AArch64 MP+dmb.sy+popa-swpal-polp Prefetch=0:x=F,0:y=W,1:y=F,1:x=T Com=Rf Fr { 0:X1=x; 0:X3=y; 1:X1=y; 1:X2=z; 1:X7=x; } P0 | P1 ; MOV W0,#1 | LDR W0,[X1] ; STR W0,[X1] | MOV W4,#1 ; DMB SY | SWPAL W5,W4,[X2] ; MOV W2,#1 | LDR W6,[X7] ; STR W2,[X3] | ; exists (1:X0=1 /\ 1:X6=0)