
PPC MP0101
"LwSyncdWW Rfe PodRR DpAddrdR DpCtrlIsyncdR Fre"
Cycle=Rfe PodRR DpAddrdR DpCtrlIsyncdR Fre LwSyncdWW
Relax=[Fre,LwSyncdWW,Rfe]
Safe=PodRR DpAddrdR DpCtrlIsyncdR
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr
Orig=LwSyncdWW Rfe PodRR DpAddrdR DpCtrlIsyncdR Fre
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r4=z; 1:r7=a; 1:r9=x;
}
P0 | P1 ;
li r1,1 | lwz r1,0(r2) ;
stw r1,0(r2) | lwz r3,0(r4) ;
lwsync | xor r5,r3,r3 ;
li r3,1 | lwzx r6,r5,r7 ;
stw r3,0(r4) | cmpw r6,r6 ;
| beq LC00 ;
| LC00: ;
| isync ;
| lwz r8,0(r9) ;
Observed
1:r1=1; 1:r8=0;