AArch64 R+dmb.sy+rfipw-poswp-ctrlisb+BIS "based on DMB.SYdWW Wse Rfi PosRR DpCtrlIsbdR Fre" Prefetch=0:x=F,0:y=W,1:y=F,1:x=T Com=Ws Fr { 0:X1=x; 0:X3=y; 1:X1=y; 1:X5=x; 1:X4=0x22; 1:X0=0x1111; } P0 | P1 ; MOV W0,#1 | ; STR W0,[X1] | STRH W0,[X1] ; DMB SY | LDRH W2,[X1] ; MOV W2,#01 | LDRB W3,[X1,#1] ; STRB W2,[X3] | CBNZ W3,LC00 ; | B END ; | LC00: ; | ISB ; | LDR W4,[X5] ; | END: ; Observed y=0x1101; 1:X4=0x0; 1:X3=0x11; 1:X2=0x1101;