AArch64 MP+dmb.sy+pos-ctrl-data-[ws-rf]-ctrl "DMB.SYdWW Rfe PosRR DpCtrldR DpDatadW WsLeave RfBack DpCtrldR Fre" Cycle=Rfe PosRR DpCtrldR DpDatadW WsLeave RfBack DpCtrldR Fre DMB.SYdWW Relax= Safe=Rfe Fre PosRR DMB.SYdWW DpDatadW DpCtrldR [WsLeave,RfBack] Prefetch=0:x=F,0:y=W,1:y=F,1:x=T Com=Rf Fr Rf Orig=DMB.SYdWW Rfe PosRR DpCtrldR DpDatadW WsLeave RfBack DpCtrldR Fre { 0:X1=x; 0:X3=y; 1:X1=y; 1:X4=z; 1:X6=a; 1:X9=x; 2:X1=a; } P0 | P1 | P2 ; MOV W0,#1 | LDR W0,[X1] | MOV W0,#2 ; STR W0,[X1] | LDR W2,[X1] | STR W0,[X1] ; DMB SY | CBNZ W2,LC00 | ; MOV W2,#1 | LC00: | ; STR W2,[X3] | LDR W3,[X4] | ; | EOR W5,W3,W3 | ; | ADD W5,W5,#1 | ; | STR W5,[X6] | ; | LDR W7,[X6] | ; | CBNZ W7,LC01 | ; | LC01: | ; | LDR W8,[X9] | ; Observed y=1; x=1; a=2; 1:X8=0; 1:X7=2; 1:X2=1; 1:X0=0;