ARM WRC+dsb.st+ctrlisb "Rfe DSB.STdRW Rfe DpCtrlIsbdR Fre" Cycle=Rfe DSB.STdRW Rfe DpCtrlIsbdR Fre Prefetch=0:x=T,1:x=F,1:y=W,2:y=F,2:x=T Com=Rf Rf Fr Orig=Rfe DSB.STdRW Rfe DpCtrlIsbdR Fre { %x0=x; %x1=x; %y1=y; %y2=y; %x2=x; } P0 | P1 | P2 ; MOV R0,#1 | LDR R0,[%x1] | LDR R0,[%y2] ; STR R0,[%x0] | DSB ST | CMP R0,R0 ; | MOV R1,#1 | BNE LC00 ; | STR R1,[%y1] | LC00: ; | | ISB ; | | LDR R1,[%x2] ; Observed 1:R0=1; 2:R0=1; 2:R1=0;