X86 F02 "MFencedWR Fre MFencedWR Fre" { } P0 | P1 ; MOV [y],$1 | MOV [x],$1 ; MFENCE | MFENCE ; MOV EAX,[x] | MOV EAX,[y] ; exists (0:EAX=0 /\ 1:EAX=0)