AArch64 MP+dmb.sy+addr-fri-rfi-addr-[fr-rf] "DMB.SYdWW Rfe DpAddrdR Fri Rfi DpAddrdR FrLeave RfBack Fre" Cycle=Rfi DpAddrdR FrLeave RfBack Fre DMB.SYdWW Rfe DpAddrdR Fri Relax= Safe=Rfi Rfe Fri Fre 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 DpAddrdR Fri Rfi DpAddrdR FrLeave RfBack Fre { 0:X1=x; 0:X3=y; 1:X1=y; 1:X4=z; 1:X9=x; 2:X1=x; } P0 | P1 | P2 ; MOV W0,#2 | LDR W0,[X1] | MOV W0,#1 ; STR W0,[X1] | EOR W2,W0,W0 | STR W0,[X1] ; DMB SY | LDR W3,[X4,W2,SXTW] | ; MOV W2,#1 | MOV W5,#1 | ; STR W2,[X3] | STR W5,[X4] | ; | LDR W6,[X4] | ; | EOR W7,W6,W6 | ; | LDR W8,[X9,W7,SXTW] | ; | LDR W10,[X9] | ; Observed z=1; y=1; x=2; 1:X8=2; 1:X6=1; 1:X3=0; 1:X10=1; 1:X0=1; and z=1; y=1; x=2; 1:X8=2; 1:X6=1; 1:X3=0; 1:X10=0; 1:X0=1; and z=1; y=1; x=1; 1:X8=2; 1:X6=1; 1:X3=0; 1:X10=0; 1:X0=1; and z=1; y=1; x=1; 1:X8=1; 1:X6=1; 1:X3=0; 1:X10=0; 1:X0=1;