
PPC MP0115
"LwSyncdWW Rfe PodRR DpCtrlIsyncdR Fre"
Cycle=Rfe PodRR DpCtrlIsyncdR Fre LwSyncdWW
Relax=[Fre,LwSyncdWW,Rfe]
Safe=PodRR DpCtrlIsyncdR
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr
Orig=LwSyncdWW Rfe PodRR DpCtrlIsyncdR Fre
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r4=z; 1:r6=x;
}
P0 | P1 ;
li r1,1 | lwz r1,0(r2) ;
stw r1,0(r2) | lwz r3,0(r4) ;
lwsync | cmpw r3,r3 ;
li r3,1 | beq LC00 ;
stw r3,0(r4) | LC00: ;
| isync ;
| lwz r5,0(r6) ;
Observed
1:r1=1; 1:r5=0;