AArch64 MP+dmb.sy+addrpx-posxp-var
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr
Orig=DMB.SYdWW Rfe DpAddrdWPX PosWRXP Fre
{
0:X1=x; 0:X3=y;
1:X1=y; 1:X3=x;
}
P0 | P1 ;
MOV W0,#2 | LDR W0,[X1] ;
STR W0,[X1] | EOR W2,W0,W0 ;
DMB SY | MOV W5,#1 ;
MOV W2,#1 | ADD X4,X3,W2,SXTW ;
STR W2,[X3] | STXR W7,W5,[X4] ;
| LDR W8,[X3] ;
exists
(x=2 /\ 1:X0=1 /\ 1:X8=0 /\ 1:X7=1)