
PPC R+po+syncpa
"PodWW Wse SyncdWRPA FreAP"
Cycle=FreAP PodWW Wse SyncdWRPA
Prefetch=0:y=W,1:y=F,1:x=T
Com=Ws Fr
Orig=PodWW Wse SyncdWRPA FreAP
{ ok=1;
0:r2=x; 0:r4=y;
1:r2=y; 1:r4=x; 1:r6=ok;
}
P0 | P1 ;
li r1,1 | li r1,2 ;
stw r1,0(r2) | stw r1,0(r2) ;
li r3,1 | sync ;
stw r3,0(r4) | lwarx r3,r0,r4 ;
| stwcx. r3,r0,r4 ;
| bne Fail1 ;
| b Exit1 ;
| Fail1: ;
| li r5,0 ;
| stw r5,0(r6) ;
| Exit1: ;
exists
(ok=1 /\ y=2 /\ 1:r3=0)