Test N2L2

PPC N2L2
"2 independant b3 tests, interesting condition"
{
P0:r4=x ; P0:r5=y ;
P1:r4=x ; P1:r5=y ;
P2:r4=x ; P2:r5=y ;
P3:r4=x ; P3:r5=y ;
P2:r1=2 ;
P3:r1=1 ;
}

P0            |P1            |P2           |P3           ;
lwz r1,0(r4)  |lwz r1,0(r4)  |stw r1,0(r5) |stw r1,0(r5) ;
xor r9,r1,r1  |xor r9,r1,r1  |lwsync       |lwsync       ;
lwzx r2,r9,r5 |lwzx r2,r9,r5 |stw r1,0(r4) |stw r1,0(r4) ;
              |              |lwz r2,0(r4) |lwz r2,0(r4);
              |              |lwz r3,0(r5) |lwz r3,0(r5);
Observed
    0:r1=1; 0:r2=1; 1:r1=2; 1:r2=2; 2:r2=2; 2:r3=1; 3:r2=2; 3:r3=1;
and 0:r1=2; 0:r2=1; 1:r1=2; 1:r2=2; 2:r2=2; 2:r3=1; 3:r2=2; 3:r3=1;
and 0:r1=2; 0:r2=2; 1:r1=2; 1:r2=2; 2:r2=2; 2:r3=1; 3:r2=2; 3:r3=1;
and 0:r1=1; 0:r2=1; 1:r1=0; 1:r2=0; 2:r2=1; 2:r3=2; 3:r2=1; 3:r3=2;
and 0:r1=0; 0:r2=0; 1:r1=1; 1:r2=1; 2:r2=1; 2:r3=2; 3:r2=1; 3:r3=2;
and 0:r1=1; 0:r2=1; 1:r1=1; 1:r2=1; 2:r2=1; 2:r3=2; 3:r2=1; 3:r3=2;
and 0:r1=1; 0:r2=2; 1:r1=1; 1:r2=1; 2:r2=1; 2:r3=2; 3:r2=1; 3:r3=2;
and 0:r1=2; 0:r2=2; 1:r1=1; 1:r2=1; 2:r2=1; 2:r3=2; 3:r2=1; 3:r3=2;
and 0:r1=1; 0:r2=1; 1:r1=0; 1:r2=2; 2:r2=1; 2:r3=2; 3:r2=1; 3:r3=2;
and 0:r1=1; 0:r2=1; 1:r1=1; 1:r2=2; 2:r2=1; 2:r3=2; 3:r2=1; 3:r3=2;
and 0:r1=1; 0:r2=1; 1:r1=2; 1:r2=2; 2:r2=1; 2:r3=2; 3:r2=1; 3:r3=2;