ARM LB+dmb.st+ctrlisb "DMB.STdRW Rfe DpCtrlIsbdW Rfe" Cycle=Rfe DMB.STdRW Rfe DpCtrlIsbdW Prefetch=0:x=F,0:y=W,1:y=F,1:x=W Com=Rf Rf Orig=DMB.STdRW Rfe DpCtrlIsbdW Rfe { %x0=x; %y0=y; %y1=y; %x1=x; } P0 | P1 ; LDR R0,[%x0] | LDR R0,[%y1] ; DMB ST | CMP R0,R0 ; MOV R1,#1 | BNE LC00 ; STR R1,[%y0] | LC00: ; | ISB ; | MOV R1,#1 ; | STR R1,[%x1] ; Observed 0:R0=1; 1:R0=1;