AArch64 R+dmb.st+rfi-ctrl-[fr-rf]-addr
"DMB.STdWW Wse Rfi DpCtrldR FrLeave RfBack DpAddrdR Fre"
Cycle=Rfi DpCtrldR FrLeave RfBack DpAddrdR Fre DMB.STdWW Wse
Relax=
Safe=Rfi Fre Wse DMB.STdWW DpAddrdR DpCtrldR [FrLeave,RfBack]
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Ws Fr Rf
Orig=DMB.STdWW Wse Rfi DpCtrldR FrLeave RfBack DpAddrdR Fre
{
0:X1=x; 0:X3=y;
1:X1=y; 1:X4=z; 1:X8=x;
2:X1=z;
}
P0 | P1 | P2 ;
MOV W0,#1 | MOV W0,#2 | MOV W0,#1 ;
STR W0,[X1] | STR W0,[X1] | STR W0,[X1] ;
DMB ST | LDR W2,[X1] | ;
MOV W2,#1 | CBNZ W2,LC00 | ;
STR W2,[X3] | LC00: | ;
| LDR W3,[X4] | ;
| LDR W5,[X4] | ;
| EOR W6,W5,W5 | ;
| LDR W7,[X8,W6,SXTW] | ;
Observed
z=1; y=1; x=1; 1:X7=0; 1:X5=1; 1:X3=0; 1:X2=1;