
PPC MOREDETOUR0122
"DpDatadW Rfe DetourRW Wsi Rfi DpAddrdW Rfe"
Cycle=Rfi DpAddrdW Rfe DpDatadW Rfe DetourRW Wsi
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Rf Rf
Orig=DpDatadW Rfe DetourRW Wsi Rfi DpAddrdW Rfe
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r8=x;
2:r2=y;
}
P0 | P1 | P2 ;
lwz r1,0(r2) | lwz r1,0(r2) | lwz r1,0(r2) ;
xor r3,r1,r1 | li r3,3 | li r3,2 ;
addi r3,r3,1 | stw r3,0(r2) | stw r3,0(r2) ;
stw r3,0(r4) | li r4,4 | sync ;
| stw r4,0(r2) | lwz r4,0(r2) ;
| lwz r5,0(r2) | ;
| xor r6,r5,r5 | ;
| li r7,1 | ;
| stwx r7,r6,r8 | ;
Observed
0:r1=1; 1:r1=0; 1:r5=2; 2:r1=3; 2:r4=1;
and 0:r1=0; 1:r1=0; 1:r5=1; 2:r1=0; 2:r4=3;
and 0:r1=0; 1:r1=2; 1:r5=1; 2:r1=0; 2:r4=3;
and 0:r1=0; 1:r1=0; 1:r5=1; 2:r1=3; 2:r4=4;