Test bclwdww020

PPC bclwdww020
"DpdR Fre LwSyncdWW Rfe DpdR Fre LwSyncdWW Rfe"
Cycle=DpdR Fre LwSyncdWW Rfe DpdR Fre LwSyncdWW Rfe
Relax=BCLwSyncdWW
Safe=Fre DpdR
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r5=z;
2:r2=z; 2:r4=a;
3:r2=a; 3:r5=x;
}
 P0           | P1            | P2           | P3            ;
 li r1,1      | lwz r1,0(r2)  | li r1,1      | lwz r1,0(r2)  ;
 stw r1,0(r2) | xor r3,r1,r1  | stw r1,0(r2) | xor r3,r1,r1  ;
 lwsync       | lwzx r4,r3,r5 | lwsync       | lwzx r4,r3,r5 ;
 li r3,1      |               | li r3,1      |               ;
 stw r3,0(r4) |               | stw r3,0(r4) |               ;
exists
(1:r1=1 /\ 1:r4=0 /\ 3:r1=1 /\ 3:r4=0)