Test bclwdww004

PPC bclwdww004
"DpsR Fre LwSyncdWW Rfe DpdW Wse LwSyncdWW Rfe"
Cycle=DpsR Fre LwSyncdWW Rfe DpdW Wse LwSyncdWW Rfe
Relax=BCLwSyncdWW
Safe=Fre Wse DpsR DpdW
{
0:r2=z; 0:r4=x;
1:r2=x; 1:r5=y;
2:r2=y; 2:r4=z;
3:r2=z;
}
 P0           | P1            | P2           | P3            ;
 li r1,2      | lwz r1,0(r2)  | li r1,2      | lwz r1,0(r2)  ;
 stw r1,0(r2) | xor r3,r1,r1  | stw r1,0(r2) | xor r3,r1,r1  ;
 lwsync       | li r4,1       | lwsync       | lwzx r4,r3,r2 ;
 li r3,1      | stwx r4,r3,r5 | li r3,1      |               ;
 stw r3,0(r4) |               | stw r3,0(r4) |               ;
exists
(y=2 /\ z=2 /\ 1:r1=1 /\ 3:r1=1 /\ 3:r4=1)