AArch64 MP+dmb.sy+ctrl-data-rfi-ctrl-pos
"DMB.SYdWW Rfe DpCtrldR DpDatadW Rfi DpCtrldR PosRR Fre"
Cycle=Rfi DpCtrldR PosRR Fre DMB.SYdWW Rfe DpCtrldR DpDatadW
Relax=
Safe=Rfi Rfe Fre PosRR DMB.SYdWW DpDatadW DpCtrldR
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr
Orig=DMB.SYdWW Rfe DpCtrldR DpDatadW Rfi DpCtrldR PosRR Fre
{
0:X1=x; 0:X3=y;
1:X1=y; 1:X3=z; 1:X5=a; 1:X8=x;
}
P0 | P1 ;
MOV W0,#1 | LDR W0,[X1] ;
STR W0,[X1] | CBNZ W0,LC00 ;
DMB SY | LC00: ;
MOV W2,#1 | LDR W2,[X3] ;
STR W2,[X3] | EOR W4,W2,W2 ;
| ADD W4,W4,#1 ;
| STR W4,[X5] ;
| LDR W6,[X5] ;
| CBNZ W6,LC01 ;
| LC01: ;
| LDR W7,[X8] ;
| LDR W9,[X8] ;
Observed
y=1; x=1; a=1; 1:X9=0; 1:X7=1; 1:X6=1; 1:X0=1;
and y=1; x=1; a=1; 1:X9=0; 1:X7=1; 1:X6=1; 1:X0=0;