
PPC DETOUR1275
"LwSyncdWW Wse DetourW DpAddrdR DpCtrldW Wse"
Cycle=Wse DetourW DpAddrdR DpCtrldW Wse LwSyncdWW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Ws Ws
Orig=LwSyncdWW Wse DetourW DpAddrdR DpCtrldW Wse
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r6=z; 1:r8=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 | xor r4,r3,r3 | ;
stw r3,0(r4) | lwzx r5,r4,r6 | ;
sync | cmpw r5,r5 | ;
lwz r5,0(r4) | beq LC00 | ;
| LC00: | ;
| li r7,1 | ;
| stw r7,0(r8) | ;
Observed
0:r5=2; 1:r3=3; x=2;