Test 2+2W0021

PPC 2+2W0021
"LwSyncdWW Wse PodWR DpAddrdR DpCtrldW Wse"
Cycle=Wse PodWR DpAddrdR DpCtrldW Wse LwSyncdWW
Relax=[Wse,LwSyncdWW,Wse]
Safe=PodWR DpAddrdR DpCtrldW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Ws Ws
Orig=LwSyncdWW Wse PodWR DpAddrdR DpCtrldW Wse
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r4=z; 1:r7=a; 1:r9=x;
}
 P0           | P1            ;
 li r1,2      | li r1,2       ;
 stw r1,0(r2) | stw r1,0(r2)  ;
 lwsync       | lwz r3,0(r4)  ;
 li r3,1      | xor r5,r3,r3  ;
 stw r3,0(r4) | lwzx r6,r5,r7 ;
              | cmpw r6,r6    ;
              | beq  LC00     ;
              | LC00:         ;
              | li r8,1       ;
              | stw r8,0(r9)  ;
exists
(x=2 /\ y=2)