AArch64 MP+dmb.sy+ctrl-fri-rfi-ctrl-pos
"DMB.SYdWW Rfe DpCtrldR Fri Rfi DpCtrldR PosRR Fre"
Cycle=Rfi DpCtrldR PosRR Fre DMB.SYdWW Rfe DpCtrldR Fri
Relax=
Safe=Rfi Rfe Fri Fre PosRR DMB.SYdWW DpCtrldR
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr
Orig=DMB.SYdWW Rfe DpCtrldR Fri Rfi DpCtrldR PosRR Fre
{
0:X1=x; 0:X3=y;
1:X1=y; 1:X3=z; 1:X7=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] | MOV W4,#1 ;
| STR W4,[X3] ;
| LDR W5,[X3] ;
| CBNZ W5,LC01 ;
| LC01: ;
| LDR W6,[X7] ;
| LDR W8,[X7] ;
Observed
z=1; y=1; x=1; 1:X8=0; 1:X6=1; 1:X5=1; 1:X2=0; 1:X0=1;
and z=1; y=1; x=1; 1:X8=0; 1:X6=1; 1:X5=1; 1:X2=0; 1:X0=0;