,r6    ;
              | beq  LC00     ;
              | LC00:         ;
              | li r8,1       ;
              | stw r8,0(r9)  ;
exists
(x=2 /\ 1:r1=1)