
ARM IRIW+addr+ctrlisb
"Rfe DpAddrdR Fre Rfe DpCtrlIsbdR Fre"
Cycle=Rfe DpAddrdR Fre Rfe DpCtrlIsbdR Fre
Prefetch=0:x=T,1:x=F,1:y=T,2:y=T,3:y=F,3:x=T
Com=Rf Fr Rf Fr
Orig=Rfe DpAddrdR Fre Rfe DpCtrlIsbdR Fre
{
%x0=x;
%x1=x; %y1=y;
%y2=y;
%y3=y; %x3=x;
}
P0 | P1 | P2 | P3 ;
MOV R0,#1 | LDR R0,[%x1] | MOV R0,#1 | LDR R0,[%y3] ;
STR R0,[%x0] | EOR R1,R0,R0 | STR R0,[%y2] | CMP R0,R0 ;
| LDR R2,[R1,%y1] | | BNE LC00 ;
| | | LC00: ;
| | | ISB ;
| | | LDR R1,[%x3] ;
Observed
1:R0=1; 1:R2=0; 3:R0=1; 3:R1=0;