
PPC DETOUR1246
"LwSyncdWW Wse PosWW Rfi DpDatadW Wse"
Cycle=Rfi DpDatadW Wse LwSyncdWW Wse PosWW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Ws Ws
Orig=LwSyncdWW Wse PosWW Rfi DpDatadW Wse
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r6=x;
}
P0 | P1 ;
li r1,2 | li r1,2 ;
stw r1,0(r2) | stw r1,0(r2) ;
lwsync | li r3,3 ;
li r3,1 | stw r3,0(r2) ;
stw r3,0(r4) | lwz r4,0(r2) ;
sync | xor r5,r4,r4 ;
lwz r5,0(r4) | addi r5,r5,1 ;
| stw r5,0(r6) ;
Observed
0:r5=2; 1:r4=3; x=2;