Test S+clflushoptother+mfence+WB+WC

X86_64 S+clflushoptother+mfence+WB+WC
"ClFlushOptOtherdWW Rfe MFencedRW Coe"
MT=x:WB y:WC
Generator=diyone7 (version 7.56+02~dev)
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Rf Co
Orig=ClFlushOptOtherdWW Rfe MFencedRW Coe
Align=
{
}
 P0              | P1            ;
 movl $2,(x)     | movl (y),%eax ;
 clflushopt (_z) | mfence        ;
 movl $1,(y)     | movl $1,(x)   ;
exists (1:rax=1 /\ [x]=2)