AArch64 S+dmb.ldll+dmb.st "DMB.LDdWWLL RfeLP DMB.STdRW WsePL" Cycle=RfeLP DMB.STdRW WsePL DMB.LDdWWLL Relax= Safe=DMB.LDdWW DMB.STdRW WsePL RfeLP Prefetch=0:x=F,0:y=W,1:y=F,1:x=W Com=Rf Ws Orig=DMB.LDdWWLL RfeLP DMB.STdRW WsePL { 0:X1=x; 0:X3=y; 1:X1=y; 1:X3=x; } P0 | P1 ; MOV W0,#2 | LDR W0,[X1] ; STLR W0,[X1] | DMB ST ; DMB LD | MOV W2,#1 ; MOV W2,#1 | STR W2,[X3] ; STLR W2,[X3] | ; Observed x=2; 1:X0=1;