
ARM DETOUR0474
"PosWR Fri PodWW Rfe DpDatadW Wse"
Cycle=Rfe DpDatadW Wse PosWR Fri PodWW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Rf Ws
Orig=PosWR Fri PodWW Rfe DpDatadW Wse
{
%x0=x; %y0=y;
%y1=y; %x1=x;
}
P0 | P1 ;
MOV R0,#2 | LDR R0,[%y1] ;
STR R0,[%x0] | EOR R1,R0,R0 ;
LDR R1,[%x0] | ADD R1,R1,#1 ;
MOV R2,#3 | STR R1,[%x1] ;
STR R2,[%x0] | DMB ;
MOV R3,#1 | LDR R2,[%x1] ;
STR R3,[%y0] | ;
Observed
0:R1=1; 1:R0=1; 1:R2=1;
and 0:R1=2; 1:R0=1; 1:R2=2;
and 0:R1=1; 1:R0=1; 1:R2=3;