
PPC DETOUR1263
"LwSyncdWW Wse PosWR DetourR DpDatadW Wse"
Cycle=Wse PosWR DetourR DpDatadW Wse LwSyncdWW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Ws Ws
Orig=LwSyncdWW Wse PosWR DetourR DpDatadW Wse
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r6=x;
2:r2=y;
}
P0 | P1 | P2 ;
li r1,2 | li r1,2 | li r1,3 ;
stw r1,0(r2) | stw r1,0(r2) | stw r1,0(r2) ;
lwsync | lwz r3,0(r2) | ;
li r3,1 | lwz r4,0(r2) | ;
stw r3,0(r4) | xor r5,r4,r4 | ;
sync | addi r5,r5,1 | ;
lwz r5,0(r4) | stw r5,0(r6) | ;
Observed
0:r5=3; 1:r3=2; 1:r4=3; x=2;