AArch64 MP+dmb.sy+pos-fri-rfi-addr-[fr-rf] "DMB.SYdWW Rfe PosRR Fri Rfi DpAddrdR FrLeave RfBack Fre" Cycle=Rfi DpAddrdR FrLeave RfBack Fre DMB.SYdWW Rfe PosRR Fri Relax= Safe=Rfi Rfe Fri Fre PosRR DMB.SYdWW DpAddrdR [FrLeave,RfBack] Prefetch=0:x=F,0:y=W,1:y=F,1:x=T Com=Rf Fr Rf Orig=DMB.SYdWW Rfe PosRR Fri Rfi DpAddrdR FrLeave RfBack Fre { 0:X1=x; 0:X3=y; 1:X1=y; 1:X7=x; 2:X1=x; } P0 | P1 | P2 ; MOV W0,#2 | LDR W0,[X1] | MOV W0,#1 ; STR W0,[X1] | LDR W2,[X1] | STR W0,[X1] ; DMB SY | MOV W3,#2 | ; MOV W2,#1 | STR W3,[X1] | ; STR W2,[X3] | LDR W4,[X1] | ; | EOR W5,W4,W4 | ; | LDR W6,[X7,W5,SXTW] | ; | LDR W8,[X7] | ; Observed y=2; x=2; 1:X8=1; 1:X6=0; 1:X4=2; 1:X2=1; 1:X0=1;