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AArch64 R+dmb.st+rfi-pos-addr-[fr-rf]
"DMB.STdWW Wse Rfi PosRR DpAddrdR FrLeave RfBack Fre"
Cycle=Rfi PosRR DpAddrdR FrLeave RfBack Fre DMB.STdWW Wse
Relax=
Safe=Rfi Fre Wse PosRR DMB.STdWW DpAddrdR [FrLeave,RfBack]
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Ws Fr Rf
Orig=DMB.STdWW Wse Rfi PosRR DpAddrdR FrLeave RfBack Fre
{
0:X1=x; 0:X3=y;
1:X1=y; 1:X6=x;
2:X1=x;
}
P0 | P1 | P2 ;
MOV W0,#2 | MOV W0,#2 | MOV W0,#1 ;
STR W0,[X1] | STR W0,[X1] | STR W0,[X1] ;
DMB ST | LDR W2,[X1] | ;
MOV W2,#1 | LDR W3,[X1] | ;
STR W2,[X3] | EOR W4,W3,W3 | ;
| LDR W5,[X6,W4,SXTW] | ;
| LDR W7,[X6] | ;
Observed
y=2; x=2; 1:X7=1; 1:X5=2; 1:X3=2; 1:X2=2;
and y=1; x=2; 1:X7=1; 1:X5=2; 1:X3=2; 1:X2=2;
and y=2; x=2; 1:X7=0; 1:X5=2; 1:X3=2; 1:X2=2;
and y=1; x=2; 1:X7=0; 1:X5=2; 1:X3=2; 1:X2=2;
and y=2; x=1; 1:X7=0; 1:X5=2; 1:X3=2; 1:X2=2;
and y=1; x=1; 1:X7=0; 1:X5=2; 1:X3=2; 1:X2=2;
and y=2; x=1; 1:X7=2; 1:X5=1; 1:X3=2; 1:X2=2;
and y=1; x=1; 1:X7=2; 1:X5=1; 1:X3=2; 1:X2=2;
and y=2; x=2; 1:X7=0; 1:X5=1; 1:X3=2; 1:X2=2;
and y=1; x=2; 1:X7=0; 1:X5=1; 1:X3=2; 1:X2=2;
and y=2; x=1; 1:X7=0; 1:X5=1; 1:X3=2; 1:X2=2;
and y=1; x=1; 1:X7=0; 1:X5=1; 1:X3=2; 1:X2=2;
and y=1; x=2; 1:X7=1; 1:X5=2; 1:X3=1; 1:X2=2;
and y=1; x=2; 1:X7=0; 1:X5=2; 1:X3=1; 1:X2=2;
and y=1; x=1; 1:X7=0; 1:X5=2; 1:X3=1; 1:X2=2;
and y=1; x=1; 1:X7=2; 1:X5=1; 1:X3=1; 1:X2=2;
and y=1; x=1; 1:X7=0; 1:X5=1; 1:X3=1; 1:X2=2;
and y=1; x=2; 1:X7=1; 1:X5=2; 1:X3=1; 1:X2=1;