PPC WRW+WR+syncrp+lwsyncpa
"RfePR SyncdRWRP Wse LwSyncdWRPA FreAP"
Cycle=RfePR SyncdRWRP Wse LwSyncdWRPA FreAP
Prefetch=0:x=T,1:y=W,2:y=F,2:x=T
Com=Rf Ws Fr
Orig=RfePR SyncdRWRP Wse LwSyncdWRPA FreAP
{ ok=1;
0:r2=x;
1:r2=x; 1:r4=y;
2:r2=y; 2:r4=x; 2:r6=ok;
}
P0 | P1 | P2 ;
li r1,1 | lwarx r1,r0,r2 | li r1,2 ;
stw r1,0(r2) | sync | stw r1,0(r2) ;
| li r3,1 | lwsync ;
| stw r3,0(r4) | lwarx r3,r0,r4 ;
| | stwcx. r3,r0,r4 ;
| | bne Fail2 ;
| | b Exit2 ;
| | Fail2: ;
| | li r5,0 ;
| | stw r5,0(r6) ;
| | Exit2: ;
exists
(ok=1 /\ y=2 /\ 1:r1=1 /\ 2:r3=0)