Test MP+clflushoptother+mfence+WC+WC

X86_64 MP+clflushoptother+mfence+WC+WC
"ClFlushOptOtherdWW Rfe MFencedRR Fre"
MT=x:WC y:WC
Generator=diyone7 (version 7.56+02~dev)
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr
Orig=ClFlushOptOtherdWW Rfe MFencedRR Fre
Align=
{
}
 P0              | P1            ;
 movl $1,(x)     | movl (y),%eax ;
 clflushopt (_z) | mfence        ;
 movl $1,(y)     | movl (x),%ebx ;
exists (1:rax=1 /\ 1:rbx=0)