AArch64 MP+dmb.sy+addr-ctrl-ctrl-rfi-pos
"DMB.SYdWW Rfe DpAddrdR DpCtrldR DpCtrldW Rfi PosRR Fre"
Cycle=Rfi PosRR Fre DMB.SYdWW Rfe DpAddrdR DpCtrldR DpCtrldW
Relax=
Safe=Rfi Rfe Fre PosRR DMB.SYdWW DpAddrdR DpCtrldW DpCtrldR
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr
Orig=DMB.SYdWW Rfe DpAddrdR DpCtrldR DpCtrldW Rfi PosRR Fre
{
0:X1=x; 0:X3=y;
1:X1=y; 1:X4=z; 1:X6=a; 1:X8=x;
}
P0 | P1 ;
MOV W0,#2 | LDR W0,[X1] ;
STR W0,[X1] | EOR W2,W0,W0 ;
DMB SY | LDR W3,[X4,W2,SXTW] ;
MOV W2,#1 | CBNZ W3,LC00 ;
STR W2,[X3] | LC00: ;
| LDR W5,[X6] ;
| CBNZ W5,LC01 ;
| LC01: ;
| MOV W7,#1 ;
| STR W7,[X8] ;
| LDR W9,[X8] ;
| LDR W10,[X8] ;
Observed
y=1; x=2; 1:X9=2; 1:X10=1; 1:X0=0;