AArch64 MP+dmb.sy+pos-addr-ctrl-addr-rfi
"DMB.SYdWW Rfe PosRR DpAddrdR DpCtrldR DpAddrdW Rfi Fre"
Cycle=Rfi Fre DMB.SYdWW Rfe PosRR DpAddrdR DpCtrldR DpAddrdW
Relax=
Safe=Rfi Rfe Fre PosRR DMB.SYdWW DpAddrdW DpAddrdR DpCtrldR
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr
Orig=DMB.SYdWW Rfe PosRR DpAddrdR DpCtrldR DpAddrdW Rfi Fre
{
0:X1=x; 0:X3=y;
1:X1=y; 1:X5=z; 1:X7=a; 1:X10=x;
}
P0 | P1 ;
MOV W0,#2 | LDR W0,[X1] ;
STR W0,[X1] | LDR W2,[X1] ;
DMB SY | EOR W3,W2,W2 ;
MOV W2,#1 | LDR W4,[X5,W3,SXTW] ;
STR W2,[X3] | CBNZ W4,LC00 ;
| LC00: ;
| LDR W6,[X7] ;
| EOR W8,W6,W6 ;
| MOV W9,#1 ;
| STR W9,[X10,W8,SXTW] ;
| LDR W11,[X10] ;
Observed
y=1; x=1; 1:X2=0; 1:X11=1; 1:X0=1;