PPC WRC+porp+ctrl+A
"RfeAR PodRWRP Rfe DpCtrldR FrePA"
Cycle=RfeAR PodRWRP Rfe DpCtrldR FrePA
Prefetch=0:x=T,2:x=T
Com=Rf Rf Fr
Orig=RfeAR PodRWRP Rfe DpCtrldR FrePA
{ ok=1;
0:r2=x; 0:r4=ok;
1:r2=x; 1:r4=y;
2:r2=y; 2:r4=x;
}
P0 | P1 | P2 ;
li r1,1 | lwarx r1,r0,r2 | lwz r1,0(r2) ;
lwarx %sta,r0,r2 | li r3,1 | cmpw r1,r1 ;
stwcx. r1,r0,r2 | stw r3,0(r4) | beq LC00 ;
bne Fail0 | | LC00: ;
b Exit0 | | lwz r3,0(r4) ;
Fail0: | | ;
li r3,0 | | ;
stw r3,0(r4) | | ;
Exit0: | | ;
exists
(ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r3=0)