
ARM WWC+data+ctrl
"Rfe DpDatadW Rfe DpCtrldW Wse"
Cycle=Rfe DpDatadW Rfe DpCtrldW Wse
Prefetch=0:x=F,1:x=F,1:y=W,2:y=F,2:x=W
Com=Rf Rf Ws
Orig=Rfe DpDatadW Rfe DpCtrldW Wse
{
%x0=x;
%x1=x; %y1=y;
%y2=y; %x2=x;
}
P0 | P1 | P2 ;
MOV R0,#2 | LDR R0,[%x1] | LDR R0,[%y2] ;
STR R0,[%x0] | EOR R1,R0,R0 | CMP R0,R0 ;
| ADD R1,R1,#1 | BNE LC00 ;
| STR R1,[%y1] | LC00: ;
| | MOV R1,#1 ;
| | STR R1,[%x2] ;
Observed
1:R0=2; 2:R0=1; x=2;