Test bclwdww029

PPC bclwdww029
"LwSyncsRR Fre LwSyncdWW Rfe LwSyncdRR Fre LwSyncdWW Rfe"
Cycle=LwSyncsRR Fre LwSyncdWW Rfe LwSyncdRR Fre LwSyncdWW Rfe
Relax=BCLwSyncdWW
Safe=Fre LwSyncsRR LwSyncdRR
{
0:r2=z; 0:r4=x;
1:r2=x; 1:r4=y;
2:r2=y; 2:r4=z;
3:r2=z;
}
 P0           | P1           | P2           | P3           ;
 li r1,2      | lwz r1,0(r2) | li r1,1      | lwz r1,0(r2) ;
 stw r1,0(r2) | lwsync       | stw r1,0(r2) | lwsync       ;
 lwsync       | lwz r3,0(r4) | lwsync       | lwz r3,0(r2) ;
 li r3,1      |              | li r3,1      |              ;
 stw r3,0(r4) |              | stw r3,0(r4) |              ;
Observed
    1:r1=1; 1:r3=0; 3:r1=0; 3:r3=2; z=2;