PPC WRC+ctrl+porr
"Rfe DpCtrldW RfePR PodRRRR FreRP"
Cycle=Rfe DpCtrldW RfePR PodRRRR FreRP
Prefetch=0:x=T,2:x=T
Com=Rf Rf Fr
Orig=Rfe DpCtrldW RfePR PodRRRR FreRP
{
0:r2=x;
1:r2=x; 1:r4=y;
2:r2=y; 2:r4=x;
}
P0 | P1 | P2 ;
li r1,1 | lwz r1,0(r2) | lwarx r1,r0,r2 ;
stw r1,0(r2) | cmpw r1,r1 | lwarx r3,r0,r4 ;
| beq LC00 | ;
| LC00: | ;
| li r3,1 | ;
| stw r3,0(r4) | ;
exists
(1:r1=1 /\ 2:r1=1 /\ 2:r3=0)