Test WRR+2W+pos+posnant+WC

X86_64 WRR+2W+pos+posnant+WC
"Rfe PosRR Fre PosWWNaNT CoeNTNa"
MT=x:WC
Cycle=Rfe PosRR Fre PosWWNaNT CoeNTNa
Generator=diyone7 (version 7.56+02~dev)
Com=Rf Fr Co
Orig=Rfe PosRR Fre PosWWNaNT CoeNTNa
Align=
{
2:rax=x;
}
 P0          | P1            | P2                  ;
 movl $1,(x) | movl (x),%eax | movl $2,(x)         ;
             | movl (x),%ebx | movl $3,%ebx        ;
             | movl (x),%ecx | movntil %ebx,(%rax) ;
             |               | movl (x),%ecx       ;
exists (1:rax=2 /\ 1:rbx=2 /\ 1:rcx=1 /\ 2:rcx=3 /\ [x]=1)