Test LB+data-pos+pos-data

Executions for behaviour: "0:r1=1 ; 1:r1=1 ; y=2"

PPC LB+data-pos+pos-data
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r5=x;
}
 P0           | P1           ;
 lwz r1,0(r2) | lwz r1,0(r2) ;
 xor r3,r1,r1 | lwz r3,0(r2) ;
 addi r3,r3,1 | xor r4,r3,r3 ;
 stw r3,0(r4) | addi r4,r4,1 ;
 li r5,2      | stw r4,0(r5) ;
 stw r5,0(r4) |              ;
exists
(y=2 /\ 0:r1=1 /\ 1:r1=1)