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ARM LB+data+detrw-rfi-ctrl
"DpDatadW Rfe DetourRW Rfi DpCtrldW Rfe"
Cycle=Rfi DpCtrldW Rfe DpDatadW Rfe DetourRW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Rf Rf
Orig=DpDatadW Rfe DetourRW Rfi DpCtrldW Rfe
{
%x0=x; %y0=y;
%y1=y; %x1=x;
%y2=y;
}
P0 | P1 | P2 ;
LDR R0,[%x0] | LDR R0,[%y1] | LDR R0,[%y2] ;
EOR R1,R0,R0 | MOV R1,#3 | MOV R1,#2 ;
ADD R1,R1,#1 | STR R1,[%y1] | STR R1,[%y2] ;
STR R1,[%y0] | LDR R2,[%y1] | DMB ;
| CMP R2,R2 | LDR R2,[%y2] ;
| BNE LC00 | ;
| LC00: | ;
| MOV R3,#1 | ;
| STR R3,[%x1] | ;
exists (0:R0=1 /\ 1:R0=0 /\ 1:R2=2 /\ 2:R0=0 /\ 2:R2=2 /\ [y]=2) \/ (0:R0=1 /\ 1:R0=0 /\ 1:R2=2 /\ 2:R0=1 /\ 2:R2=2 /\ [y]=2) \/ (0:R0=1 /\ 1:R0=0 /\ 1:R2=2 /\ 2:R0=3 /\ 2:R2=2 /\ [y]=2)