Test LR-SC-diff-loc3

RISCV LR-SC-diff-loc3
{
0:x6=x; 0:x9=y;
1:x6=y; 1:x9=x;
}
 P0                           | P1                           ;
 lr.w x5,0(x6)    (* R x=0 *) | lr.w x5,0(x6)    (* R y=0 *) ;
 ori x7,x0,1                  | ori x7,x0,1                  ;
 sc.w x8,x7,0(x9) (* W y=1 *) | sc.w x8,x7,0(x9) (* W x=1 *) ;
Observed
    y=0; x=1; 1:x8=0; 1:x5=0; 0:x8=1; 0:x5=1;
and y=1; x=1; 1:x8=0; 1:x5=0; 0:x8=0; 0:x5=1;
and y=0; x=1; 1:x8=0; 1:x5=0; 0:x8=1; 0:x5=0;
and y=1; x=0; 1:x8=1; 1:x5=1; 0:x8=0; 0:x5=0;
and y=1; x=1; 1:x8=0; 1:x5=1; 0:x8=0; 0:x5=0;
and y=1; x=0; 1:x8=1; 1:x5=0; 0:x8=0; 0:x5=0;