LISA wrw+2w+fencembonceonce+fencewmbonceonce+Once "RfeOnceOnce FenceMbdRWOnceOnce WseOnceOnce FenceWmbdWWOnceOnce WseOnceOnce" Cycle=RfeOnceOnce FenceMbdRWOnceOnce WseOnceOnce FenceWmbdWWOnceOnce WseOnceOnce Relax=FenceWmbdWW Safe=FenceMbdRW RfeOnceOnce WseOnceOnce Prefetch=1:x=F,1:y=W,2:y=F,2:x=W Com=Rf Ws Ws Orig=RfeOnceOnce FenceMbdRWOnceOnce WseOnceOnce FenceWmbdWWOnceOnce WseOnceOnce { } P0 | P1 | P2 ; w[once] x 2 | r[once] r0 x | w[once] y 2 ; | f[mb] | f[wmb] ; | w[once] y 1 | w[once] x 1 ; Observed y=2; x=2; 1:r0=2;