X86_64 WRW+WR+po+mfence+WB+UC "Rfe PodRW Coe MFencedWR 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 Coe MFencedWR Fre Align= { } P0 | P1 | P2 ; movl $1,(x) | movl (x),%eax | movl $2,(y) ; | movl $1,(y) | mfence ; | | movl (x),%eax ; exists (y=2 /\ 1:rax=1 /\ 2:rax=0)