
PPC MP+sync+popa
"SyncdWW Rfe PodRRPA FreAP"
Cycle=Rfe PodRRPA FreAP SyncdWW
Prefetch=1:x=T
Com=Rf Fr
Orig=SyncdWW Rfe PodRRPA FreAP
{ ok=1;
0:r2=x; 0:r4=y;
1:r2=y; 1:r4=x; 1:r6=ok;
}
P0 | P1 ;
li r1,1 | lwz r1,0(r2) ;
stw r1,0(r2) | lwarx r3,r0,r4 ;
sync | stwcx. r3,r0,r4 ;
li r3,1 | bne Fail1 ;
stw r3,0(r4) | b Exit1 ;
| Fail1: ;
| li r5,0 ;
| stw r5,0(r6) ;
| Exit1: ;
exists
(ok=1 /\ 1:r1=1 /\ 1:r3=0)