AArch64 MP+dmb.sy+addr-addr-rfi-addr-[fr-rf] "DMB.SYdWW Rfe DpAddrdR DpAddrdW Rfi DpAddrdR FrLeave RfBack Fre" Cycle=Rfi DpAddrdR FrLeave RfBack Fre DMB.SYdWW Rfe DpAddrdR DpAddrdW Relax= Safe=Rfi Rfe Fre DMB.SYdWW DpAddrdW 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 DpAddrdW Rfi DpAddrdR FrLeave RfBack Fre { 0:X1=x; 0:X3=y; 1:X1=y; 1:X4=z; 1:X7=a; 1:X11=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 | EOR W5,W3,W3 | ; STR W2,[X3] | MOV W6,#1 | ; | STR W6,[X7,W5,SXTW] | ; | LDR W8,[X7] | ; | EOR W9,W8,W8 | ; | LDR W10,[X11,W9,SXTW] | ; | LDR W12,[X11] | ; Observed y=1; x=2; a=1; 1:X8=1; 1:X12=1; 1:X10=2; 1:X0=1; and y=1; x=2; a=1; 1:X8=1; 1:X12=0; 1:X10=2; 1:X0=1; and y=1; x=1; a=1; 1:X8=1; 1:X12=0; 1:X10=2; 1:X0=1; and y=1; x=1; a=1; 1:X8=1; 1:X12=0; 1:X10=1; 1:X0=1;