PPC WRC+lwsyncpa+ctrlaa
"Rfe LwSyncdRWPA RfeAA DpCtrldRAA FreAP"
Cycle=RfeAA DpCtrldRAA FreAP Rfe LwSyncdRWPA
Prefetch=0:x=T,2:x=T
Com=Rf Rf Fr
Orig=Rfe LwSyncdRWPA RfeAA DpCtrldRAA FreAP
{ ok=1;
0:r2=x;
1:r2=x; 1:r4=y; 1:r6=ok;
2:r2=y; 2:r4=x; 2:r6=ok;
}
P0 | P1 | P2 ;
li r1,1 | lwz r1,0(r2) | lwarx r1,r0,r2 ;
stw r1,0(r2) | lwsync | stwcx. r1,r0,r2 ;
| li r3,1 | bne Fail2 ;
| lwarx %sta,r0,r4 | cmpw r1,r1 ;
| stwcx. r3,r0,r4 | beq LC00 ;
| bne Fail1 | LC00: ;
| b Exit1 | lwarx r3,r0,r4 ;
| Fail1: | stwcx. r3,r0,r4 ;
| li r5,0 | bne Fail2 ;
| stw r5,0(r6) | b Exit2 ;
| Exit1: | Fail2: ;
| | li r5,0 ;
| | stw r5,0(r6) ;
| | Exit2: ;
exists
(ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r3=0)