
ARM IRRWIW+ctrlisb+data
"Rfe DpCtrlIsbdR Fre Rfe DpDatadW Wse"
Cycle=Rfe DpDatadW Wse Rfe DpCtrlIsbdR Fre
Prefetch=0:x=F,1:x=F,1:y=T,2:y=T,3:y=F,3:x=W
Com=Rf Fr Rf Ws
Orig=Rfe DpCtrlIsbdR Fre Rfe DpDatadW Wse
{
%x0=x;
%x1=x; %y1=y;
%y2=y;
%y3=y; %x3=x;
}
P0 | P1 | P2 | P3 ;
MOV R0,#2 | LDR R0,[%x1] | MOV R0,#1 | LDR R0,[%y3] ;
STR R0,[%x0] | CMP R0,R0 | STR R0,[%y2] | EOR R1,R0,R0 ;
| BNE LC00 | | ADD R1,R1,#1 ;
| LC00: | | STR R1,[%x3] ;
| ISB | | ;
| LDR R1,[%y1] | | ;
Observed
1:R0=1; 1:R1=0; 3:R0=1; x=1;
and 1:R0=1; 1:R1=0; 3:R0=1; x=2;
and 1:R0=2; 1:R1=0; 3:R0=1; x=2;