AArch64 MP+dmb.sy+ctrl-pos-fri-rfi-pos
"DMB.SYdWW Rfe DpCtrldR PosRR Fri Rfi PosRR Fre"
Cycle=Rfi PosRR Fre DMB.SYdWW Rfe DpCtrldR PosRR 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 PosRR Fri Rfi PosRR Fre
{
0:X1=x; 0:X3=y;
1:X1=y; 1:X3=x;
}
P0 | P1 ;
MOV W0,#2 | LDR W0,[X1] ;
STR W0,[X1] | CBNZ W0,LC00 ;
DMB SY | LC00: ;
MOV W2,#1 | LDR W2,[X3] ;
STR W2,[X3] | LDR W4,[X3] ;
| MOV W5,#1 ;
| STR W5,[X3] ;
| LDR W6,[X3] ;
| LDR W7,[X3] ;
Observed
y=1; x=1; 1:X7=1; 1:X6=1; 1:X4=0; 1:X2=2; 1:X0=0;