Test WRW+WR+po+poana+WB+UC

X86_64 WRW+WR+po+poana+WB+UC
"Rfe PodRW CoeNaA PodWRANa Fre"
MT=x:WB y:UC
Generator=diyone7 (version 7.56+02~dev)
Prefetch=1:x=F,1:y=W,2:y=F,2:x=T
Com=Rf Co Fr
Orig=Rfe PodRW CoeNaA PodWRANa Fre
Align=
{
}
 P0          | P1            | P2             ;
 movl $1,(x) | movl (x),%eax | movl $2,%eax   ;
             | movl $1,(y)   | xchgl (y),%eax ;
             |               | movl (x),%ebx  ;
exists (y=2 /\ 1:rax=1 /\ 2:rax=1 /\ 2:rbx=0)